A method of obtaining ethanol from a lignocellulosic biomass comprises delignification of a lignocellulosic biomass using a modified Caro's acid. Next a solid portion of the delignification reaction mixture is recovered wherein the solid portion comprises a substantially hemicellulose-free cellulosic component which includes at most, up to 15% w/w hemicellulose. Next, the recovered solid portion of the resulting reaction mixture is exposed to an enzyme mix comprising cellulase enzymes to create a saccharification system that breaks down the cellulose into a saccharified composition such as oligosaccharides. The saccharified composition is then fed to an organism, such as yeast, with the ability to ferment sugars into ethanol.
A method of obtaining ethanol from a lignocellulosic biomass where said method comprises the following steps: Step 1: delignification of a lignocellulosic biomass using a modified Caro's acid; Step 2: recovering a solid portion of the delignification reaction mixture, wherein said solid portion comprises a substantially hemicellulose-free cellulosic component which comprises at most, up to 15 % w/w hemicellulose; Step 3: exposing the recovered solid portion of the resulting reaction mixture to an enzyme mix comprising cellulase enzymes to create a saccharification system which breaks down the cellulose into a saccharified composition, e.g., oligosaccharides Step 4: feeding the saccharified composition to an organism, such as yeast, with the ability to ferment sugars into ethanol.
C12P 7/10 - Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
A method of obtaining ethanol from a lignocellulosic biomass where said method comprises the following steps: Step 1: delignification of a lignocellulosic biomass using a modified Caro's acid; Step 2: recovering the solid portion of the resulting reaction mixture, wherein said solid portion comprises cellulose fibers with, at most, 10 w/w % hemicellulose; Step 3: exposing the recovered solid portion of the resulting reaction mixture to an enzyme mix comprising cellulase enzymes to break down the cellulose into simple sugars, e.g., glucose; Step 4: Following enzymatic hydrolysis, the saccharified composition can be fed to an organism, such as yeast, with the ability to ferment sugars into ethanol.
C12P 7/10 - Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
C08B 1/00 - Preparatory treatment of cellulose for making derivatives thereof
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
A method of obtaining ethanol from a lignocellulosic biomass where said method comprises the following steps: Step 1: delignification of a lignocellulosic biomass using a modified Caro's acid; Step 2: recovering a solid portion of the delignification reaction mixture, wherein said solid portion comprises a substantially hemicellulose-free cellulosic component which comprises at most, up to 15 % w/w hemicellulose; Step 3: exposing the recovered solid portion of the resulting reaction mixture to an enzyme mix comprising cellulase enzymes to create a saccharification system which breaks down the cellulose into a saccharified composition, e.g., oligosaccharides Step 4: feeding the saccharified composition to an organism, such as yeast, with the ability to ferment sugars into ethanol.
A process to increase the amount of methane produced from a bio-digester comprises providing a digester to receive a feed and to capture a biogas composition resulting from bio-digestion. Organic material is added to the digester along with at least one inoculum capable of converting a portion of the organic material into methane under anaerobic conditions. A biomass is provided that is substantially free of lignin in an amount that ranges between 0.1 to 5% w/w of the total feed, the biomass further having another organic material. The biomass is added to the digester. Sufficient time is allowed for the digester to degrade the biomass and the organic material to yield a biogas composition that includes methane. Optionally, the biomass that is substantially free of lignin is added in an amount that ranges between 0.1 to 5% w/w of the total feed of the biomass having the other organic material.
Method for passivating a metallic surface, said method comprising: - providing said metallic surface; - exposing said metallic surface to a modified Caro's acid composition selected from the group consisting of: composition A; composition B and Composition C; wherein said composition A comprises: - sulfuric acid in an amount ranging from 20 to 70 wt% of the total weight of the composition; - a modifier component comprising an amine moiety and a sulfonic acid moiety selected from the group consisting of: taurine; taurine derivatives; and taurine- related compounds; and - a peroxide; wherein said composition B comprises: - an alkylsulfonic acid: and - a peroxide; wherein the acid is present in an amount ranging from 40 to 80 wt% of the total weight of the composition and where the peroxide is present in an amount ranging from 10 to 40 wt% of the total weight of the composition; wherein said composition C comprises: - sulfuric acid; - a two-part modifier component comprising: - a compound comprising an amine moiety; and - a compound comprising a sulfonic acid moiety; and - a peroxide; for a period of time sufficient to coat said metallic surface with a metal oxide film created by the exposure of said metallic surface to said modified Caro's acid composition.
C23C 22/02 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using non-aqueous solutions
C23C 22/06 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH < 6
A process to increase the amount of methane produced from a bio-digester, said method comprising the steps of: - providing a digester adapted to receive a feed and capture a biogas composition resulting from biodigestion; - adding to said digester at least one organic material and at least one inoculum capable of converting a portion of said at least one organic material into methane under anaerobic conditions; - providing a biomass which is substantially free of lignin in an amount that ranges between 0.1 to 5 % w/w of the total feed, comprising at least one other organic material; - adding said biomass to said digester; - allowing sufficient time for the digester to degrade at least a portion of said biomass and at least a portion of said organic material to yield a biogas composition comprising methane; - optionally, continuously adding said biomass which is substantially free of lignin in an amount that ranges between 0.1 to 5 % w/w of the total feed comprising at least one other organic material; - capturing said biogas composition; and - optionally, storing said biogas.
C02F 11/04 - Anaerobic treatment; Production of methane by such processes
C12M 1/107 - Apparatus for enzymology or microbiology with means for collecting fermentation gases, e.g. methane
C12N 1/00 - Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
8.
Optimization Of Chemical Consumption in Biomass Delignification
A process to perform a controlled exothermic delignification of biomass comprises providing a system having a first vessel and a second vessel, providing a biomass comprising lignin, hemicellulose and cellulose fibers placed into the first vessel, providing an aqueous acidic composition comprising a sulfuric acid component, providing a modifier component and providing a peroxide component. The biomass is exposed to the sulfuric acid component and peroxide component, thereby creating a reaction mass. The reaction mass is mixed and the sulfuric acid, modifier and peroxide components are allowed to come into contact with the biomass for a period of time sufficient for a delignification reaction to occur and to remove a predetermined amount of the lignin from the biomass. The predetermined amount is assessed by testing a first kappa number of the biomass. When the first kappa number of the biomass is reached, the biomass is transferred to the second vessel.
A process to perform a controlled exothermic delignification of biomass, said process comprising the steps of: - providing a system comprising at least a first vessel and a second vessel; - providing a biomass comprising lignin, hemicellulose and cellulose fibers into said first vessel; - providing a aqueous acidic composition comprising a sulfuric acid component; - providing a modifier component; - providing a peroxide component; - exposing said biomass to said sulfuric acid component and peroxide component, creating a reaction mass; - mixing said reaction mass; - allowing said sulfuric acid, modifier and peroxide components to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove a pre-determined amount of said lignin from said biomass; wherein said pre-determined amount is assessed by testing a first kappa number, with a suitable apparatus, of the biomass, when said first kappa number of said biomass is reached, the biomass is transferred to said second vessel.
Method for passivating a metallic surface, said method comprising: - providing said metallic surface; - exposing said metallic surface to a modified Caro's acid composition selected from the group consisting of: composition A; composition B and Composition C; wherein said composition A comprises: - sulfuric acid in an amount ranging from 20 to 70 wt% of the total weight of the composition; - a compound comprising an amine moiety and a sulfonic acid moiety selected from the group consisting of: taurine; taurine derivatives; and taurine- related compounds; and - a peroxide; wherein said composition B comprises: - an alkylsulfonic acid; and - a peroxide; wherein the acid is present in an amount ranging from 40 to 80 wt% of the total weight of the composition and where the peroxide is present in an amount ranging from 10 to 40 wt% of the total weight of the composition; wherein said composition C comprises: - sulfuric acid; - a compound comprising an amine moiety; - a compound comprising a sulfonic acid moiety; and - a peroxide; for a period of time sufficient to coat said metallic surface with a metal oxide film created by the exposure of said metallic surface to said modified Caro's acid composition.
C23C 22/02 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using non-aqueous solutions
A process to make biogas, said process comprising the steps of: - providing a digester which comprises at least one organic material and at least one inoculum capable of converting a portion of said at least one organic material into methane under anaerobic conditions; - providing a biomass which is substantially free of lignin; - adding said biomass to said digester; - allowing sufficient time for the digester to degrade at least a portion of said biomass and at least a portion of said organic material to yield a biogas composition comprising methane; - capturing said biogas composition; and - storing said biogas.
C02F 11/04 - Anaerobic treatment; Production of methane by such processes
C12M 1/00 - Apparatus for enzymology or microbiology
C12M 1/107 - Apparatus for enzymology or microbiology with means for collecting fermentation gases, e.g. methane
C12N 1/00 - Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
12.
OPTIMIZATION OF CHEMICAL CONSUMPTION IN BIOMASS DELIGNIFICATION
A process to perform a controlled exothermic delignification of biomass, said process comprising the steps of: - providing a system comprising at least a first vessel and a second vessel; - providing biomass comprising lignin, hemicellulose and cellulose fibers into said first vessel; - providing a aqueous acidic composition comprising a sulfuric acid component; - providing a peroxide component; - exposing said biomass to said sulfuric acid component and peroxide component, creating a reaction mass; - mixing said reaction mass; - allowing said sulfuric acid component and peroxide component to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove a pre- determined amount of said lignin from said biomass; wherein said pre-determined amount is assessed by testing a first kappa number, with a suitable apparatus, of the biomass, when said first kappa number of said biomass is reached, the biomass is transferred to said second vessel.
A process to perform a controHed exothermic delignification of biomass, said process comprising the steps of: - providing a system comprising at least a first vessel and a second vessel; - providing a biomass comprising lignin, hernicellulose and cellulose fibers into said first vessel; - providing a aqueous acidic composition cornprising a sulfuric acid component: - providing a modifier component; - providing a peroxide component; - exposing said biomass to said sulfuric acid component and peroxide component, creating a reaction mass; - mixing said reaction mass; - allowing said sulfuric acid, modifier and peroxide components to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove a pre- determined amount of said lignin from said biornass; wherein said pre-determined amount is assessed by testing a first kappa number, with a suitable apparatus, of the biomass, when said first kappa number of said biomass is reached, the biomass is transferred to said second vessel.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
A process to increase the arnount of methane produced front a bio-digester, said method cornprising the steps of: - providing a digester adapted to receive a feed and capture a biogas cornposition resulting frorn biodigcstion; - adding to said digester at least one organic material and at least one inoculum capable of converting a portion of said at least one organic material into methane under anaerobic conditions; - providing a biomass which is substantially free of lignin in an amount that ranges between 0.1 to 5 % wfw of the total =feed, cornprising at least one other organic material; - adding said biomass to said digester; - allowing sufficient time for the digester to degrade at least a portion of said biomass and at least a portion of said organic material to yield a biogas composition comprising rnethane; - optionally, continuously adding said biomass which is substantially free of lignin in an aniount that ranges between 0.1 to 5 % wiw of the total feed comprising at least one other organic material; - capturing said biogas composition; and - optionally, storing said biogas.
A modified aqueous acid composition comprising: sulfuric acid; a compound comprising an amine moiety and a sulfonic acid moiety; and a peroxide; wherein sulfuric acid, said compound comprising an amine moiety and a sulfonic acid moiety and said peroxide are present in a molar ratio of no less than 1:1:1. Also disclosed are methods of using such compositions.
244; o at least one compound selected from the group consisting of: urea; lysine; glycine; histidine; arginine; creatine; biuret alkyl urea; alkylsulfonic acid; spraying the modified aqueous acid composition onto said fresh cut hay, thereby yielding an acid-soaked hay; placing an air impermeable barrier between the acid-soaked hay and the surrounding air in to minimize presence (or leakage) of oxygen in the acid-soaked hay; optionally, adding a natural compound so as to increase the pH of the composition prior to being used as animal feed; and allowing fermentation of the acid-soaked hay.
A23K 30/15 - Processes specially adapted for preservation of materials in order to produce animal feeding-stuffs of green fodder using chemicals or microorganisms for ensilaging
A23K 10/30 - Animal feeding-stuffs from material of fungal origin, e.g. mushrooms
An aqueous composition comprising: sulfuric acid; a compound comprising an amine moiety; a compound comprising a sulfonic acid moiety; and a peroxide. Said composition being capable of delignifying biomass.
C07C 309/04 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing only one sulfo group
C07C 215/08 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic with only one hydroxy group and one amino group bound to the carbon skeleton
C07G 1/00 - Low-molecular-weight derivatives of lignin
C07C 215/10 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic with one amino group and at least two hydroxy groups bound to the carbon skeleton
D21C 3/04 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides
Method to produce biofuel using a lignin-rich feedstock, said method comprise; - providing a lignin-rich feedstock, wherein said lignin-rich feedstock comprises more than 60 wt% of lignin-based compounds obtained from delignification of biomass, where said lignin-based compounds are selected from the group consisting of: lignin-derived monomers, lignin-derived dimers, lignin-derived oligomers and combinations thereof; - performing a hydrodeoxygenation reaction on said lignin-rich feedstock, wherein the hydrodeoxygenation reaction is carried out in a hydrogen-rich source at a temperature ranging from 300oC to 400oC under a H2 pressure ranging from 15 to 75 bar, more preferably 35 bar, in the presence of a catalyst adapted for HDO reactions, for a period of time sufficient to result in an upgraded oil having a total acid number (TAN) of about 10-35 mg KOH/g and viscosity of 4-30 cP.
C10G 1/06 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation
Method to produce biofuel using a lignin-rich feedstock, said method comprise; - providing a lignin-rich feedstock, wherein said lignin-rich feedstock comprises more than 60 wt% of lignin-based compounds obtained from delignification of biomass, where said lignin-based compounds are selected from the group consisting of: lignin-derived monomers, lignin-derived dimers, lignin-derived oligomers and combinations thereof; - performing a hydrodeoxygenation reaction on said lignin-rich feedstock, wherein the hydrodeoxygenation reaction is carried out in a hydrogen-rich source at a temperature ranging from 300 C to 400 C under a H2 pressure ranging from 15 to 50 bar, more preferably 35 bar, in the presence of a catalyst adapted for HDO reactions, for a period of time sufficient to result in an upgraded oil having a TAN of about 2.5 mg KOH/g and viscosity of 3.4 cP.
C10G 1/06 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation
A process to prepare an aqueous fertilizer with a high nitrogen content, said process comprising the steps of: - providing a solid material having a high nitrogen content; - providing a live yeast in solution adapted to enzymatically removing nitrogen-containing compounds from said solid; - exposing said solid to said yeast in an aqueous environment, thereby creating a metabolically active culture mixture; - incubating said metabolically active culture; - injecting air in to the metabolically active mixture during said incubating step so as to inhibit the production of ethanol; wherein said metabolically active mixture undergoes said incubating step for a period of time sufficient to result in a nitrogen-fed yeast mixture; - hydrolyzing (by autolysis) the resulting nitrogen-fed yeast mixture for a period of time sufficient to remove nitrogen from said yeast, where the nitrogen removed from said yeast is present in the mixture as dissolved nitrogen.
C05F 17/20 - Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
C12P 1/02 - Preparation of compounds or compositions, not provided for in groups , by using microorganisms or enzymes; General processes for the preparation of compounds or compositions by using microorganisms or enzymes by using fungi
A process to make a nitrogen-enhanced yeast-based fertilizer, said process comprising the steps of: - providing a live yeast (BSY) in solution; - exposing said live yeast to a nitrogen-containing compound to a carbohydrate and an enriched nitrogen source such as an amino acid, a protein or the like thereby creating an incubation mixture; - injecting air in to the incubation mixture so as to inhibit the production of ethanol; wherein said incubation mixture undergoes incubation for a period of time sufficient for said yeast to metabolize said nitrogen source and for said yeast to propagate and store the supplied nitrogen source in their vacuoles resulting in a nitrogen-fed yeast mixture; - hydrolyzing (or autolyzing) the resulting nitrogen-fed yeast mixture under specific conditions; and - optionally followed by a dehydration or evaporation step, to meet pre-determined specifications.
C05F 17/20 - Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
A process to prepare an aqueous fertilizer with a high nitrogen content, said process comprising the steps of: - providing a solid material having a high nitrogen content; - providing a live yeast in solution adapted to enzymatically removing nitrogen-containing compounds from said solid; - exposing said solid to said yeast in an aqueous environment, thereby creating a metabolically active culture mixture; - incubating said metabolically active culture; - injecting air in to the metabolically active mixture during said incubating step so as to inhibit the production of ethanol; wherein said metabolically active mixture undergoes said incubating step for a period of time sufficient to result in a nitrogen-fed yeast mixture; - hydrolyzing (by autolysis) the resulting nitrogen-fed yeast mixture for a period of time sufficient to remove nitrogen from said yeast, where the nitrogen removed from said yeast is present in the mixture as dissolved nitrogen.
C05F 17/20 - Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
C12P 1/02 - Preparation of compounds or compositions, not provided for in groups , by using microorganisms or enzymes; General processes for the preparation of compounds or compositions by using microorganisms or enzymes by using fungi
A process to make a nitrogen-enhanced yeast-based fertilizer, said process comprising the steps of: - providing a live yeast (BSY) in solution; - exposing said live yeast to a nitrogen-containing compound to a carbohydrate and an enriched nitrogen source such as an amino acid, a protein or the like thereby creating an incubation mixture; - injecting air in to the incubation mixture so as to inhibit the production of ethanol; wherein said incubation mixture undergoes incubation for a period of time sufficient for said yeast to metabolize said nitrogen source and for said yeast to propagate and store the supplied nitrogen source in their vacuoles resulting in a nitrogen-fed yeast mixture ; - hydrolyzing (or autolyzing) the resulting nitrogen-fed yeast mixture under specific conditions; and - optionally followed by a dehydration or evaporation step, to meet pre-determined specifications.
C05F 17/20 - Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
A process to hydrolyze cellulose into cellobiose comprising the following steps: - providing a reaction vessel; - providing a Cellulomonas uda (ATCC 491) inoculum; - exposing said Cellulomonas uda (ATCC 491) bacterium to a source of cellulose having a kappa number of less thanin an aqueous medium of pH of about 8 at a temperature ranging from 30 °C to 35 °C for a period of time ranging from 14 to 42 days; - exposing the cellobiose to a bacterium or fungi or yeast, or combination which converts cellobiose to glucose or ethanol.
C08B 1/00 - Preparatory treatment of cellulose for making derivatives thereof
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
A process to hydrolyze cellulose into cellobiose comprising the following steps:
providing a reaction vessel;
providing a Cellulomonas uda (ATCC 491) inoculum;
exposing said Cellulomonas uda (ATCC 491) bacterium to a source of cellulose having a kappa number of less than 10 in an aqueous medium of pH of about 8 at a temperature ranging from 30° C. to 35° C. for a period of time ranging from 14 to 42 days;
exposing the cellobiose to a bacterium or fungi or yeast, or combination which converts cellobiose to glucose or ethanol.
A process to hydrolyze cellulose into cellobiose comprising the following steps: - providing a reaction vessel; - providing a Cellulomonas uda (ATCC 491) inoculum; - exposing said Cellulomonas uda (ATCC 491) bacterium to a source of cellulose having a kappa number of less than 10 in an aqueous medium of pH of about 8 at a temperature ranging from 30 C to 35 C for a period of time ranging from 14 to 42 days; - exposing the cellobiose to a bacterium or fungi or yeast, or combination which converts cellobiose to glucose or ethanol.
A process to hydrolyze cellulose into cellobiose comprising the following steps: - providing a reaction vessel; - providing a Cellulomonas uda (ATCC 491) inoculum; - exposing said Cellulomonas uda (ATCC 491) bacterium to a source of cellulose having a kappa number of less than 10 in an aqueous medium of pH of about 8 at a temperature ranging from 30 C to 35 C for a period of time ranging from 14 to 42 days; - exposing the cellobiose to a bacterium or fungi or yeast, or combination which converts cellobiose to glucose or ethanol.
Method to produce biofuel using a lignin-rich feedstock, said method comprise; - providing a lignin-rich feedstock, wherein said lignin-rich feedstock comprises more than 60 wt% of lignin-based compounds obtained from delignification of biomass, where said lignin-based compounds are selected from the group consisting of: lignin-derived monomers, lignin-derived dimers, lignin-derived oligomers and combinations thereof; - performing a hydrodeoxygenation reaction on said lignin-rich feedstock, wherein the hydrodeoxygenation reaction is carried out in a hydrogen-rich source at a temperature ranging from 300 C to 400 C under a H2 pressure ranging from 15 to 75 bar, more preferably 35 bar, in the presence of a catalyst adapted for HDO reactions, for a period of time sufficient to result in an upgraded oil having a total acid number (TAN) of about 10-35 mg KOH/g and viscosity of 4-30 cP.
C10G 1/06 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation
01 - Chemical and biological materials for industrial, scientific and agricultural use
04 - Industrial oils and greases; lubricants; fuels
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Industrial chemicals, namely, chemical additives for fuel,
chemical additives for lubricants, chemicals for use in the
manufacture of solvents, chemical additives for use in
enzyme stabilization, and surfactants and dispersants for
use in managing oil spills and for adjusting oil viscosity. Biofuels; biomass fuel. Biomass conversion services; generation of electricity from
solar energy; production of wind energy; providing technical
information in the field of power generation; technical
consultancy in the field of production of solar energy. Research and development in the field of energy transfer
performance; research and development in the field of
hydroelectric energy; research and development in the field
of solar thermal energy; research and development in the
field of wind energy; research and development of technology
in the field of electric vehicle energy storage and
distribution; research and development of technology in the
field of power conversion.
01 - Chemical and biological materials for industrial, scientific and agricultural use
04 - Industrial oils and greases; lubricants; fuels
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Industrial chemicals, namely, chemical additives for fuel, chemical additives for lubricants, chemicals for use in the manufacture of solvents, chemical additives for use in enzyme stabilization, and surfactants and dispersants for use in managing oil spills and for adjusting oil viscosity Biofuels; biomass fuel Biomass conversion services in the nature of biomass conversion to fuels, materials and chemicals; providing technical information in the field of delignification of lignocellulosic biomass Research and development in the field of energy transfer performance; research and development in the field of hydroelectric energy; research and development in the field of solar thermal energy; research and development in the field of wind energy; research and development of technology in the field of electric vehicle energy storage and distribution; research and development of technology in the field of power conversion
01 - Chemical and biological materials for industrial, scientific and agricultural use
04 - Industrial oils and greases; lubricants; fuels
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Industrial chemicals, namely, chemical additives for fuel, chemical additives for lubricants, chemicals for use in the manufacture of solvents, chemical additives for use in enzyme stabilization, and surfactants and dispersants for use in managing oil spills and for adjusting oil viscosity
(2) Biofuels; Biomass fuel (1) Biomass gasification services; Generation of electricity from solar energy; Production of wind energy; Providing technical information in the field of power generation; Technical consultancy in the field of production of solar energy
(2) Research and development in the field of energy transfer performance; Research and development in the field of hydroelectric energy; Research and development in the field of solar thermal energy; Research and development in the field of wind energy; Research and development of technology in the field of electric vehicle energy storage and distribution; Research and development of technology in the field of power conversion
Method of recycling an expired hand sanitizer product containing ethanol in an amount ranging from 60 to 85 wt%, wherein said method comprises the steps of: - providing said hand sanitizer product; - combining said hand sanitizer product with an anionic surfactant; - adding a nonionic surfactant to the resulting mixture; - adding citral to the mixture containing said hand sanitizer, nonionic surfactant and said anionic surfactant to create a stable microemulsion; wherein said stable microemulsion can be further diluted with an acidic composition to be used in industrial applications comprising: - flowback aids for hydraulic fracturing in tight reservoirs and unconventional shale reservoirs; - naphthenate deposition control using acids/alcohols mixtures; - water-in-oil demulsifier using ethanol for bitumen emulsions from oilsand.
C09K 8/00 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
C09K 8/52 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
C11D 1/83 - Mixtures of non-ionic with anionic compounds
A process to delignify biomass, said process comprising the steps of:
providing a vessel;
providing biomass comprising lignin, hemicellulose and cellulose fibers into said vessel;
providing a aqueous acidic composition comprising a sulfuric acid component;
providing a peroxide component;
exposing said biomass to said sulfuric acid component and peroxide component, creating a reaction mass;
allowing said sulfuric acid component and peroxide component to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove over 90 wt % of said lignin and hemicellulose from said biomass; and
controlling the temperature of the delignification reaction to maintain it below 55° C.
A process to delignify biomass, said process comprising the steps of: providing a vessel; providing biomass comprising lignin, hemicellulose and cellulose fibers into said vessel; providing a aqueous acidic composition comprising a sulfuric acid component; providing a peroxide component; exposing said biomass to said sulfuric acid component and peroxide component, creating a reaction mass; allowing said sulfuric acid component and peroxide component to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove over 90 wt% of said lignin and hemicellulose from said biomass; and controlling the temperature of the delignification reaction to mmaintain it below 55°C.
A process to perform a controlled exothermic delignification of biomass, said process comprising the steps of: - providing a vessel; - providing biomass comprising lignin and cellulose fibers into said vessel; - providing a sulfuric acid component; - providing a peroxide component; - exposing said biomass to said sulfuric acid source and peroxide component, creating a reaction mass ; - allowing said sulfuric acid source and peroxide component to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove over 90 wt% of said lignin from said biomass.
A process to delignify biomass, said process comprising the steps of: - providing a vessel; - providing biomass comprising lignin, hemicellulose and cellulose fibers into said vessel; - providing a aqueous acidic composition comprising a sulfuric acid component; - providing a peroxide component; - exposing said biomass to said sulfuric acid component and peroxide component, creating a reaction mass; - allowing said sulfuric acid component and peroxide component to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove over 90 wt% of said lignin and hemicellulose from said biomass; and - controlling the temperature of the delignification reaction to mmaintain it below 55 C.
C08J 11/16 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
C08J 11/28 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
D21C 3/04 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides
A process to delignify biomass, said process comprising the steps of: - providing a vessel; - providing biornass cornprising lignin, hernicellulose and cellulose fibers into said vessel; - providing a aqueous acidic cornposition comprising a sulfuric acid component; - providing a peroxide component; - exposing said biomass to said sulfuric acid component and peroxide component, creating a reaction mass; allowing said sulfuric acid component and peroxide component to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove over 90 wt% of said lignin and hemicellulose from said biomass; and controlling the temperature of the delignification reaction to mmaintain it below 55 C.
A process to delignify biomass, said process comprising the steps of: - providing a vessel; - providing biornass cornprising lignin, hernicellulose and cellulose fibers into said vessel; - providing a aqueous acidic cornposition comprising a sulfuric acid component; - providing a peroxide component; - exposing said biomass to said sulfuric acid component and peroxide component, creating a reaction mass; allowing said sulfuric acid component and peroxide component to come into contact with said biomass for a period of time sufficient to a delignification reaction to occur and remove over 90 wt% of said lignin and hemicellulose from said biomass; and controlling the temperature of the delignification reaction to mmaintain it below 55 C.
A method to perform fish silage wherein a low fuming acid composition is used, said method comprises the steps of: providing fish waste; providing a container adapted to receive said fish waste; providing a modified aqueous acid composition comprising: an acid selected from the group consisting of: hydrochloric acid and sulfuric acid, and combinations thereof; and at least one acid-modifying compound; such that the modified acid composition has a pH ranging from 0 to 5, mixing the fish waste with the modified aqueous acid composition together in said container; allowing the modified aqueous acidic composition to be in contact with the fish waste for a period of time sufficient to convert the fish waste into animal feed, wherein the pH of the composition comprising the modified aqueous acid and the fish waste ranges from 2 to 4 preferably from 2 to 4, more preferably from 2.5 to 3.5; optionally, adding an amine-containing compound to the silage composition so as to increase the pH of the composition prior to being used as animal feed.
An aqueous composition comprising: sulfuric acid; a heterocyclic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
An aqueous composition comprising: sulfuric acid; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; a substituted aromatic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
D21C 3/06 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides bisulfites
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
An aqueous composition comprising: sulfuric acid; a modifying agent comprising an amine group; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
An aqueous composition comprising: sulfuric acid; a modifying agent comprising an arylsulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which krafit pulping takes place.
An aqueous composition comprising: sulfuric acid; a heterocyclic amine compound (e.g. imidazole and 1- methylimidazole); an alkane sulfonic acid (e.g. methanesulfonic acid); and a peroxide (e.g. hydrogen peroxide). Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place with minimal carbonation and high cellulose recovery.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
An aqueous composition comprising: sulfuric acid; a modifying agent comprising a carbonyl-containing nitrogenous base compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which krafit pulping takes place.
An aqueous composition comprising: sulfuric acid; a modifying agent comprising an arylsulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; a heterocyclic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
An aqueous composition comprising: sulfuric acid; a heterocyclic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
An aqueous composition comprising: sulfuric acid; a compound containing an amine group; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
An aqueous composition comprising: sulfuric acid; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; an arylsulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; a heterocyclic compound; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
An aqueous composition comprising: sulfuric acid; a carbonyl-containing nitrogenous base compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
An aqueous composition comprising: sulfuric acid; a modifying agent comprising an amine group; and a peroxide. The amine group can include triethanolamine, diethanolamine, monoethanolamine, pyrrolidine, ethylenediamine, diethylamine, triethylamine, DIPEA, cyclohexylamine, piperidine, morpholine, DBU, benzylamine, and combinations thereof. The composition is capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place. The composition can be used in processing and depolymerization of cellulose from a plant source.
An aqueous composition comprising: sulfuric acid; a heterocyclic compound; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; a modifying agent comprising a carbonyl-containing nitrogenous base compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; a modifying agent comprising a carbonyl- containing nitrogenous base compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
An aqueous composition comprising: sulfuric acid; a modifying agent comprising an amine group; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; a substituted aromatic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
D21C 3/06 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides bisulfites
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
An aqueous composition comprising: sulfuric acid; a heterocyclic compound; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
An aqueous composition comprising: sulfuric acid; a substituted aromatic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
An aqueous composition comprising: sulfuric acid; a heterocyclic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; a substituted aromatic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
An aqueous composition comprising: sulfuric acid; a modifying agent comprising an arylsulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
Method of delignification of plant material, said method comprising:
providing said plant material comprising cellulose fibres and lignin;
exposing said plant material requiring to a composition comprising:
an acid;
a modifying agent selected from the group consisting of: sulfamic acid; imidazole; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; aryl sulfonic acid; triethanolamine; and combinations thereof;
a metal salt; and
a peroxide;
for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material.
Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising: an acid; a modifying agent selected from the group consisting of: sulfamic acid; imidazole; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; aryl sulfonic acid; triethanolamine; and combinations thereof; a metal salt; and a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
A process to separate lignin from a lignocellulosic feedstock, said process comprising the steps of: - providing said lignocellulosic feedstock; - providing a composition comprising; - an acid; - a modifying agent selected from the group consisting of: sulfamic acid; imidazole; imidazole derivatives; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; - a peroxide salt; and - a peroxide; - exposing said lignocellulosic feedstock to said composition for a period of time sufficient to depolymerize substantially all of the lignin present in said lignocellulosic feedstock into lignin oligomers and lignin monomers; wherein said process is carried out at atmospheric pressure.
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
A process to separate lignin from a lignocellulosic feedstock, said process comprising the steps of: - providing said lignocellulosic feedstock; - providing a composition comprising; - an acid; - a modifying agent selected from the group consisting of: sulfamic acid; imidazole; imidazole derivatives; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; - a peroxide salt; and - a peroxide; - exposing said lignocellulosic feedstock to said composition for a period of time sufficient to depolymerize substantially all of the lignin present in said lignocellulosic feedstock into lignin oligomers and lignin monomers; wherein said process is carried out at atmospheric pressure.
Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising: an acid; a modifying agent selected from the group consisting of: sulfamic acid; imidazole; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; aryl sulfonic acid; triethanolamine; and combinations thereof; a metal salt; and a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material.
A process to separate lignin from a lignocellulosic feedstock, said process comprising the steps of: - providing said lignocellulosic feedstock; - providing a composition comprising; - an acid; - a modifying agent selected from the group consisting of: sulfamic acid; imidazole; imidazole derivaties; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; - a peroxide salt; and - a peroxide; - exposing said lignocellulosic feedstock to said composition for a period of time sufficient to depolymerize substantially all of the lignin present in said lignocellulosic feedstock into lignin oligomers and lignin monomers; wherein said process is carried out at atmospheric pressure.
C07G 1/00 - Low-molecular-weight derivatives of lignin
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
Method of delignification of plant material, said method comprising: - providing said plant material comprising cellulose fibres and lignin; - exposing said plant material requiring to a composition comprising: - an acid; - a modifying agent selected from the group consisting of: sulfamic acid; imidazole; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; aryl sulfonic acid; triethanolamine; and combinations thereof; - a metal salt; and - a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material.
Method for controlled delignification of lignocellulosic feedstock, said method comprising the steps of: providing a reactive phase of pH less than 1, said reactive phase comprising: o water; o sulfuric acid; o a source of peroxide; o a modifying agent, said modifying agent adapted to control the reactivity of the sulfuric acid; providing a holding phase, said holding phase comprising an organic solvent which does not react with the aqueous acidic composition; combining said reactive phase and holding phase to form a reaction mixture; exposing a lignocellulosic material to said reaction mixture for a period of time sufficient to allow delignification of the lignocellulosic material.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
Method of delignification of plant material, said method comprising providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising an acid; a modifiying agent selected from the group consisting of: sulfamic acid; imidazole; N -alkylimidazole; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; a metal oxide; and a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
Method of delignification of plant material, said method comprising:
providing said plant material comprising cellulose fibres and lignin;
exposing said plant material requiring to a composition comprising:
an acid;
a modifying agent selected from the group consisting of: sulfamic acid; imidazole; N-alkylimidazole derivative; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof;
a metal oxide; and
a peroxide;
adding an organic solvent to the resulting mixture;
allowing a delignification reaction to occur for a period of time sufficient to remove at least 80% of the lignin present on said plant material.
Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising: an acid; a modifiying agent selected from the group consisting of: sulfamic acid; imidazole; N-alkylimidazole derivative; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; a metal oxide; and a peroxide; adding an organic solvent to the resulting mixture; allowing a delignification reaction to occur for a period of time sufficient to remove at least 80% of the lignin present on said plant material.
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
Method of delignification of plant material, said method comprising: - providing said plant material comprising cellulose fibres and lignin; - exposing said plant material requiring to a composition comprising: - an acid; - a modifiying agent selected from the group consisting of: sulfamic acid; imidazole; N-alkylimidazole; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; - a metal oxide; and - a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material.
Method of delignification of plant material, said method comprising: - providing said plant material comprising cellulose fibres and lignin; - exposing said plant material requiring to a composition comprising: - an acid; - a modifiying agent selected from the group consisting of: sulfamic acid; imidazole; N- alkylimidazole derivative; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; - a metal oxide; and - a peroxide; - adding an organic solvent to the resulting mixture; - allowing a delignification reaction to occur for a period of time sufficient to remove at least 80% of the lignin present on said plant material.
Method for controlled delignification of lignocellulosic feedstock, said method comprising the steps of: - providing a reactive phase of pH less than 1, said reactive phase comprising: o water; o sulfuric acid; o a source of peroxide; o a modifying agent, said modifying agent adapted to control the reactivity of the sulfuric acid; - providing a holding phase, said holding phase comprising an organic solvent which does not react with the aqueous acidic composition; - combining said reactive phase and holding phase to form a reaction mixture; - exposing a lignocellulosic material to said reaction mixture for a period of time sufficient to allow delignification of the lignocellulosic material.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
88.
USE OF A 2 LIQUID PHASE SYSTEM IN BIOMASS DELIGNIFICATION
Method for controlled delignification of lignocellulosic feedstock, said method comprising the steps of: - providing a reactive phase of pH less than 1, said reactive phase comprising: o water; o sulfffic acid; o a source of peroxide; o a modifying agent, said modifying agent adapted to control the reactivity of the sulfffic acid; - providing a holding phase, said holding phase comprising an organic solvent which does not react with the aqueous acidic composition; - combining said reactive phase and holding phase to form a reaction mixture; - exposing a lignocellulosic material to said reaction mixture for a period of time sufficient to allow delignification of the lignocellulosic material.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
Method of delignification of plant material, said method comprising: - providing said plant material comprising cellulose fibres and lignin; - exposing said plant material requiring to a composition comprising: - an acid; - a modifiying agent selected from the group consisting of: sulfamic acid; imidazole; N-alkylimidazole; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; - a metal oxide; and - a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material.
Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising: - an acid; - a capping agent; and - a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material. Also disclosed are compositions to accomplish such delignification and processes using such.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising:
an acid;
a capping agent; and
a peroxide;
for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material. Also disclosed are compositions to accomplish such delignification and processes using such.
Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising: - an acid; - a capping agent; and - a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material. Also disclosed are compositions to accomplish such delignification.
C08J 11/10 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
C08H 8/00 - Macromolecular compounds derived from lignocellulosic materials
Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibres and lignin; exposing said plant material requiring to a composition comprising: - an acid; - a capping agent; and - a peroxide; for a period of time sufficient to remove substantially all (at least 80%) of the lignin present on said plant material. Also disclosed are compositions to accomplish such delignification and processes using such.
A modified aqueous acid composition comprising: sulfuric acid; a compound comprising an amine moiety and a sulfonic acid moiety; and a peroxide; wherein sulfuric acid, said compound comprising an amine moiety and a sulfonic acid moiety and said peroxide are present in a molar ratio of no less than 1:1:1. Also disclosed are methods of using such compositions.
An aqueous composition comprising: sulfuric acid; a compound comprising an amine moiety; a compound comprising a sulfonic acid moiety; and a peroxide. Said composition being capable of delignifying biomass.
C07C 309/04 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing only one sulfo group
C07C 215/08 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic with only one hydroxy group and one amino group bound to the carbon skeleton
C07G 1/00 - Low-molecular-weight derivatives of lignin
C07C 215/10 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic with one amino group and at least two hydroxy groups bound to the carbon skeleton
D21C 3/04 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides
An aqueous acid composition comprising sulfuric acid, a compound comprising an amine moiety and a sulfonic acid moiety and optionally a peroxide. The use of the composition in treating biomass is also disclosed.
