WO2012146779A3 - Verfahren zur herstellung gezonter katalysatoren - Google Patents

Verfahren zur herstellung gezonter katalysatoren Download PDF

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Publication number
WO2012146779A3
WO2012146779A3 PCT/EP2012/057893 EP2012057893W WO2012146779A3 WO 2012146779 A3 WO2012146779 A3 WO 2012146779A3 EP 2012057893 W EP2012057893 W EP 2012057893W WO 2012146779 A3 WO2012146779 A3 WO 2012146779A3
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WO
WIPO (PCT)
Prior art keywords
catalyst
production
ducts
zoned
catalysts
Prior art date
Application number
PCT/EP2012/057893
Other languages
English (en)
French (fr)
Other versions
WO2012146779A2 (de
Inventor
Markus Hutt
Sascha Podehl
Ingo Stender
Original Assignee
Clariant Produkte (Deutschland) Gmbh
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Application filed by Clariant Produkte (Deutschland) Gmbh filed Critical Clariant Produkte (Deutschland) Gmbh
Publication of WO2012146779A2 publication Critical patent/WO2012146779A2/de
Publication of WO2012146779A3 publication Critical patent/WO2012146779A3/de

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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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • 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
    • 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
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • 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
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/12—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
    • C01B3/16—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2825—Ceramics
    • F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/905—Catalysts having a gradually changing coating
    • 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
    • C01B2203/0283—Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift 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
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1005—Arrangement or shape of catalyst
    • C01B2203/1023—Catalysts in the form of a monolith or honeycomb
    • 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
    • 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
    • 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
    • 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
    • C01B2203/1064—Platinum group metal 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)

Abstract

Es wird ein Verfahren zur Herstellung eines Katalysators bereitgestellt, umfassend a) Bereitstellen eines Katalysator-Formkörpers, der eine Mehrzahl von Strömungskanälen enthält, die jeweils eine Eintrittssöffnung und eine Austrittsöffnung aufweisen; und b) schrittweises Imprägnieren der Strömungskanäle mit einer Lösung einer Verbindung einer katalytisch aktiven Komponente. Ferner wird ein Katalysator und eine Verwendung des Katalysators angegeben.
PCT/EP2012/057893 2011-04-29 2012-04-30 Verfahren zur herstellung gezonter katalysatoren WO2012146779A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011100017.1 2011-04-29
DE102011100017A DE102011100017A1 (de) 2011-04-29 2011-04-29 Verfahren zur Herstellung gezonter Katalysatoren

Publications (2)

Publication Number Publication Date
WO2012146779A2 WO2012146779A2 (de) 2012-11-01
WO2012146779A3 true WO2012146779A3 (de) 2014-07-24

Family

ID=46044681

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/057893 WO2012146779A2 (de) 2011-04-29 2012-04-30 Verfahren zur herstellung gezonter katalysatoren

Country Status (2)

Country Link
DE (1) DE102011100017A1 (de)
WO (1) WO2012146779A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT513851B1 (de) 2013-05-27 2014-08-15 Scheuch Gmbh Vorrichtung zur katalytischen Entstickung und regenerativen thermischen Nachverbrennung
GB201518784D0 (en) * 2015-10-23 2015-12-09 Johnson Matthey Plc Catalysed monolith substrate for a diesel engine
GB201616269D0 (en) 2016-09-26 2016-11-09 Johnson Matthey Public Limited Company Oxidation catalyst for a diesel engine exhaust
CN114669424B (zh) * 2022-03-15 2023-05-12 苏州西热节能环保技术有限公司 催化剂梯级负载方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1554875A (en) * 1975-09-23 1979-10-31 Degussa Internal combustion engine exhaust catalyst
WO2001074476A1 (en) * 2000-03-17 2001-10-11 Engelhard Corporation Multi-zoned catalytic trap and methods of making and using the same
WO2005077497A1 (en) * 2004-02-11 2005-08-25 Umicore Ag & Co. Kg Exhaust gas cleaning catalyst with an axially varying precious metal concentration and processes for making the catalyst
DE102004040549A1 (de) * 2004-08-21 2006-02-23 Umicore Ag & Co. Kg Katalytisch beschichtetes Partikelfilter und Verfahren zu seiner Herstellung sowie seine Verwendung
WO2006080369A1 (en) * 2005-01-31 2006-08-03 Toyota Jidosha Kabushiki Kaisha Catalyst for purifying exhaust gases and exhaust-gas purification controller using the same
EP2105197A1 (de) * 2008-03-27 2009-09-30 Ibiden Co., Ltd. Wabenstruktur und Abgasverarbeitungsvorrichtung
JP2009254987A (ja) * 2008-04-17 2009-11-05 Ne Chemcat Corp ハニカム構造体の部分含浸方法、ハニカム型構造触媒の製造方法、及び得られるハニカム構造型触媒

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5712820A (en) * 1980-06-24 1982-01-22 Toyota Motor Corp Monolithic type catalyst structure for cleaning automobile exhaust
FR2622126B1 (fr) * 1987-10-21 1991-06-14 Procatalyse Ste Fse Produits C Catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ce catalyseur
DE4342914C1 (de) * 1993-12-16 1995-07-27 Degussa Verfahren zum Impr{gnieren der Str¦mungskan{le von Wabenk¦rpern mit definierten Konzentrationsprofilen
BR9909986A (pt) * 1998-04-28 2000-12-26 Engelhard Corp Catalisadores monolìticos e processo afim para a fabricação
DE102007029418A1 (de) * 2007-06-26 2009-01-08 Robert Bosch Gmbh Katalysatorelement, Katalysator zur Abgasnachbehandlung einer Brennkraftmaschine und Verfahren zur Herstellung eines erfindungsgemäßen Katalysatorelements

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1554875A (en) * 1975-09-23 1979-10-31 Degussa Internal combustion engine exhaust catalyst
WO2001074476A1 (en) * 2000-03-17 2001-10-11 Engelhard Corporation Multi-zoned catalytic trap and methods of making and using the same
WO2005077497A1 (en) * 2004-02-11 2005-08-25 Umicore Ag & Co. Kg Exhaust gas cleaning catalyst with an axially varying precious metal concentration and processes for making the catalyst
DE102004040549A1 (de) * 2004-08-21 2006-02-23 Umicore Ag & Co. Kg Katalytisch beschichtetes Partikelfilter und Verfahren zu seiner Herstellung sowie seine Verwendung
WO2006080369A1 (en) * 2005-01-31 2006-08-03 Toyota Jidosha Kabushiki Kaisha Catalyst for purifying exhaust gases and exhaust-gas purification controller using the same
EP2105197A1 (de) * 2008-03-27 2009-09-30 Ibiden Co., Ltd. Wabenstruktur und Abgasverarbeitungsvorrichtung
JP2009254987A (ja) * 2008-04-17 2009-11-05 Ne Chemcat Corp ハニカム構造体の部分含浸方法、ハニカム型構造触媒の製造方法、及び得られるハニカム構造型触媒

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BOBROVA L ET AL: "Syngas formation by selective catalytic oxidation of liquid hydrocarbons in a short contact time adiabatic reactor", CHEMICAL ENGINEERING JOURNAL, ELSEVIER SEQUOIA, LAUSANNE, CH, vol. 107, no. 1-3, 15 March 2005 (2005-03-15), pages 171 - 179, XP027702859, ISSN: 1385-8947, [retrieved on 20050315] *

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DE102011100017A1 (de) 2012-10-31
WO2012146779A2 (de) 2012-11-01

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