GB1459632A - Converter for the purification of exhaust gases - Google Patents

Converter for the purification of exhaust gases

Info

Publication number
GB1459632A
GB1459632A GB1481174A GB1481174A GB1459632A GB 1459632 A GB1459632 A GB 1459632A GB 1481174 A GB1481174 A GB 1481174A GB 1481174 A GB1481174 A GB 1481174A GB 1459632 A GB1459632 A GB 1459632A
Authority
GB
United Kingdom
Prior art keywords
oxide
copper
platinum
exhaust gases
layer
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
GB1481174A
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.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
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 Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Publication of GB1459632A publication Critical patent/GB1459632A/en
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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2061—Yttrium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • B01D2255/9022—Two layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB1481174A 1973-04-03 1974-04-03 Converter for the purification of exhaust gases Expired GB1459632A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3742773A JPS5341636B2 (US06826419-20041130-M00005.png) 1973-04-03 1973-04-03

Publications (1)

Publication Number Publication Date
GB1459632A true GB1459632A (en) 1976-12-22

Family

ID=12497205

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1481174A Expired GB1459632A (en) 1973-04-03 1974-04-03 Converter for the purification of exhaust gases

Country Status (2)

Country Link
JP (1) JPS5341636B2 (US06826419-20041130-M00005.png)
GB (1) GB1459632A (US06826419-20041130-M00005.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643114A1 (fr) * 1989-02-16 1990-08-17 Mohammed Boubehira Pot d'echappement composite catalytique
US5356598A (en) * 1989-02-16 1994-10-18 Mohamed Boubehira Catalytic exhaust unit for an automobile vehicle
EP2749351A1 (en) * 2012-12-26 2014-07-02 Lotte Chemical Corporation of (Sindaebang-dong) A catalyst for reductive amination-reaction and uses thereof
CN103920498A (zh) * 2013-01-10 2014-07-16 乐天化学株式会社 用于还原性胺化反应的催化剂及其应用

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820309B2 (ja) * 1976-06-02 1983-04-22 大阪瓦斯株式会社 排ガス中のＮＯ↓ｘ還元除去用触媒組成物
JPS6185135U (US06826419-20041130-M00005.png) * 1985-11-08 1986-06-04

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643114A1 (fr) * 1989-02-16 1990-08-17 Mohammed Boubehira Pot d'echappement composite catalytique
EP0384853A2 (fr) * 1989-02-16 1990-08-29 Mohammed Boubehira Pot catalytique pour véhicules automobiles
EP0384853A3 (en) * 1989-02-16 1990-10-17 Mohammed Boubehira Catalytic reactor, specifically a catalyst for motor vehicle exhaust gases
US5356598A (en) * 1989-02-16 1994-10-18 Mohamed Boubehira Catalytic exhaust unit for an automobile vehicle
EP2749351A1 (en) * 2012-12-26 2014-07-02 Lotte Chemical Corporation of (Sindaebang-dong) A catalyst for reductive amination-reaction and uses thereof
US8895784B2 (en) 2012-12-26 2014-11-25 Lotte Chemical Corporation Catalyst for reductive amination-reaction and uses thereof
CN103920498A (zh) * 2013-01-10 2014-07-16 乐天化学株式会社 用于还原性胺化反应的催化剂及其应用
CN103920498B (zh) * 2013-01-10 2016-04-20 乐天化学株式会社 用于还原性胺化反应的催化剂及其应用

Also Published As

Publication number Publication date
JPS5341636B2 (US06826419-20041130-M00005.png) 1978-11-06
JPS49123473A (US06826419-20041130-M00005.png) 1974-11-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee