GB1473951A - Improvements in or relating to catalysts for exhaust gas treatment - Google Patents

Improvements in or relating to catalysts for exhaust gas treatment

Info

Publication number
GB1473951A
GB1473951A GB2371174A GB2371174A GB1473951A GB 1473951 A GB1473951 A GB 1473951A GB 2371174 A GB2371174 A GB 2371174A GB 2371174 A GB2371174 A GB 2371174A GB 1473951 A GB1473951 A GB 1473951A
Authority
GB
United Kingdom
Prior art keywords
catalyst
catalysts
exhaust gases
treatment
exhaust gas
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
GB2371174A
Other languages
English (en)
Inventor
Joseph Peter Remeika
Rudolph Johannes H Voorhoeve
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.)
AT&T Corp
Original Assignee
Western Electric Co 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
Priority claimed from US375948A external-priority patent/US3884837A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1473951A publication Critical patent/GB1473951A/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
    • B01D53/9445—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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • 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
    • B01J23/6562—Manganese
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB2371174A 1973-05-29 1974-05-29 Improvements in or relating to catalysts for exhaust gas treatment Expired GB1473951A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36426073A 1973-05-29 1973-05-29
US375948A US3884837A (en) 1973-07-02 1973-07-02 Catalyst containing a perovskite-like manganite

Publications (1)

Publication Number Publication Date
GB1473951A true GB1473951A (en) 1977-05-18

Family

ID=27002388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2371174A Expired GB1473951A (en) 1973-05-29 1974-05-29 Improvements in or relating to catalysts for exhaust gas treatment

Country Status (7)

Country Link
JP (1) JPS5439277B2 (xx)
DE (1) DE2425343B2 (xx)
FR (1) FR2231424B1 (xx)
GB (1) GB1473951A (xx)
IT (1) IT1014234B (xx)
NL (1) NL7407129A (xx)
SE (1) SE7406976L (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236493A (en) * 1989-10-03 1991-04-10 Riken Kk Exhaust gas purification catalyst
CN112076757A (zh) * 2020-10-02 2020-12-15 武汉纺织大学 一种醋酸刻蚀制备多孔LaCoO3钙钛矿催化剂的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5092880A (xx) * 1973-12-20 1975-07-24
JPS5187187A (xx) * 1975-01-30 1976-07-30 Nissan Motor
CN1004992B (zh) * 1986-07-30 1989-08-16 北京工业大学 制备稀土金属复合氧化物/合金蜂窝体催化剂的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852691A (xx) * 1971-10-19 1973-07-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236493A (en) * 1989-10-03 1991-04-10 Riken Kk Exhaust gas purification catalyst
CN112076757A (zh) * 2020-10-02 2020-12-15 武汉纺织大学 一种醋酸刻蚀制备多孔LaCoO3钙钛矿催化剂的方法

Also Published As

Publication number Publication date
DE2425343C3 (xx) 1979-06-13
JPS5027793A (xx) 1975-03-22
DE2425343A1 (de) 1975-01-02
FR2231424B1 (xx) 1976-12-24
DE2425343B2 (de) 1978-10-26
FR2231424A1 (xx) 1974-12-27
NL7407129A (xx) 1974-12-03
IT1014234B (it) 1977-04-20
SE7406976L (xx) 1974-12-02
JPS5439277B2 (xx) 1979-11-27

Similar Documents

Publication Publication Date Title
GB1503376A (en) Solutions for cleaning surfaces of copper and its alloys
GB1151653A (en) Catalysts suitable for the Conversion of Hydrocarbons, Their Preparation and Use
ID26018A (id) Produksi bodi yang terbentuk
KR960016957A (ko) 염화수소로 부터의 염소제조용 촉매, 그 제조방법 및 염소의 제조방법
JPS51147470A (en) A process for catalytic reduction of nitrogen oxides
ES411067A1 (es) Procedimiento para depuracion del mercurio de gases meta- lurgicos conteniendo anhidrido sufuroso.
JPS51112786A (en) Process for the removal of nitrogen oxide by absorption from exhaust g as
GB1473951A (en) Improvements in or relating to catalysts for exhaust gas treatment
ES462716A1 (es) Procedimiento para las concentraciones de acido sulfurico residual.
GB1159250A (en) Partial Oxidation of Organic Compounds
DE519122C (de) Absorption von Stickoxyden
ES441404A1 (es) Un procedimiento de preparacion de acido 5-fluor-2-metil-1- (p-metilsulfinil-benciliden) indenil-3-acetico.
ES436936A1 (es) Un procedimiento para la fabricacion de composiciones cata- liticas.
GB1449525A (en) Method of stabilizing acid aqueous solutions of hydrogen peroxide
JPS53118218A (en) Stainless steel use in apparatus for purifying automotive exhaust gas
ES471084A1 (es) Procedimiento de obtencion de una composicion para la lim- pieza dental
JPS5738939A (en) Catalyst for treatment of nitrogen oxide and its production
JPS5227720A (en) Process for preparation of leucylagumatine compounds
JPS5242464A (en) Method of reducing and removing nox in exhaust gas
GB1434609A (en) Catalysts
JPS551880A (en) Catalyst
SU521915A1 (ru) Окислительный раствор дл очистки газов,например,ацетилена от фосфина
JPS525673A (en) Treatment process for exhaust gas dust collected water
JPS5334679A (en) Treating method for exhaust gas
JPS5231487A (en) Construction of stern

Legal Events

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