JPS4896476A - - Google Patents

Info

Publication number
JPS4896476A
JPS4896476A JP47014983A JP1498372A JPS4896476A JP S4896476 A JPS4896476 A JP S4896476A JP 47014983 A JP47014983 A JP 47014983A JP 1498372 A JP1498372 A JP 1498372A JP S4896476 A JPS4896476 A JP S4896476A
Authority
JP
Japan
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.)
Granted
Application number
JP47014983A
Other languages
Japanese (ja)
Other versions
JPS5230957B2 (enrdf_load_stackoverflow
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 filed Critical
Priority to JP47014983A priority Critical patent/JPS5230957B2/ja
Priority to CA163,356A priority patent/CA1002030A/en
Priority to GB670073A priority patent/GB1423422A/en
Priority to US331888A priority patent/US3928241A/en
Priority to AU52083/73A priority patent/AU474848B2/en
Priority to DE19732306785 priority patent/DE2306785C3/de
Publication of JPS4896476A publication Critical patent/JPS4896476A/ja
Publication of JPS5230957B2 publication Critical patent/JPS5230957B2/ja
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)
JP47014983A 1972-02-12 1972-02-12 Expired JPS5230957B2 (enrdf_load_stackoverflow)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP47014983A JPS5230957B2 (enrdf_load_stackoverflow) 1972-02-12 1972-02-12
CA163,356A CA1002030A (en) 1972-02-12 1973-02-09 Catalysts for purifying exhaust gas and methods of manufacturing same
GB670073A GB1423422A (en) 1972-02-12 1973-02-12 Catalysts for purifying exhaust gas and methods of manufacturing same
US331888A US3928241A (en) 1972-02-12 1973-02-12 Catalysts for purifying exhaust gas
AU52083/73A AU474848B2 (en) 1972-02-12 1973-02-12 Catalysts for purifying exhaust gas and methods of manufacturing same
DE19732306785 DE2306785C3 (de) 1972-02-12 1973-02-12 Katalysator zur Entfernung von Stickoxid aus Abgasen

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS4896476A true JPS4896476A (enrdf_load_stackoverflow) 1973-12-10
JPS5230957B2 JPS5230957B2 (enrdf_load_stackoverflow) 1977-08-11

Family

ID=11876184

Family Applications (1)

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

Country Status (5)

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

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
US3928241A (en) 1975-12-23
CA1002030A (en) 1976-12-21
AU474848B2 (en) 1976-08-05
JPS5230957B2 (enrdf_load_stackoverflow) 1977-08-11
GB1423422A (en) 1976-02-04
AU5208373A (en) 1974-08-15
DE2306785A1 (de) 1973-08-23
DE2306785B2 (de) 1976-09-02

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