GB1423422A - Catalysts for purifying exhaust gas and methods of manufacturing same - Google Patents

Catalysts for purifying exhaust gas and methods of manufacturing same

Info

Publication number
GB1423422A
GB1423422A GB670073A GB670073A GB1423422A GB 1423422 A GB1423422 A GB 1423422A GB 670073 A GB670073 A GB 670073A GB 670073 A GB670073 A GB 670073A GB 1423422 A GB1423422 A GB 1423422A
Authority
GB
United Kingdom
Prior art keywords
catalysts
purifying exhaust
methods
exhaust gas
alloy
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
GB670073A
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 Motor Corp
Original Assignee
Toyota Motor Corp
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 Motor Corp filed Critical Toyota Motor Corp
Publication of GB1423422A publication Critical patent/GB1423422A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • 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
    • B01J23/74—Iron group metals
    • 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
    • B01J23/74—Iron group metals
    • B01J23/755—Nickel
    • 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
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/868—Chromium copper and chromium
    • 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
    • B01J37/16—Reducing
    • B01J37/18—Reducing with gases containing free hydrogen
    • 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
    • B01D2255/20753—Nickel
    • 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
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20784—Chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB670073A 1972-02-12 1973-02-12 Catalysts for purifying exhaust gas and methods of manufacturing same Expired GB1423422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47014983A JPS5230957B2 (sv) 1972-02-12 1972-02-12

Publications (1)

Publication Number Publication Date
GB1423422A true GB1423422A (en) 1976-02-04

Family

ID=11876184

Family Applications (1)

Application Number Title Priority Date Filing Date
GB670073A Expired GB1423422A (en) 1972-02-12 1973-02-12 Catalysts for purifying exhaust gas and methods of manufacturing same

Country Status (5)

Country Link
US (1) US3928241A (sv)
JP (1) JPS5230957B2 (sv)
AU (1) AU474848B2 (sv)
CA (1) CA1002030A (sv)
GB (1) GB1423422A (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642303A (en) * 1985-12-27 1987-02-10 Texaco Inc. Catalyst composition
US5482629A (en) * 1994-12-07 1996-01-09 Universal Environmental Technologies, Inc. Method and apparatus for separating particles from liquids
DE19507179C1 (de) * 1995-03-02 1996-03-28 Krupp Vdm Gmbh Katalysator für die Oxidation von gasförmigen Schwefelverbindungen
US7829035B2 (en) * 2006-01-19 2010-11-09 Massachusetts Institute Of Technology Oxidation catalyst
US20170113186A1 (en) * 2014-04-18 2017-04-27 Atsumitec Co., Ltd. Exhaust gas purification system, catalyst, and exhaust gas purification method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564844A (en) * 1948-05-06 1951-08-21 Battelle Development Corp Copper-iron-chromium alloy
US3206414A (en) * 1962-07-10 1965-09-14 Gunther Arnold Method of preparing a catalyst composition comprising nickel, iron and copper and the product thereof
US3565574A (en) * 1968-04-23 1971-02-23 Exxon Research Engineering Co Catalytic conversion of exhaust gas impurities
US3718733A (en) * 1970-02-20 1973-02-27 North American Rockwell Catalytic treatment of exhaust gases
US3699683A (en) * 1971-04-05 1972-10-24 Chemical Construction Corp Engine exhaust emission control system
US3773894A (en) * 1971-07-22 1973-11-20 Exxon Nitrogen oxide conversion using reinforced nickel-copper catalysts

Also Published As

Publication number Publication date
JPS5230957B2 (sv) 1977-08-11
CA1002030A (en) 1976-12-21
DE2306785B2 (de) 1976-09-02
AU5208373A (en) 1974-08-15
AU474848B2 (en) 1976-08-05
JPS4896476A (sv) 1973-12-10
DE2306785A1 (de) 1973-08-23
US3928241A (en) 1975-12-23

Similar Documents

Publication Publication Date Title
EP0399203A3 (de) Monolith-bzw. wabenförmiger Katalysator
GB1493810A (en) Method of preparing a supported catalyst
GB1405405A (en) Platinum group metal catalysts
GB1415155A (en) Catalysis
GB1404855A (en) Catalytic purification of exhaust gases
GB1437216A (en) Oxidation of carbonaceous material
DE3267723D1 (en) Catalysts
CA2009029A1 (en) Support material for three-way catalysts containing platinum group metal and having reduced tendency for h2s emission
GB1423422A (en) Catalysts for purifying exhaust gas and methods of manufacturing same
GB1509100A (en) Metallic catalyst support
CA2134435A1 (en) Process for Producing a Highly Porous Catalyst Layer Consisting of a Palladium or Platinum Alloy
SE7500466L (sv)
GB1449224A (en) Use of alloys as catalysts and process using such catalysts for conversion of nitrogen oxide pollutants in automotive exhaust gases
US3886095A (en) Catalyst for the reduction of automobile exhaust gases
GB1534047A (en) Catalyst suitable for oxidising the harmful constituents of engine exhaust gases
FR2221172A1 (en) Catalytic redn of nitrogen oxides - in combustion motor waste gases using zeolite contg. transition metals
US4111849A (en) Low copper NOx reduction catalyst
JPS5319189A (en) Oxidation catalyst
JPS5312768A (en) Removing method for organic compounds or carbon monoxide in exhaust gas
GB1477407A (en) Catalyst support and method for preparing the same
JPS5223592A (en) Heat resistant catalyst for oxidation
US3931049A (en) Method for producing a catalyst
US3921886A (en) Method for producing a catalyst
SE8406497D0 (sv) Metod for framstellning av nitrobibenzylsystem
GB1396080A (en) Process for the oxidation of carbon monoxide and hydrocarbons

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee