WO2013187436A1 - Catalyseur de reformage, son procédé de préparation et procédé de fabrication d'un gaz de synthèse - Google Patents

Catalyseur de reformage, son procédé de préparation et procédé de fabrication d'un gaz de synthèse Download PDF

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WO2013187436A1
WO2013187436A1 PCT/JP2013/066200 JP2013066200W WO2013187436A1 WO 2013187436 A1 WO2013187436 A1 WO 2013187436A1 JP 2013066200 W JP2013066200 W JP 2013066200W WO 2013187436 A1 WO2013187436 A1 WO 2013187436A1
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reforming catalyst
hydrocarbon
gas
solid solution
reforming
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Japanese (ja)
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佐藤　秀人
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株式会社村田製作所
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/51—Spheres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/04—Mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • B01J37/082—Decomposition and pyrolysis
    • B01J37/088—Decomposition of a metal salt
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/40—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0238—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a carbon dioxide reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1005—Arrangement or shape of catalyst
    • C01B2203/1011—Packed bed of catalytic structures, e.g. particles, packing elements
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041—Composition of the catalyst
    • C01B2203/1047—Group VIII metal catalysts
    • C01B2203/1052—Nickel or cobalt catalysts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Definitions

  • the present invention for example, reforming a raw material gas containing a hydrocarbon such as methane to produce a synthesis gas containing hydrogen and carbon monoxide, a method for producing the reforming catalyst, And a method for producing synthesis gas.
  • Gases containing various hydrocarbons are generated from technical fields such as petroleum refining and petrochemistry, but they are not necessarily efficiently used as raw material gases for various substances, and a method for converting them into more effective substances is required. ing.
  • Carbon dioxide reforming of hydrocarbons is suitable for producing a synthesis gas having a relatively high carbon monoxide concentration by reacting a saturated hydrocarbon such as methane with carbon dioxide in the presence of a catalyst.
  • steam reforming of hydrocarbons is suitable for producing a synthesis gas having a relatively high hydrogen concentration by reacting a saturated hydrocarbon such as methane with steam in the presence of a catalyst.
  • the present inventor has proposed a reforming catalyst containing NiO—Sr 2 TiO 4 solid solution in which NiO is dissolved in Sr ⁇ Ti composite oxide as a reforming catalyst capable of suppressing such carbon deposition.
  • a catalyst has proposed a catalyst.
  • the production process of the synthesis gas used as a raw material is preferably performed at a higher pressure.
  • the higher the pressure during synthesis gas production the more likely the carbon deposition to occur on the reforming catalyst. Therefore, if a reforming catalyst that can further suppress the precipitation of carbon can be realized, synthesis gas can be produced under higher pressure.
  • the longer the time for producing the synthesis gas the more likely the carbon deposition to occur on the reforming catalyst. Therefore, if a reforming catalyst that can further suppress the deposition of carbon can be realized, the reforming catalyst can be used continuously over a longer period of time.
  • the present invention solves the above-mentioned problems, and further, while suppressing the precipitation of carbon, reacts a hydrocarbon-based source gas with at least one of carbon dioxide and water vapor to efficiently produce hydrogen and one. It is an object of the present invention to provide a reforming catalyst capable of producing carbon oxide, a production method thereof, and a production method of synthesis gas capable of efficiently producing hydrogen and carbon monoxide.
  • the hydrocarbon-based gas reforming catalyst of the present invention reforms a hydrocarbon-based raw material gas using at least one of carbon dioxide and water vapor, and contains carbon monoxide and hydrogen.
  • a hydrocarbon-based gas reforming catalyst used for generating synthesis gas the main component is a solid solution in which Co is dissolved in a composite oxide of Sr and Ti, and the number of moles of Ti is 1.0. In this case, the number of moles of Sr is in the range of 1.7 to 2.6.
  • the solid solution is preferably a Co—Sr 2 TiO 4 solid solution.
  • the solid solution is preferably a Co—Sr 3 Ti 2 O 7 solid solution.
  • the mole number of Ti when the mole number of Ti is 1.0, the mole number of Co is preferably in the range of 0.04 to 0.30.
  • the hydrocarbon gas reforming catalyst of the present invention is an oxide containing SrTiO 3 , SrCO 3 , and Co or Co produced by allowing carbon dioxide to act on the hydrocarbon gas reforming catalyst. It is preferable to consist of what contains.
  • a mixture containing TiO 2 , SrCO 3 and Co 3 O 4 is 900 ° C. It is preferable to include a step of heat treatment at the above temperature.
  • Co may be mixed in a metal state or a compound such as an oxide.
  • the method for producing a synthesis gas of the present invention comprises the step of preparing the hydrocarbon-based gas reforming catalyst, contacting the hydrocarbon-based gas reforming catalyst and a gas containing carbon dioxide, Carbon monoxide and hydrogen are brought into contact by bringing a pretreatment step, a pretreated hydrocarbon gas reforming catalyst, a hydrocarbon raw material gas, and a gas containing at least one of carbon dioxide and water vapor into contact with each other. And a step of producing a synthesis gas containing
  • a Co—Sr 2 TiO 4 solid solution in which Co is dissolved in the Sr ⁇ Ti composite oxide is produced, and then the Co—Sr 2 TiO 4 solid solution or Co—Sr 3 Ti is produced.
  • Carbon dioxide is allowed to act on the 2 O 7 solid solution to produce SrTiO 3 and SrCO 3, and at least one of Co or an oxide containing Co is deposited on the surface thereof.
  • the precipitated Co or Co-containing oxide becomes fine Co particles.
  • the reforming catalyst of the present invention containing the fine Co particles, it becomes possible to suppress carbon deposition even when the carbon dioxide reforming reaction is performed at a high pressure. It becomes possible to efficiently produce synthesis gas containing carbon monoxide.
  • the conversion rate to a synthetic product increases as the reaction is carried out at a high pressure. Therefore, the production process of the synthesis gas used as a raw material is preferably a high pressure.
  • the reforming catalyst produced by the method in which fine Co, Co-containing oxides, etc. are deposited is carbon as compared with the gas reforming catalyst of Patent Document 1, even under a higher pressure. It can be used without causing precipitation. Further, since the reaction at high pressure is possible, there is an advantage that the reaction apparatus in the reforming reaction can be made more compact.
  • the reforming catalyst produced by the method of the present invention functions as a catalyst when the following reaction is caused by circulating methane and carbon dioxide, which are hydrocarbons, at a high temperature of 700 ° C. to 1100 ° C., for example. .
  • the reaction of the formula (1) is fast, and the reaction rate of the formula (2) is relatively slow, so that the decomposition of CH 4 by the formula (1) proceeds more. Carbon may be deposited. Moreover, carbon may precipitate by the reverse reaction of Formula (2) progressing.
  • the reforming catalyst of the present invention has a reaction function of the formula (1) that is suppressed as compared with the gas reforming catalyst of Patent Document 1 due to the catalytic function of fine Co metal particles.
  • the balance of removing the carbon generated by the reaction of (1) by the reaction of the formula (2) is obtained, and as a result, carbon deposition can be suppressed.
  • the reforming catalyst produced by the method of the present invention is also effective as a catalyst for causing a reaction represented by the following formula (4) between methane, which is a hydrocarbon, and steam at a high temperature. work.
  • the reforming catalyst produced by the method of the present invention comprises a carbon dioxide reforming reaction in which methane, which is a hydrocarbon, and carbon dioxide are reacted as in the above formulas (1) to (3), and a hydrocarbon.
  • Strontium carbonate (SrCO 3 ), titanium oxide (TiO 2 ), and cobalt tetroxide (Co 3 O 4 ) were converted into a mole of Sr: Ti: Co. They were weighed and mixed so that the ratio was 2.00: 1.00: 0.09. Next, a binder was added to this mixture and granulated to obtain a spherical granulated body having a diameter of 2 to 5 mm. Then, the resulting granular material was calcined in air at 1100 ° C. for 1 h to obtain a reforming catalyst B.
  • Strontium carbonate (SrCO 3 ), titanium oxide (TiO 2 ), and cobalt tetroxide (Co 3 O 4 ) were converted into a mole of Sr: Ti: Co. They were weighed and mixed so that the ratio was 2.60: 1.00: 0.30. Next, a binder was added to this mixture and granulated to obtain a spherical granulated body having a diameter of 2 to 5 mm. And the reforming catalyst H was obtained by baking the obtained granular material in air on 1100 degreeC and 1h conditions.
  • the obtained diffraction line is a diffraction line of SrTiO 3 , SrCO 3 and Co oxide, and is a mixture of SrTiO 3 , SrCO 3 and Co oxide.
  • the catalysts of the examples are “Co—Sr 2 TiO 4 solid solution”, “Co—Sr 3 Ti 2 O 7 solid solution”, or “Co—Sr 2 TiO 4 solid solution and Co—Sr 3 Ti 2 O 7”. It is a catalyst composed of “both solid solutions”.
  • Co solid solution catalysts can be obtained when the mole number of Ti is 1.0 and the mole number of Sr is 1.7 to 2.6 and the mole number of Co is 0.04 to 0.3.
  • thermogravimetric measurement was performed under the flow of carbon dioxide.
  • carbon and carbon dioxide deposited on the sample were reacted as shown in the following formula (5), and the decrease in the sample weight was estimated as the carbon deposition amount.
  • the reforming catalysts A to I, K showed a methane conversion rate close to the equilibrium gas composition under the conditions of 800 ° C. and 9 atm. Did not come. Therefore, it can be seen that the reforming catalyst reforming catalysts A to I, K that form a solid solution with respect to the reforming catalyst J that does not form a solid solution are preferable from the viewpoint of methane conversion.
  • the reforming catalysts A to I have a carbon deposition amount of less than 10% by weight, whereas the reforming catalyst K has a carbon deposition amount of more than 10% by weight and 25.8% by weight. From this result, it can be seen that carbon deposition is suppressed in the reforming catalysts A to I using Co rather than the reforming catalyst K using Ni.
  • the reforming catalyst K corresponds to the reforming catalyst described in Patent Document 1 previously proposed by the inventor, but the amount of carbon deposition is higher than that of Patent Document 1. This is because the reforming test is reforming at 9 atm and high pressure. Therefore, unless it is such a severe condition, the reforming catalyst K has a sufficient effect of suppressing carbon deposition.
  • the reforming catalyst B has a much smaller carbon deposition amount even though the amount of Co added is the same. Further, the amount of carbon deposition tends to increase as the amount of Co added increases, but the reforming catalyst E to which Co is added three times or more of the reforming catalyst J is higher than the reforming catalyst J. Less carbon deposition. From this result, the catalyst A ⁇ I reforming the Co component forms a Sr 2 TiO 4 phase and solid solution than Co component does not form a Sr 2 TiO 4 phase and solid solution reforming catalyst J It turns out that the effect which suppresses carbon precipitation is remarkable.
  • the amount of Co added in the reforming catalysts A to I is preferably small.
  • the amount of Co added in the reforming catalyst I exceeds the amount of carbon deposition because the amount of carbon deposition approaches 10% by weight. Therefore, the amount of Co is preferably 0.04 to 0.30 mol with respect to Ti: 1.00 mol.
  • the reforming catalysts A to I are filled in the reaction tube 1 in a state of containing the Co—Sr 2 TiO 4 solid solution or the Co—Sr 3 Ti 2 O 7 solid solution. It is not a thing.
  • a Co—Sr 2 TiO 4 solid solution or a Co—Sr 3 Ti 2 O 7 solid solution is reacted with carbon dioxide to form a mixture of SrTiO 3 , SrCO 3 and an oxide containing Co or Co.
  • the reaction tube 1 may be filled.
  • Co oxide may be reduced to metal Co with a reducing gas such as H 2 and then charged into reaction tube 1. Either the reaction with carbon dioxide or the reduction may be first.
  • the reforming catalyst J is a mixture of SrTiO 3 , SrCO 3 and an oxide containing Co or Co after the reforming test, and after the reforming tests A to I and the reforming test.
  • the state of is similar.
  • the maximum catalyst particle diameter of the reforming catalyst J is about 300 nm
  • the metal particle diameter of the other reforming catalyst is about 50 nm.
  • the metal particle diameter is large. It is considered that this is because the reforming catalyst E is not once in a solid solution state.
  • FIGS. 2A is a TEM image of the reforming catalyst A before the reforming test
  • FIG. 2B is a TEM image of the reforming catalyst A after the reforming test
  • 3A is a Co mapping image by EDX of the reforming catalyst A before the reforming test in the same field of view as FIG. 2A
  • FIG. 3B is a diagram of the reforming catalyst A after the reforming test. It is Co mapping image by EDX in the same visual field as 2 (b).
  • FIG. 3B Comparing FIG. 2A before the modification test and FIG. 2B after the modification test, black particles of about 50 nm are deposited on the surface of the crystal in FIG. 2B. In FIG. 3B, this black particle is Co. 3A, it can be seen that Co is uniformly dispersed in each part before the reforming test and that segregated and precipitated after the reforming as seen in FIG. 3B.
  • the temperature condition is usually 700 ° C. or higher, pressure It is desirable to carry out under conditions of 3 atm or more as conditions.
  • the present invention is not limited to the above-described examples, but the conditions in the step of forming a Co—Sr 2 TiO 4 solid solution or a Co—Sr 3 Ti 2 O 7 solid solution, Co—Sr 2 A step of causing carbon dioxide to act on the TiO 4 solid solution or the Co—Sr 3 Ti 2 O 7 solid solution to generate SrTiO 3 and SrCO 3 , and generating at least one of Co or Co oxide on the surface thereof.
  • Various applications and modifications can be made within the scope of the invention with respect to the conditions in FIG.
  • carbon dioxide reforming for reforming by reacting hydrocarbon and carbon dioxide As described above, according to the present invention, carbon dioxide reforming for reforming by reacting hydrocarbon and carbon dioxide, steam reforming for reforming by reacting hydrocarbon and steam, or carbon dioxide and steam Even when used in any reforming reaction using both of these, the synthesis gas containing hydrogen and carbon monoxide is efficiently produced from the hydrocarbon-based source gas while suppressing the precipitation of carbon. This makes it possible to efficiently produce a reforming catalyst that can be used.
  • the present invention can be widely applied to the field of reforming catalysts and the technical field related to the production of synthesis gas containing at least one of hydrogen and carbon monoxide.

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Abstract

L'invention concerne : un catalyseur de reformage qui peut faire réagir une matière première gazeuse à base d'hydrocarbure avec du dioxyde de carbone et/ou de la vapeur d'eau tout en réduisant à un minimum le dépôt de carbone, permettant ainsi une fabrication efficace d'hydrogène et de monoxyde de carbone ; un procédé de préparation de ce catalyseur ; un procédé de fabrication d'un gaz de synthèse. La présente invention concerne un procédé de préparation d'un catalyseur de reformage qui comporte SrTiO3, SrCO3 et Co comme composants principaux, ledit procédé comprenant une étape pour former une solution solide de Co-Sr2TiO4 ou de Co-Sr3Ti2O7, celle-ci étant une solution solide de Co dans un oxyde composite de Sr/Ti, puis pour amener du dioxyde de carbone à agir sur la solution solide afin de former SrTiO3, SrCO3 et Co et/ou un oxyde contenant Co. Dans le catalyseur, la teneur en Sr est ajustée de 1,7 à 2,6 moles par mole de Ti. La présente invention concerne également un procédé de fabrication d'un gaz de synthèse, ledit procédé comportant le passage d'un gaz qui comporte une matière première gazeuse et du dioxyde de carbone et/ou de la vapeur d'eau à travers un reformeur garni avec le catalyseur de reformage afin de fabriquer un gaz de synthèse qui contient à la fois du monoxyde de carbone et de l'hydrogène.
PCT/JP2013/066200 2012-06-13 2013-06-12 Catalyseur de reformage, son procédé de préparation et procédé de fabrication d'un gaz de synthèse WO2013187436A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014189006A1 (fr) * 2013-05-21 2014-11-27 株式会社村田製作所 Catalyseur de reformation d'un gaz hydrocarboné et procédé de reformation d'un gaz hydrocarboné au moyen dudit catalyseur
CN108014778A (zh) * 2017-12-12 2018-05-11 浙江绿竹环保科技有限公司 一种改性钛酸锶的制备方法及其产品和应用

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Publication number Priority date Publication date Assignee Title
JP2003117395A (ja) * 2001-10-15 2003-04-22 Teikoku Oil Co Ltd 改質用触媒およびこれを用いる合成ガス製造方法
WO2010001690A1 (fr) * 2008-07-04 2010-01-07 株式会社村田製作所 Procédé de reformage au dioxyde de carbone
WO2010143676A1 (fr) * 2009-06-12 2010-12-16 株式会社村田製作所 Catalyseur de reformage de gaz d'hydrocarbures, procédé de production de celui-ci et procédé de production de gaz de synthèse
WO2011027727A1 (fr) * 2009-09-02 2011-03-10 株式会社村田製作所 Catalyseur de reformage d'un gaz hydrocarboné, son procédé de fabrication, et procédé de fabrication d'un gaz de synthèse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003117395A (ja) * 2001-10-15 2003-04-22 Teikoku Oil Co Ltd 改質用触媒およびこれを用いる合成ガス製造方法
WO2010001690A1 (fr) * 2008-07-04 2010-01-07 株式会社村田製作所 Procédé de reformage au dioxyde de carbone
WO2010143676A1 (fr) * 2009-06-12 2010-12-16 株式会社村田製作所 Catalyseur de reformage de gaz d'hydrocarbures, procédé de production de celui-ci et procédé de production de gaz de synthèse
WO2011027727A1 (fr) * 2009-09-02 2011-03-10 株式会社村田製作所 Catalyseur de reformage d'un gaz hydrocarboné, son procédé de fabrication, et procédé de fabrication d'un gaz de synthèse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014189006A1 (fr) * 2013-05-21 2014-11-27 株式会社村田製作所 Catalyseur de reformation d'un gaz hydrocarboné et procédé de reformation d'un gaz hydrocarboné au moyen dudit catalyseur
CN108014778A (zh) * 2017-12-12 2018-05-11 浙江绿竹环保科技有限公司 一种改性钛酸锶的制备方法及其产品和应用
CN108014778B (zh) * 2017-12-12 2020-08-11 浙江绿竹环保科技有限公司 一种改性钛酸锶的制备方法及其产品和应用

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