ES480629A1 - Un metodo para convertir simultaneamente los componentes de monoxido de carbono, hidrocarburos y oxidos de nitrogeno en una corriente gaseosa. - Google Patents

Un metodo para convertir simultaneamente los componentes de monoxido de carbono, hidrocarburos y oxidos de nitrogeno en una corriente gaseosa.

Info

Publication number
ES480629A1
ES480629A1 ES480629A ES480629A ES480629A1 ES 480629 A1 ES480629 A1 ES 480629A1 ES 480629 A ES480629 A ES 480629A ES 480629 A ES480629 A ES 480629A ES 480629 A1 ES480629 A1 ES 480629A1
Authority
ES
Spain
Prior art keywords
metal component
catalytically
promoting
platinum
base metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES480629A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Engelhard Minerals and Chemicals Corp
Original Assignee
Engelhard Minerals and Chemicals Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Engelhard Minerals and Chemicals Corp filed Critical Engelhard Minerals and Chemicals Corp
Publication of ES480629A1 publication Critical patent/ES480629A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656—Manganese, technetium or rhenium
    • B01J23/6567—Rhenium
    • 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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8986—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with manganese, technetium or rhenium
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

Un método para convertir simultáneamente, los componentes de monóxido de carbono, hidrocarburos y óxidos de nitrógeno en una corriente gaseosa, que comprende poner en contacto dicha corriente gaseosa en condiciones que convierten dichos componentes gaseosas en condiciones que convierten dichos componentes en dióxido de carbono, agua y nitrógeno, con cantidades controladas, aproximadamente estequiometricas, de oxigeno y una composición catalítica que tiene un material cataliticamente activador que comprende un componente de soporte de alumina finalmente dividido y un componente solido finalmente dividido y cataliticamente activador que contiene uno o más miembros seleccionados del grupo constituido por metales base que tienen un número atómico de 25 a 28 y renio, y un componente metálico del grupo del platino uno o ambos de platino y paladio, y uno o más de rodio, rutenio e iridio estando depositado dicho material cataliticamente activador sobre un soporte solido de tamaño macroscópico, estando presentes dichos uno o más metales base en dicha composición catalítica en una cantidad mayor que dichos metales del grupo del platino, preparandose dicho catalizador por depositación sobre dicho soporte solido de tamaño macroscópico de un componente solido finalmente dividido que contiene uno o mas miembros seleccionados del grupo constituido por metales base que tiene un numero atómico de 25 a 28 y renio, y un componente de soporte de alumina solido y finalmente dividido, y mantenimiento de una cantidad principal de dicho metal en forma sólida a todo lo largo de la fabricación de dicha composición catalítica.
ES480629A 1977-09-23 1979-05-16 Un metodo para convertir simultaneamente los componentes de monoxido de carbono, hidrocarburos y oxidos de nitrogeno en una corriente gaseosa. Expired ES480629A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/836,108 US4171287A (en) 1977-09-23 1977-09-23 Catalyst compositions and the method of manufacturing them

Publications (1)

Publication Number Publication Date
ES480629A1 true ES480629A1 (es) 1980-04-01

Family

ID=25271261

Family Applications (2)

Application Number Title Priority Date Filing Date
ES480630A Expired ES480630A1 (es) 1977-09-23 1979-05-16 Un metodo para oxidar los componentes de monoxido de carbonoe hidrocarburos.
ES480629A Expired ES480629A1 (es) 1977-09-23 1979-05-16 Un metodo para convertir simultaneamente los componentes de monoxido de carbono, hidrocarburos y oxidos de nitrogeno en una corriente gaseosa.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES480630A Expired ES480630A1 (es) 1977-09-23 1979-05-16 Un metodo para oxidar los componentes de monoxido de carbonoe hidrocarburos.

Country Status (18)

Country Link
US (1) US4171287A (es)
JP (1) JPS5456992A (es)
AR (2) AR223965A1 (es)
AU (1) AU524527B2 (es)
BE (1) BE870665A (es)
BR (1) BR7806268A (es)
CA (1) CA1116586A (es)
CH (1) CH643753A5 (es)
DD (2) DD140111A5 (es)
DE (1) DE2841158A1 (es)
ES (2) ES480630A1 (es)
FI (1) FI782892A (es)
FR (1) FR2403825A1 (es)
GB (1) GB1600588A (es)
IT (1) IT1106029B (es)
NL (1) NL7809429A (es)
PL (1) PL209801A1 (es)
SE (1) SE446433B (es)

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US4440874A (en) * 1982-04-14 1984-04-03 Engelhard Corporation Catalyst composition and method for its manufacture
JPS5912115A (ja) * 1982-07-13 1984-01-21 Samukomu Electron Kk 自動車排ガス浄化用触媒
ZA837689B (en) * 1982-10-18 1984-06-27 Universal Matthey Prod Oxidation catalysts
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AU2362084A (en) * 1983-02-14 1984-08-23 Engelhard Corporation Catalysts with support coatings
US4757045A (en) * 1983-02-14 1988-07-12 Engelhard Corporation Catalysts with support coatings having increased macroporosity and method for producing the catalysts
US4547487A (en) * 1983-05-19 1985-10-15 Gulf Research & Development Company Process for preparing catalysts
US4780447A (en) * 1987-07-10 1988-10-25 W. R. Grace & Co.-Conn. Catalysts for controlling auto exhaust emissions including hydrocarbon, carbon monoxide, nitrogen oxides and hydrogen sulfide and method of making the catalysts
ES2042687T3 (es) * 1987-10-30 1993-12-16 Degussa Catalizador trivalente exento de platino.
EP0314057B1 (de) * 1987-10-30 1992-06-03 Degussa Aktiengesellschaft Rhodium-freier Dreiwegkatalysator
US4939113A (en) * 1987-11-03 1990-07-03 Engelhard Corporation Hydrogen sulfide suppressing catalyst system using an oxide of copper, manganese, nickel or iron
US5196390A (en) * 1987-11-03 1993-03-23 Engelhard Corporation Hydrogen sulfide-suppressing catalyst system
US4795733A (en) * 1987-11-27 1989-01-03 Gaf Corporation Hydrogenation catalyst and process for its preparation
US5061674A (en) * 1990-06-01 1991-10-29 Texaco Inc. Compositions involving MnO--V2 O3 --TiO2
US5179060A (en) * 1990-11-28 1993-01-12 Ford Motor Company Dispersion enhanced pt group metal catalysts and method of making the catalysts
US5196175A (en) * 1990-11-28 1993-03-23 Ford Motor Company Dispersion enhanced PT group metal catalysts
JP3145175B2 (ja) * 1992-03-31 2001-03-12 三井金属鉱業株式会社 排ガス浄化用触媒及びその製造方法
US5571763A (en) * 1992-06-02 1996-11-05 Mazda Motor Corporation Exhaust gas purification system and catalyst therefor
GB9227152D0 (en) * 1992-12-31 1993-02-24 Dow Corning Process for loading ceramic monolith with catalyst
AU1731195A (en) * 1994-01-27 1995-08-15 Engelhard Corporation Process for recovering catalyst supports
US5422331A (en) * 1994-02-25 1995-06-06 Engelhard Corporation Layered catalyst composition
JPH10501172A (ja) * 1994-06-01 1998-02-03 エイエスイーシー・マニュファクチュアリング・カンパニー 過剰な酸素を含む内燃エンジンからの排気ガス中のＮＯ▲ｘ▼の還元用合金化金属触媒
JP3513934B2 (ja) * 1994-09-26 2004-03-31 マツダ株式会社 排気ガス浄化用触媒及びその製造方法
US6000217A (en) * 1995-01-04 1999-12-14 Engelhard Corporation Air injection strategies for effectively burning hydrocarbons released from a hydrocarbon trap
DE19645047A1 (de) * 1996-10-31 1998-05-07 Basf Ag Katalysatoren für die Aminierung von Alkylenoxiden, Alkoholen, Aldehyden und Ketonen
US6242263B1 (en) 1996-12-20 2001-06-05 Corning Incorporated Automotive hydrocarbon sensor
CA2311329A1 (en) * 1997-11-27 1999-06-10 Idemitsu Kosan Co., Ltd. Alumina-supported ruthenium catalyst
DE19756880A1 (de) * 1997-12-19 1999-07-01 Degussa Anodenkatalysator für Brennstoffzellen mit Polymerelektrolyt-Membranen
US6221804B1 (en) * 1998-01-27 2001-04-24 Mazda Motor Corporation Catalyst for purifying exhaust gas and manufacturing method thereof
US6110862A (en) * 1998-05-07 2000-08-29 Engelhard Corporation Catalytic material having improved conversion performance
DE19840373A1 (de) * 1998-09-04 2000-03-09 Basf Ag Katalysator und Verfahren zur Selektivhydrierung ungesättigter Verbindungen in Kohlenwasserstoffströmen
US6344173B1 (en) 1998-12-07 2002-02-05 Corning Incorporated Automotive hydrocarbon sensor
JP4645786B2 (ja) * 2001-06-08 2011-03-09 三菱自動車工業株式会社 排ガス浄化用触媒
DE10208254A1 (de) * 2002-02-26 2003-09-04 Bayer Ag Katalysator
US6660683B1 (en) * 2002-10-21 2003-12-09 W.R. Grace & Co.-Conn. NOx reduction compositions for use in FCC processes
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US7030055B2 (en) * 2003-08-18 2006-04-18 W.R. Grace & Co.-Conn. NOx reduction compositions for use in FCC processes
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Also Published As

Publication number Publication date
US4171287A (en) 1979-10-16
AR223965A1 (es) 1981-10-15
SE446433B (sv) 1986-09-15
FR2403825A1 (fr) 1979-04-20
DE2841158C2 (es) 1989-06-29
IT1106029B (it) 1985-11-11
CA1116586A (en) 1982-01-19
AU524527B2 (en) 1982-09-23
SE7809888L (sv) 1979-05-10
CH643753A5 (de) 1984-06-29
AU4009378A (en) 1980-03-27
BR7806268A (pt) 1979-04-17
ES480630A1 (es) 1980-04-01
JPS5456992A (en) 1979-05-08
IT7851203A0 (it) 1978-09-22
DD147146A5 (de) 1981-03-18
FI782892A (fi) 1979-03-24
DE2841158A1 (de) 1979-04-05
AR223824A1 (es) 1981-09-30
BE870665A (fr) 1979-03-21
FR2403825B1 (es) 1984-03-30
NL7809429A (nl) 1979-03-27
DD140111A5 (de) 1980-02-13
GB1600588A (en) 1981-10-21
PL209801A1 (pl) 1979-06-04

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