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 (de
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 DE19732306785 priority patent/DE2306785C3/de
Priority to AU52083/73A priority patent/AU474848B2/en
Priority to GB670073A priority patent/GB1423422A/en
Priority to US331888A priority patent/US3928241A/en
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 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP47014983A JPS5230957B2 (de) 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
DE19732306785 DE2306785C3 (de) 1972-02-12 1973-02-12 Katalysator zur Entfernung von Stickoxid aus Abgasen
AU52083/73A AU474848B2 (en) 1972-02-12 1973-02-12 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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=11876184

Family Applications (1)

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

Country Status (5)

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

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
JP2015212541A (ja) * 2014-04-18 2015-11-26 株式会社アツミテック 排ガス浄化性能維持システム及び排ガス浄化性能維持方法

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

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