FR2171998A1 - Catalysts for the redn of nitrogen oxides - comprising nickel and/or cobalt sulphide supported on nickel and/or cobalt - Google Patents

Catalysts for the redn of nitrogen oxides - comprising nickel and/or cobalt sulphide supported on nickel and/or cobalt

Info

Publication number
FR2171998A1
FR2171998A1 FR7205522A FR7205522A FR2171998A1 FR 2171998 A1 FR2171998 A1 FR 2171998A1 FR 7205522 A FR7205522 A FR 7205522A FR 7205522 A FR7205522 A FR 7205522A FR 2171998 A1 FR2171998 A1 FR 2171998A1
Authority
FR
France
Prior art keywords
nickel
cobalt
sulphide
pref
redn
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.)
Granted
Application number
FR7205522A
Other languages
English (en)
French (fr)
Other versions
FR2171998B1 (enExample
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.)
OXY FRANCE
Original Assignee
OXY FRANCE
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
Priority to BE794693D priority Critical patent/BE794693A/xx
Application filed by OXY FRANCE filed Critical OXY FRANCE
Priority to FR7205522A priority patent/FR2171998A1/fr
Priority to FR7231395A priority patent/FR2197648B2/fr
Priority to IT1930473A priority patent/IT978231B/it
Priority to NL7301298A priority patent/NL7301298A/xx
Priority to AU51903/73A priority patent/AU5190373A/en
Priority to DE19732307342 priority patent/DE2307342A1/de
Priority to AR24664873A priority patent/AR194301A1/es
Priority to BR117773A priority patent/BR7301177D0/pt
Priority to JP48020103A priority patent/JPS4894695A/ja
Publication of FR2171998A1 publication Critical patent/FR2171998A1/fr
Application granted granted Critical
Publication of FR2171998B1 publication Critical patent/FR2171998B1/fr
Granted legal-status Critical Current

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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04—Sulfides
    • B01J27/043—Sulfides with iron group metals or platinum 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/20—Sulfiding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • 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
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7205522A 1972-02-18 1972-02-18 Catalysts for the redn of nitrogen oxides - comprising nickel and/or cobalt sulphide supported on nickel and/or cobalt Granted FR2171998A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
BE794693D BE794693A (fr) 1972-02-18 Catalyseur pour la reduction du taux des oxydes d'azote dans les gaz d'echappement des moteurs a explosion
FR7205522A FR2171998A1 (en) 1972-02-18 1972-02-18 Catalysts for the redn of nitrogen oxides - comprising nickel and/or cobalt sulphide supported on nickel and/or cobalt
FR7231395A FR2197648B2 (enExample) 1972-02-18 1972-09-05
IT1930473A IT978231B (it) 1972-02-18 1973-01-17 Catalizzatore di riduzione delle aliquote di azoto nei gas di sca rico dei motori a scoppio
NL7301298A NL7301298A (enExample) 1972-02-18 1973-01-30
AU51903/73A AU5190373A (en) 1972-02-18 1973-02-07 Catalyst for reducing the nitrogen oxides content of exhaust gases from combustion engines
DE19732307342 DE2307342A1 (de) 1972-02-18 1973-02-15 Katalysator zur verringerung des gehaltes an stickstoffoxiden in den auspuffgasen von explosionsmotoren
AR24664873A AR194301A1 (es) 1972-02-18 1973-02-16 Catalizador de reduccion de oxidos de nitrogeno,a base de sulfuro de niquel y/o sulfuro de cobalto
BR117773A BR7301177D0 (pt) 1972-02-18 1973-02-16 Composicao catalisadora e processo de preparacao da mesma
JP48020103A JPS4894695A (enExample) 1972-02-18 1973-02-19

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7205522A FR2171998A1 (en) 1972-02-18 1972-02-18 Catalysts for the redn of nitrogen oxides - comprising nickel and/or cobalt sulphide supported on nickel and/or cobalt
FR7231395A FR2197648B2 (enExample) 1972-02-18 1972-09-05

Publications (2)

Publication Number Publication Date
FR2171998A1 true FR2171998A1 (en) 1973-09-28
FR2171998B1 FR2171998B1 (enExample) 1974-09-13

Family

ID=26216912

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7205522A Granted FR2171998A1 (en) 1972-02-18 1972-02-18 Catalysts for the redn of nitrogen oxides - comprising nickel and/or cobalt sulphide supported on nickel and/or cobalt
FR7231395A Expired FR2197648B2 (enExample) 1972-02-18 1972-09-05

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7231395A Expired FR2197648B2 (enExample) 1972-02-18 1972-09-05

Country Status (8)

Country Link
JP (1) JPS4894695A (enExample)
AR (1) AR194301A1 (enExample)
AU (1) AU5190373A (enExample)
BE (1) BE794693A (enExample)
DE (1) DE2307342A1 (enExample)
FR (2) FR2171998A1 (enExample)
IT (1) IT978231B (enExample)
NL (1) NL7301298A (enExample)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
AU5190373A (en) 1974-08-08
FR2171998B1 (enExample) 1974-09-13
AR194301A1 (es) 1973-06-29
FR2197648A2 (enExample) 1974-03-29
NL7301298A (enExample) 1973-08-21
BE794693A (fr) 1973-05-16
IT978231B (it) 1974-09-20
FR2197648B2 (enExample) 1975-06-13
DE2307342A1 (de) 1973-08-30
JPS4894695A (enExample) 1973-12-05

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Legal Events

Date Code Title Description
ST Notification of lapse