DE2222467A1 - Verfahren zur katalytischen behandlung von abgasen von verbrennungsmotoren - Google Patents

Verfahren zur katalytischen behandlung von abgasen von verbrennungsmotoren

Info

Publication number
DE2222467A1
DE2222467A1 DE19722222467 DE2222467A DE2222467A1 DE 2222467 A1 DE2222467 A1 DE 2222467A1 DE 19722222467 DE19722222467 DE 19722222467 DE 2222467 A DE2222467 A DE 2222467A DE 2222467 A1 DE2222467 A1 DE 2222467A1
Authority
DE
Germany
Prior art keywords
catalyst
stage
gases
oxygen
range
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.)
Pending
Application number
DE19722222467
Other languages
German (de)
English (en)
Inventor
Keith Farmery
Alan Kay
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE2222467A1 publication Critical patent/DE2222467A1/de
Pending 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • 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
    • B01D2255/20753—Nickel

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)
DE19722222467 1971-05-07 1972-05-08 Verfahren zur katalytischen behandlung von abgasen von verbrennungsmotoren Pending DE2222467A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1372271A GB1384248A (en) 1971-05-07 1971-05-07 Catalytic process

Publications (1)

Publication Number Publication Date
DE2222467A1 true DE2222467A1 (de) 1973-01-11

Family

ID=10028187

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722222467 Pending DE2222467A1 (de) 1971-05-07 1972-05-08 Verfahren zur katalytischen behandlung von abgasen von verbrennungsmotoren

Country Status (5)

Country Link
CH (1) CH538598A (OSRAM)
DE (1) DE2222467A1 (OSRAM)
FR (1) FR2137589B1 (OSRAM)
GB (1) GB1384248A (OSRAM)
ZA (1) ZA723019B (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502866A1 (de) * 1984-09-19 1986-03-20 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Zweistufen-verfahren und vorrichtung zur reinigung von verbrennungsgasen
EP0283913A3 (en) * 1987-03-23 1989-04-26 W.R. Grace & Co.-Conn. (A Connecticut Corp.) Process for removal of nox from fluid streams

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460709A1 (fr) * 1979-07-09 1981-01-30 Renault Dispositif de protection de reacteurs catalytiques
US5010051A (en) * 1989-11-08 1991-04-23 Engelhard Corporation Staged three-way conversion catalyst and method of using the same
US6087295A (en) 1992-12-14 2000-07-11 Asec Manufacturing Reduction of NOx in the exhaust gases from internal combustion engines containing excess oxygen
EP0605991A1 (en) * 1993-01-07 1994-07-13 Ford Motor Company Limited Base metal only catalyst system for internal combustion engines
JPH08103656A (ja) * 1994-10-06 1996-04-23 N E Chemcat Corp 排気ガスの浄化用触媒及びその方法
JP4716087B2 (ja) * 2005-02-18 2011-07-06 トヨタ自動車株式会社 排ガス浄化用触媒
CN108671742A (zh) * 2017-11-21 2018-10-19 南京钟腾化工有限公司 正丁烷法生产顺酐的尾气处理系统及方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502866A1 (de) * 1984-09-19 1986-03-20 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Zweistufen-verfahren und vorrichtung zur reinigung von verbrennungsgasen
EP0283913A3 (en) * 1987-03-23 1989-04-26 W.R. Grace & Co.-Conn. (A Connecticut Corp.) Process for removal of nox from fluid streams

Also Published As

Publication number Publication date
GB1384248A (en) 1975-02-19
CH538598A (de) 1973-06-30
ZA723019B (en) 1974-01-30
FR2137589B1 (OSRAM) 1975-08-01
FR2137589A1 (OSRAM) 1972-12-29

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