[Problem] To provide an estimation system, an estimation device, an estimation method, and an estimation program which make it possible to accurately measure at least one of moisture content and chemical content in a substance which is an ironmaking raw material and/or a power generation raw material, regardless of measurement distance or weather conditions. [Solution] An aspect of the present invention provides an estimation device which estimates the moisture content in a substance which is an ironmaking raw material and/or a power generation fuel. This estimation device comprises a moisture content model information acquisition unit, a moisture content index information acquisition unit, and a moisture content estimation unit. The moisture content model information acquisition unit is configured to acquire moisture content model information indicating a relationship between the moisture content in the substance and a moisture content index of the substance which is calculated as a function of the difference between two optical properties with respect to light of two differing wavelengths in the wavelength range of 800-2400 nm. The moisture content index information acquisition unit is configured to acquire moisture content index information indicating the moisture content index of the substance which is subject to estimation. The moisture content estimation unit is configured to estimate the moisture content of the substance which is subject to estimation, on the basis of the moisture content model information and the moisture content index information.
G01N 21/3554 - Couleur; Propriétés spectrales, c. à d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p.ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge pour la détermination de la teneur en eau
G01N 21/27 - Couleur; Propriétés spectrales, c. à d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en utilisant la détection photo-électrique
2.
METHOD FOR SUPPRESSING CORROSION FATIGUE OF BOILER EVAPORATION TUBE
This invention effectively suppresses the corrosion fatigue of a boiler evaporation tube that is associated with repeated stress attributed to the presence of a corrosive environment and scales. This method for suppressing corrosion fatigue of a boiler evaporation tube includes maintaining the dissolved oxygen concentration of the boiler water at 1.0 mg/L or less. Preferably deionized water is used for the boiler water and a scale dispersant is present in the boiler water.
C02F 5/00 - Adoucissement de l'eau; Prévention de l'entartrage; Addition à l'eau d'agents antitartre ou détartrants, p.ex. addition d'agents séquestrants
C02F 5/10 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p.ex. par addition d'agents séquestrants en utilisant des substances organiques
F22B 37/00 - MÉTHODES DE PRODUCTION DE VAPEUR; CHAUDIÈRES À VAPEUR - Détails ou parties constitutives des chaudières à vapeur
3.
METHOD FOR REDUCING CORROSION FATIGUE OF EVAPORATING TUBE IN BOILER
The purpose of the present invention is to effectively reduce the corrosion fatigue of an evaporating tube in a boiler which occurs in association with a corrosive environment or repeated application of stress due to the presence of scales. A method for reducing the corrosion fatigue of an evaporating tube in a boiler, in which each of the concentration of chloride ions and the concentration of sulfate ions in the boiler water is managed at 10 mg/L or less. It is preferred to manage each of the concentration of chloride ions and the concentration of sulfate ions in boiler water by subjecting boiler feed water to a desalination treatment with an ion exchange device, a reverse osmosis membrane device or an electrodeionization device or by increasing the collection rate of boiler condensed water.
F22B 37/00 - MÉTHODES DE PRODUCTION DE VAPEUR; CHAUDIÈRES À VAPEUR - Détails ou parties constitutives des chaudières à vapeur
C02F 1/42 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par échange d'ions
C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p.ex. par électro-osmose, électrodialyse, électrophorèse
C02F 5/00 - Adoucissement de l'eau; Prévention de l'entartrage; Addition à l'eau d'agents antitartre ou détartrants, p.ex. addition d'agents séquestrants
C02F 5/10 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p.ex. par addition d'agents séquestrants en utilisant des substances organiques
C02F 5/14 - Traitement de l'eau avec des produits chimiques complexants ou des agents solubilisants pour l'adoucissement, la prévention ou l'élimination de l'entartrage, p.ex. par addition d'agents séquestrants en utilisant des substances organiques contenant du phosphore
C23F 14/02 - Prévention de l'entartrage ou des incrustations dans les appareils destinés à chauffer des liquides à des fins physiques ou chimiques par des moyens chimiques
F22B 37/56 - Dispositifs de commande du nettoyage des chaudières, p.ex. pour assurer une durée convenable de la purge de la chaudière
4.
METHOD FOR REDUCING OR PREVENTING CORROSION OR FOULING CAUSED BY ACIDIC COMPOUNDS
A method for reducing or preventing corrosion or fouling in an apparatus for carrying out a chemical process, where corrosion or fouling is caused by acidic compounds present in the chemical process, which comprises the addition of at least one quaternary ammonium hydroxide of the formula (I) to the apparatus, wherein the chemical process is carried out: [Chem. 1] where R1, R2, R3 are each independently C1-C10 alkyl; R4 is inter alia C1-C18 alkyl, benzyl, monocycloalkyl having 5, 6, 7 or 8 carbon atoms, bicycloalkyl having 6 to 8 carbon atoms, tricycloalkyl having 7 to 10 carbon atoms, where monocycloalkyl, bicycloalkyl and tricycloalkyl are unsbustituted or substituted by 1 or 2 methyl groups, or tri-C1-C4 alkyl ammonium groups. R1 and R2 together with the nitrogen atom may also form a 5 or 6-membered, saturated nitrogen heterocycle, which is unsubstituted or carries 1 or 2 methyl groups; and/or R3 and R4 together with the nitrogen atom may also form a 5 or 6-membered, saturated nitrogen heterocycle, which is unsubstituted or carries 1 or 2 methyl groups.
C10G 7/10 - Moyens pour empêcher la corrosion pendant la distillation
C10G 75/02 - Inhibition de la corrosion ou des salissures dans des appareils de traitement ou de conversion des huiles d'hydrocarbures, en général par addition d'inhibiteurs de corrosion
Provided are a distillation tower management system, a distillation tower state analysis method, and a distillation tower management method, which enable prediction of an abnormality in a distillation tower before it becomes apparent and enable a preventive measure to be taken. This distillation tower management system is provided with: at least one measurement unit 10 selected from the group consisting of a pressure measurement unit 11, a temperature measurement unit 12, and a chlorine measurement unit 13; an operation data unit 20 that generates operation data including measurement data measured by the measurement unit 10; an analysis unit 30 that analyzes the state of a distillation tower 103 from the operation data and generates analysis data regarding the state of the distillation tower 103; and a control unit 40 that generates, on the basis of the analysis data, control data regarding a differential pressure eliminator added to the distillation tower 103.
Provided is a pressure difference eliminating method for eliminating, during operation, pressure loss (pressure difference) which occurs due to salts attributed to and caused by impurities in a raw material in distillation equipment, without adversely affecting the quality and production efficiency of a product. This method is for eliminating the occurrence of pressure difference attributed to deposition of salts in distillation equipment, the method using a quaternary ammonium compound represented by general formula (1) as a salt remover. (In formula (1), R1, R2, and R3 each independently represent a hydrocarbon group having 1-4 carbon atoms, and n represents an integer of 1-10.)
C10G 7/08 - Distillation extractive ou azéotropique
B01D 3/34 - Distillation ou procédés d'échange apparentés dans lesquels des liquides sont en contact avec des milieux gazeux, p.ex. extraction avec une ou plusieurs substances auxiliaires
The present invention relates to aqueous oil-in-water emulsion containing: a) an oil phase comprising at least one organic amine of the formula (I) R1-(NH-R2)n-NH2 (I) wherein n is an integer from 0 to 7, in particular 0, 1 or 2, R1 is a linear or branched, acyclic hydrocarbon group having 12 to 22 carbon atoms; R2 is C2-C4-alkanediyl; b) and water, wherein the amount of amines of formula (I) with n being 1 or 2 is at least 90 % by weight, based on the total amount of amines of the formula (I) contained in the oil phase. The invention also relates to the use of these emulsions as a corrosion inhibitor in water-bearing systems.
B01J 13/00 - Chimie des colloïdes, p.ex. production de substances colloïdales ou de leurs solutions, non prévue ailleurs; Fabrication de microcapsules ou de microbilles
Provided is a method for reducing corrosive ions in an aromatic compound extraction solvent, which easily and efficiently reduces corrosive ions in an aromatic compound extraction solvent in a circulatory system for the purpose of suppressing corrosion of an extraction device caused by corrosive ions contained in the aromatic compound extraction solvent. A method for reducing corrosive ions in an aromatic compound extraction solvent in a circulatory system in which the aromatic compound extraction solvent is circulated. This method for reducing corrosive ions in an aromatic compound extraction solvent comprises: a step wherein a corrosive ion scavenger is added to the corrosive ions, which are at least one kind of ions selected from among chloride ions, sulfate ions and sulfite ions, thereby having the corrosive ions react with the corrosive ion scavenger so as to obtain a non-volatile salt; and a step wherein the salt is removed by concentrating the solvent that contains the salt.
C10G 21/16 - Composés organiques uniquement contenant de l'oxygène
C10G 21/20 - Composés organiques uniquement contenant de l'azote
C10G 75/02 - Inhibition de la corrosion ou des salissures dans des appareils de traitement ou de conversion des huiles d'hydrocarbures, en général par addition d'inhibiteurs de corrosion
9.
PITCH INHIBITOR, PITCH INHIBITION METHOD, AND PROCESS FOR PRODUCING DEINKED PULP
Provided are a pitch inhibitor, etc. which can be extensively applied to paper production steps regardless of substances causative of pitch or the pitch situation and with which it is possible to effectively inhibit or prevent the occurrence of pitch troubles such as paper stains, defects, breakage, and a decrease in workability. The pitch inhibitor comprises either an alkali solution in which a phenolic resin and/or a modified phenolic resin has been dissolved or an acid solution in which a phenolic resin and/or a modified phenolic resin has been dissolved.
The present invention relates to the use of polymer dispersions for dust control, wherein these polymer dispersions can be obtained by radically initiated emulsion polymerisation of the components a to e: a. 2 - 75 % by weight styrene and/or substituted styrene and b. 0 to 75 % by weight acrylic acid C1 - C2 ester and/or methacrylic acid C1 to C12 ester and c. 0 to 50 % by weight acrylonitrile and/or methacrylonitrile and d. 0 to 50 % by weight of at least one further copolymerisable ethylenically unsaturated monomers with one or more C-C double bonds in the presence of e. 10 to 75 % by weight starch and/or modified starch and/or degraded starch and/or degraded modified starch wherein the polymerisation is carried out in water.
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