FR2171998B1 - - Google Patents
Info
- Publication number
- FR2171998B1 FR2171998B1 FR7205522A FR7205522A FR2171998B1 FR 2171998 B1 FR2171998 B1 FR 2171998B1 FR 7205522 A FR7205522 A FR 7205522A FR 7205522 A FR7205522 A FR 7205522A FR 2171998 B1 FR2171998 B1 FR 2171998B1
- Authority
- FR
- France
- 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
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)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
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 (ru) | 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 (ru) | 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 (ru) | 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 (ru) | 1972-02-18 | 1972-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2171998A1 FR2171998A1 (en) | 1973-09-28 |
| FR2171998B1 true FR2171998B1 (ru) | 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 (ru) | 1972-02-18 | 1972-09-05 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7231395A Expired FR2197648B2 (ru) | 1972-02-18 | 1972-09-05 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4894695A (ru) |
| AR (1) | AR194301A1 (ru) |
| AU (1) | AU5190373A (ru) |
| BE (1) | BE794693A (ru) |
| DE (1) | DE2307342A1 (ru) |
| FR (2) | FR2171998A1 (ru) |
| IT (1) | IT978231B (ru) |
| NL (1) | NL7301298A (ru) |
-
0
- BE BE794693D patent/BE794693A/xx unknown
-
1972
- 1972-02-18 FR FR7205522A patent/FR2171998A1/fr active Granted
- 1972-09-05 FR FR7231395A patent/FR2197648B2/fr not_active Expired
-
1973
- 1973-01-17 IT IT1930473A patent/IT978231B/it active
- 1973-01-30 NL NL7301298A patent/NL7301298A/xx unknown
- 1973-02-07 AU AU51903/73A patent/AU5190373A/en not_active Expired
- 1973-02-15 DE DE19732307342 patent/DE2307342A1/de active Pending
- 1973-02-16 AR AR24664873A patent/AR194301A1/es active
- 1973-02-19 JP JP48020103A patent/JPS4894695A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2197648B2 (ru) | 1975-06-13 |
| FR2197648A2 (ru) | 1974-03-29 |
| FR2171998A1 (en) | 1973-09-28 |
| DE2307342A1 (de) | 1973-08-30 |
| IT978231B (it) | 1974-09-20 |
| NL7301298A (ru) | 1973-08-21 |
| AU5190373A (en) | 1974-08-08 |
| AR194301A1 (es) | 1973-06-29 |
| BE794693A (fr) | 1973-05-16 |
| JPS4894695A (ru) | 1973-12-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |