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MX171738B - Catalizador de gas de escape con tendencia reducida a la acumulacion de la emision de sulfuro de hidrogeno y oxidos de azufre - Google Patents

Catalizador de gas de escape con tendencia reducida a la acumulacion de la emision de sulfuro de hidrogeno y oxidos de azufre

Info

Publication number
MX171738B
MX171738B MX017445A MX1744589A MX171738B MX 171738 B MX171738 B MX 171738B MX 017445 A MX017445 A MX 017445A MX 1744589 A MX1744589 A MX 1744589A MX 171738 B MX171738 B MX 171738B
Authority
MX
Mexico
Prior art keywords
weight
percent
carrier
catalyst
accumulation
Prior art date
Application number
MX017445A
Other languages
English (en)
Inventor
Egbert Lox
Edgar Koberstein
Bernd Engler
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of MX171738B publication Critical patent/MX171738B/es

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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8603—Removing sulfur compounds
    • B01D53/8612—Hydrogen sulfide
    • B01D53/8615—Mixtures of hydrogen sulfide and sulfur oxides
    • 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
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • B01J23/894—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 rare earths or actinides
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

La presente invención se refiere a catalizador para la purificación de los gases de escape de máquinas motrices a combustible que se presenta con un 2 hasta 70 por ciento por peso de CeO2 y de 0 hasta 20 por ciento por peso de ZrO2 como tambien en caso dado óxido de hierro, óxidos alcalino terreos y/o óxidos de metales de la serie de transición, elegidos entre los metales de las tierras raras contenidos en el óxido de aluminio como portador y de una fase activa adicionada sobre dicho portador de 0,01 hasta 3 por ciento por peso de platino, paladio y/o rodio con una proporción del peso entre el platino y/o paladio y en el caso dado presente rodio de 2 : 1 hasta 30 : 1, donde el catalizador en caso dado en forma de un revestimiento sobre un portador inerte alveolar de cerámica o metal o sobre un portador de cerámica espumoso en una cantidad de 5 hasta 30 por ciento por peso, referido al peso del portador, caracterizado porque, el catalizador contiene de 0,2 hasta 25 por ciento por peso de B2O3, referido al A1203.
MX017445A 1988-09-07 1989-09-06 Catalizador de gas de escape con tendencia reducida a la acumulacion de la emision de sulfuro de hidrogeno y oxidos de azufre MX171738B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3830318A DE3830318A1 (de) 1988-09-07 1988-09-07 Abgaskatalysator mit verminderter neigung zu speicherung von schwefeloxiden und schwefelwasserstoffemission

Publications (1)

Publication Number Publication Date
MX171738B true MX171738B (es) 1993-11-11

Family

ID=6362406

Family Applications (1)

Application Number Title Priority Date Filing Date
MX017445A MX171738B (es) 1988-09-07 1989-09-06 Catalizador de gas de escape con tendencia reducida a la acumulacion de la emision de sulfuro de hidrogeno y oxidos de azufre

Country Status (11)

Country Link
US (1) US4963521A (es)
EP (1) EP0358125B1 (es)
JP (1) JP3130904B2 (es)
KR (1) KR900004400A (es)
BR (1) BR8904438A (es)
CA (1) CA1335278C (es)
DE (2) DE3830318A1 (es)
ES (1) ES2014396T3 (es)
FI (1) FI96746C (es)
MX (1) MX171738B (es)
ZA (1) ZA895626B (es)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830319C1 (es) * 1988-09-07 1989-07-20 Degussa Ag, 6000 Frankfurt, De
JP2786933B2 (ja) * 1990-09-03 1998-08-13 株式会社日本触媒 排ガス浄化用触媒
US5116800A (en) * 1990-12-11 1992-05-26 Allied-Signal Inc. High durability and exhuast catalyst with low hydrogen sulfide emissions
US5958829A (en) * 1992-02-14 1999-09-28 Degussa-Huls Aktiengesellschaft Coating dispersion for exhaust gas catalysts
DE4244712C2 (de) * 1992-02-14 1996-09-05 Degussa Beschichtungsdispersion zur Herstellung von kalysefördernden Überzügen auf einem inerten, strukturverstärkenden Körper
DE4204421C2 (de) * 1992-02-14 1996-03-21 Degussa Katalysator für die Reinigung der Abgase von Brennkraftmaschinen
DE4206699C2 (de) * 1992-03-04 1996-02-01 Degussa NO¶x¶-Verminderung im mageren Abgas von Kraftfahrzeugmotoren
JP2698302B2 (ja) * 1992-11-24 1998-01-19 株式会社日本触媒 排気ガス浄化用触媒
EP0613714B1 (en) * 1993-01-11 2001-07-04 Toyota Jidosha Kabushiki Kaisha Process for purifying exhaust gases
CN1052170C (zh) * 1994-09-24 2000-05-10 华夏海南开发建设经营公司 内燃机排气的净化催化剂
WO1996014153A1 (en) * 1994-11-02 1996-05-17 Bojidara Grigorova Catalyst with zirconia/ceria support
US20040086441A1 (en) 1995-12-06 2004-05-06 Masao Hori Process for purifying exhaust gas from gasoline engines
PT912231E (pt) * 1996-05-28 2002-02-28 Anglo American Resear Lbrt Pro Catalisador de oxidacao
US5690900A (en) * 1996-10-10 1997-11-25 Smojver; Radmil Ammonia oxidation catalyst
GB9806199D0 (en) * 1998-03-24 1998-05-20 Johnson Matthey Plc Catalytic generation of hydrogen
DE19908394A1 (de) 1999-02-26 2000-08-31 Degussa Katalysatormaterial und Verfahren zu seiner Herstellung
JP3743995B2 (ja) * 1999-12-15 2006-02-08 日産自動車株式会社 メタノール改質触媒
KR100891794B1 (ko) * 2002-12-23 2009-04-07 주식회사 포스코 탈황용 안정화 마그헤마이트 촉매의 제조방법
US8158257B2 (en) 2006-10-06 2012-04-17 W. R. Grace & Co.-Conn. Sulfur tolerant alumina catalyst support
CA2665997C (en) 2006-10-06 2016-11-08 W.R. Grace & Co.-Conn. Sulfur tolerant alumina catalyst support
HUE029042T2 (en) 2008-12-23 2017-01-30 Clariant Prod (Italia) Spa Catalysts for oxidation of ammonia
EP2485837A4 (en) 2009-10-08 2013-05-22 Grace W R & Co SWEEP TOLERANT TONERDE CATALYST SYSTEMS
US11130116B2 (en) 2015-09-22 2021-09-28 Basf Corporation Sulfur-tolerant catalytic system
CN112642428B (zh) * 2019-10-12 2023-05-02 中国石油化工股份有限公司 催化剂及其制备方法和应用以及废气的处理方法
JP2023547301A (ja) 2020-10-30 2023-11-10 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー ガソリンエンジン排気ガス処理のための新規トリメタル白金族金属（ｐｇｍ、ｐｌａｔｉｎｕｍ ｇｒｏｕｐ ｍｅｔａｌ）触媒
US11788450B2 (en) * 2020-10-30 2023-10-17 Johnson Matthey Public Limited Company TWC catalysts for gasoline engine exhaust gas treatments
CN117942971B (zh) * 2023-12-18 2024-08-09 北京科技大学 富含金属缺陷氧化铈纳米棒的硫化氢氧化催化剂的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51104488A (en) * 1975-03-13 1976-09-16 Toyota Motor Co Ltd Shokubaitantai oyobi shokubai
JPS5227086A (en) * 1975-08-28 1977-03-01 Nissan Motor Co Ltd Catalyst for purification of exhaust gas
US4233183A (en) * 1979-02-06 1980-11-11 Hitachi Shipbuilding & Engineering Co., Ltd. Process for producing plate-shaped denitrating catalyst
DE2907106C2 (de) * 1979-02-23 1985-12-19 Degussa Ag, 6000 Frankfurt Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen
JPS609861B2 (ja) * 1979-12-19 1985-03-13 株式会社豊田中央研究所 排気ガス浄化用触媒
FR2546078B1 (fr) * 1983-05-19 1987-05-07 Pro Catalyse Procede de fabrication de catalyseurs pour le traitement des gaz d'echappement des moteurs a combustion interne
FR2568143B1 (fr) * 1984-07-30 1986-12-05 Prod Catalyse Ste Fse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne

Also Published As

Publication number Publication date
ES2014396A4 (es) 1990-07-16
CA1335278C (en) 1995-04-18
ES2014396T3 (es) 1993-11-01
ZA895626B (en) 1990-05-30
EP0358125A3 (en) 1990-08-01
FI96746C (fi) 1996-08-26
FI96746B (fi) 1996-05-15
KR900004400A (ko) 1990-04-12
DE3830318C2 (es) 1990-08-30
EP0358125A2 (de) 1990-03-14
JP3130904B2 (ja) 2001-01-31
FI894227L (fi) 1990-03-08
JPH02111442A (ja) 1990-04-24
BR8904438A (pt) 1990-10-02
DE58903941D1 (de) 1993-05-06
FI894227A0 (fi) 1989-09-07
EP0358125B1 (de) 1993-03-31
DE3830318A1 (de) 1990-03-15
US4963521A (en) 1990-10-16

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