IT977333B - Processo per trattare gas di sca rico da combustione e relativo catalizzatore - Google Patents

Processo per trattare gas di sca rico da combustione e relativo catalizzatore

Info

Publication number
IT977333B
IT977333B IT48239/73A IT4823973A IT977333B IT 977333 B IT977333 B IT 977333B IT 48239/73 A IT48239/73 A IT 48239/73A IT 4823973 A IT4823973 A IT 4823973A IT 977333 B IT977333 B IT 977333B
Authority
IT
Italy
Prior art keywords
combustion
exhaust gas
treating exhaust
related catalyst
catalyst
Prior art date
Application number
IT48239/73A
Other languages
English (en)
Original Assignee
Chemical Construction 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 Chemical Construction Corp filed Critical Chemical Construction Corp
Application granted granted Critical
Publication of IT977333B publication Critical patent/IT977333B/it

Links

Classifications

    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
    • B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones
    • 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
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/102—Oxygen
    • 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
    • B01D2255/2073—Manganese
    • 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
    • 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
    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT48239/73A 1972-02-14 1973-02-14 Processo per trattare gas di sca rico da combustione e relativo catalizzatore IT977333B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22629672A 1972-02-14 1972-02-14

Publications (1)

Publication Number Publication Date
IT977333B true IT977333B (it) 1974-09-10

Family

ID=22848345

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48239/73A IT977333B (it) 1972-02-14 1973-02-14 Processo per trattare gas di sca rico da combustione e relativo catalizzatore

Country Status (10)

Country Link
JP (1) JPS4892265A (it)
AU (1) AU443910B2 (it)
BR (1) BR7301064D0 (it)
CA (1) CA990478A (it)
DE (1) DE2307269B2 (it)
FR (1) FR2172214B1 (it)
GB (1) GB1403858A (it)
IT (1) IT977333B (it)
NL (1) NL7302030A (it)
SE (1) SE384246B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS169764B2 (it) * 1973-05-09 1976-07-29
GB9720593D0 (en) 1997-09-26 1997-11-26 Exxon Chemical Patents Inc Catalysts and processes using them
JP2012115732A (ja) * 2010-11-29 2012-06-21 Daihatsu Motor Co Ltd 排ガス浄化用触媒

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2109662A5 (en) * 1971-07-16 1972-05-26 Chemical Construction Corp Exhaust gas conversion catalyst - for ic engines comprises alumina-supported copper and cobalt oxides
DD112905A5 (it) * 1971-09-02 1975-05-12 Snam Progetti

Also Published As

Publication number Publication date
JPS4892265A (it) 1973-11-30
AU5167173A (en) 1974-01-10
NL7302030A (it) 1973-08-16
DE2307269B2 (de) 1974-08-29
DE2307269A1 (de) 1973-09-13
AU443910B2 (en) 1974-01-10
GB1403858A (en) 1975-08-28
SE384246B (sv) 1976-04-26
FR2172214A1 (it) 1973-09-28
BR7301064D0 (pt) 1973-11-01
DE2307269C3 (it) 1975-04-30
CA990478A (en) 1976-06-08
FR2172214B1 (it) 1976-09-10

Similar Documents

Publication Publication Date Title
IT1068218B (it) Catalizzatore polifunzionale in particolare per la depurazione di gas di scarico da combustione
IT1061019B (it) Processo di depurazione di gas di scarico
IT1022812B (it) Impianto per la rimozione di ossidi di azoio da gas di scarico di combustione
IT1026094B (it) Procedimento per la rimozione di cssidi di azoto da gas di scarico industrial
IT1009792B (it) Processo per la eliminazione di ossidi di azoto da gas
IT993099B (it) Processo per la rimozione di ossidi di azoto da gas di combustio ne
BR7608733A (pt) Processo para partida de um sistema de combustao utilizando um catalizador,processo para partida de um sistema de turbina a gas,e sistema de turbina
IT977417B (it) Processo di purificazione di gas
IT7319073A1 (it) Procedimento per trattare gas di scarico di autoveicoli.
IT1059560B (it) Processo per rimuovere ossidi di azoto da gas di scarico
IT1016026B (it) Metodo per la produzione di cataliz zatori per la depurazione di gas di scarico e di rifiuto
IT1037985B (it) Metodo ed impianto per depurare gas di scarico
AR199358A1 (es) Silenciador de gases de escape
IT1065068B (it) Processo per l eliminazione di fosgene da gas di scarico
IT990847B (it) Processo di fabbricazione di supporti catalitici per marmitte di scarico e supporti ottenuti secondo questo process
IT974322B (it) Procedimento per asportare ossidi d azoto da gas di scarico
BR7301940D0 (pt) Aparelho para o tratamento catalitico de gas de exaustao
IT1076945B (it) Processo per la depurazione di gas di scarico di automobili
IT998632B (it) Valvola per i gas di scarico
IT963219B (it) Silenziatore di scarico per turbina a gas
IT977333B (it) Processo per trattare gas di sca rico da combustione e relativo catalizzatore
IT962926B (it) Catalizzatore per gas di scarico e metodo per il suo impiego
IT997567B (it) Procedimento per la rimozione di ossidi di azoto da gas di scarico
IT991174B (it) Catalizzatore per il trattamento di gas di scarico
IT956978B (it) Catalizzatori per trattare gas di scarico e metodo per trattare i gas di scarico con questi