GB1384248A - Catalytic process - Google Patents

Catalytic process

Info

Publication number
GB1384248A
GB1384248A GB1372271A GB1372271A GB1384248A GB 1384248 A GB1384248 A GB 1384248A GB 1372271 A GB1372271 A GB 1372271A GB 1372271 A GB1372271 A GB 1372271A GB 1384248 A GB1384248 A GB 1384248A
Authority
GB
United Kingdom
Prior art keywords
catalyst
stage
over
oxygen
oxidation
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
GB1372271A
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.)
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
Priority to GB1372271A priority Critical patent/GB1384248A/en
Priority to ZA723019A priority patent/ZA723019B/xx
Priority to CH667172A priority patent/CH538598A/de
Priority to FR7216239A priority patent/FR2137589B1/fr
Priority to IT2403672A priority patent/IT968396B/it
Priority to DE19722222467 priority patent/DE2222467A1/de
Publication of GB1384248A publication Critical patent/GB1384248A/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
    • B01D53/9459—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)
GB1372271A 1971-05-07 1971-05-07 Catalytic process Expired GB1384248A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1372271A GB1384248A (en) 1971-05-07 1971-05-07 Catalytic process
ZA723019A ZA723019B (en) 1971-05-07 1972-05-03 Catalytic process
CH667172A CH538598A (de) 1971-05-07 1972-05-05 Verfahren und Reaktor zur Entfernung von Stickoxiden aus Sauerstoff enthaltenden Abgasen von Verbrennungskraftmaschinen
FR7216239A FR2137589B1 (enExample) 1971-05-07 1972-05-05
IT2403672A IT968396B (it) 1971-05-07 1972-05-06 Processo catalitico per il tratta mento dei gas di scarico di motori a combustione interna
DE19722222467 DE2222467A1 (de) 1971-05-07 1972-05-08 Verfahren zur katalytischen behandlung von abgasen von verbrennungsmotoren

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
GB1384248A true GB1384248A (en) 1975-02-19

Family

ID=10028187

Family Applications (1)

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

Country Status (5)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531972A (en) * 1989-11-08 1996-07-02 Engelhard Corporation Staged three-way conversion catalyst and method of using the same
EP0707883A3 (en) * 1994-10-06 1996-09-25 N E Chemcat Corp Catalytic converter and method for cleaning exhaust gases
US5618505A (en) * 1993-01-07 1997-04-08 Ford Motor Company Method for converting lean-burn engine exhust gases using a two stage catalyst system
WO2000000272A1 (en) * 1998-06-30 2000-01-06 Asec Manufacturing Reduction of nitrogen oxides in the exhaust gases from internal combustion engines
WO2006087920A1 (en) * 2005-02-18 2006-08-24 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst

Families Citing this family (4)

* 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
DE3502866A1 (de) * 1984-09-19 1986-03-20 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Zweistufen-verfahren und vorrichtung zur reinigung von verbrennungsgasen
US4912776A (en) * 1987-03-23 1990-03-27 W. R. Grace & Co.-Conn. Process for removal of NOx from fluid streams
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531972A (en) * 1989-11-08 1996-07-02 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
US6365118B1 (en) 1992-12-14 2002-04-02 Delphi Technologies, Inc. Reduction of NOx in the exhaust from leanOx internal combustion engines
US5618505A (en) * 1993-01-07 1997-04-08 Ford Motor Company Method for converting lean-burn engine exhust gases using a two stage catalyst system
EP0707883A3 (en) * 1994-10-06 1996-09-25 N E Chemcat Corp Catalytic converter and method for cleaning exhaust gases
WO2000000272A1 (en) * 1998-06-30 2000-01-06 Asec Manufacturing Reduction of nitrogen oxides in the exhaust gases from internal combustion engines
WO2006087920A1 (en) * 2005-02-18 2006-08-24 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst
US7598205B2 (en) 2005-02-18 2009-10-06 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst

Also Published As

Publication number Publication date
FR2137589A1 (enExample) 1972-12-29
CH538598A (de) 1973-06-30
DE2222467A1 (de) 1973-01-11
FR2137589B1 (enExample) 1975-08-01
ZA723019B (en) 1974-01-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees