IT997567B - Procedimento per la rimozione di ossidi di azoto da gas di scarico - Google Patents

Procedimento per la rimozione di ossidi di azoto da gas di scarico

Info

Publication number
IT997567B
IT997567B IT52688/73A IT5268873A IT997567B IT 997567 B IT997567 B IT 997567B IT 52688/73 A IT52688/73 A IT 52688/73A IT 5268873 A IT5268873 A IT 5268873A IT 997567 B IT997567 B IT 997567B
Authority
IT
Italy
Prior art keywords
removal
procedure
exhaust gas
nitrogen oxides
oxides
Prior art date
Application number
IT52688/73A
Other languages
English (en)
Italian (it)
Original Assignee
Hitachi Shipbuilding Eng Co
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 Shipbuilding Eng Co filed Critical Hitachi Shipbuilding Eng Co
Application granted granted Critical
Publication of IT997567B publication Critical patent/IT997567B/it

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)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT52688/73A 1972-12-09 1973-09-21 Procedimento per la rimozione di ossidi di azoto da gas di scarico IT997567B (it)

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
IT997567B true IT997567B (it) 1975-12-30

Family

ID=14866164

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52688/73A IT997567B (it) 1972-12-09 1973-09-21 Procedimento per la rimozione di ossidi di azoto da gas di scarico

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
FR2209714B1 (de) 1976-11-19
DE2348295C3 (de) 1979-04-12
DE2348295B2 (de) 1978-08-03
GB1413349A (en) 1975-11-12
JPS5315459B2 (de) 1978-05-25
FR2209714A1 (de) 1974-07-05
NL161676C (nl) 1980-03-17
JPS4984957A (de) 1974-08-15
CA1005219A (en) 1977-02-15
NL7312848A (de) 1974-06-11
DE2348295A1 (de) 1974-07-04
NL161676B (nl) 1979-10-15

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