CA1005219A - Reduction of nitrogen oxides and catalyst therefor - Google Patents

Reduction of nitrogen oxides and catalyst therefor

Info

Publication number
CA1005219A
CA1005219A CA181,840A CA181840A CA1005219A CA 1005219 A CA1005219 A CA 1005219A CA 181840 A CA181840 A CA 181840A CA 1005219 A CA1005219 A CA 1005219A
Authority
CA
Canada
Prior art keywords
reduction
nitrogen oxides
catalyst therefor
therefor
catalyst
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
CA181,840A
Other languages
English (en)
Other versions
CA181840S (en
Inventor
Hideya Inaba
Shigenori Onizuka
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen 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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Application granted granted Critical
Publication of CA1005219A publication Critical patent/CA1005219A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/02—Preparation of nitrogen
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
    • G21C19/205—Interchanging of fuel elements in the core, i.e. fuel shuffling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/202—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/204—Carbon monoxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2047—Magnesium
    • 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
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CA181,840A 1972-12-09 1973-09-25 Reduction of nitrogen oxides and catalyst therefor Expired CA1005219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12366272A JPS5315459B2 (de) 1972-12-09 1972-12-09

Publications (1)

Publication Number Publication Date
CA1005219A true CA1005219A (en) 1977-02-15

Family

ID=14866164

Family Applications (1)

Application Number Title Priority Date Filing Date
CA181,840A Expired CA1005219A (en) 1972-12-09 1973-09-25 Reduction of nitrogen oxides and catalyst therefor

Country Status (7)

Country Link
JP (1) JPS5315459B2 (de)
CA (1) CA1005219A (de)
DE (1) DE2348295C3 (de)
FR (1) FR2209714B1 (de)
GB (1) GB1413349A (de)
IT (1) IT997567B (de)
NL (1) NL161676C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1534047A (en) * 1975-05-23 1978-11-29 Ecnpk Chimi I Chimikotech Prob Catalyst suitable for oxidising the harmful constituents of engine exhaust gases
DE2635652C2 (de) * 1976-08-07 1986-10-16 Bergwerksverband Gmbh, 4300 Essen Verfahren zur Beseitigung von Stickstoffoxiden aus sauerstoffarmen Verbrennungsabgasen und anderen Abgasen
DE3312890A1 (de) * 1983-04-11 1984-10-11 Zbigniew Dr. 6078 Neu-Isenburg Boguslawski Verfahren und vorrichtung zur reinigung von verbrennungsgasen aus beispielsweise haushaltsheizungen, verbrennungsmotoren oder dergl. feuerungen
DE3518192A1 (de) * 1984-09-19 1986-11-27 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Zweistufen-verfahren zur reinigung von verbrennungsgasen
DE3917983A1 (de) * 1989-06-02 1990-12-06 Gaswaerme Inst Ev Verfahren und vorrichtung zum vermindern der stickstoffoxid-konzentration eines no(pfeil abwaerts)x(pfeil abwaerts)-haltigen rauchgases
CA2024154C (en) * 1989-08-31 1995-02-14 Senshi Kasahara Catalyst for reducing nitrogen oxides from exhaust gas
DE19600558C2 (de) * 1996-01-09 1998-10-22 Daimler Benz Ag Verfahren zur Verringerung von Stickoxiden in Abgasen von Dieselmotoren
JP3572548B2 (ja) * 2002-05-24 2004-10-06 日本酸素株式会社 ガス精製方法及び装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2924504A (en) * 1956-08-30 1960-02-09 Chemetron Corp Process of removing nitrogen oxides from gas streams of varying composition
FR2134762A5 (en) * 1971-04-19 1972-12-08 Prod Catalyse Fse Decomposing oxides of nitrogen
JPS4956891A (de) * 1972-10-05 1974-06-03

Also Published As

Publication number Publication date
NL7312848A (de) 1974-06-11
NL161676C (nl) 1980-03-17
JPS4984957A (de) 1974-08-15
DE2348295A1 (de) 1974-07-04
JPS5315459B2 (de) 1978-05-25
DE2348295B2 (de) 1978-08-03
NL161676B (nl) 1979-10-15
GB1413349A (en) 1975-11-12
DE2348295C3 (de) 1979-04-12
IT997567B (it) 1975-12-30
FR2209714B1 (de) 1976-11-19
FR2209714A1 (de) 1974-07-05

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