ZA732622B - Catalysts - Google Patents
CatalystsInfo
- Publication number
- ZA732622B ZA732622B ZA732622A ZA732622A ZA732622B ZA 732622 B ZA732622 B ZA 732622B ZA 732622 A ZA732622 A ZA 732622A ZA 732622 A ZA732622 A ZA 732622A ZA 732622 B ZA732622 B ZA 732622B
- Authority
- ZA
- South Africa
- Prior art keywords
- catalysts
- Prior art date
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
-
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the 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
- 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
- B01J23/74—Iron group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1026—Ruthenium
-
- 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
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1757972A GB1431375A (en) | 1972-04-17 | 1972-04-17 | Catalysts |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA732622B true ZA732622B (en) | 1974-12-24 |
Family
ID=10097649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA732622A ZA732622B (en) | 1972-04-17 | 1973-04-17 | Catalysts |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE798085A (en) |
DE (1) | DE2319528A1 (en) |
FR (1) | FR2180832B3 (en) |
GB (1) | GB1431375A (en) |
ZA (1) | ZA732622B (en) |
-
1972
- 1972-04-17 GB GB1757972A patent/GB1431375A/en not_active Expired
-
1973
- 1973-04-11 BE BE129906A patent/BE798085A/en unknown
- 1973-04-16 FR FR7313675A patent/FR2180832B3/fr not_active Expired
- 1973-04-17 ZA ZA732622A patent/ZA732622B/en unknown
- 1973-04-17 DE DE2319528A patent/DE2319528A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2319528A1 (en) | 1973-10-31 |
GB1431375A (en) | 1976-04-07 |
FR2180832B3 (en) | 1976-04-02 |
BE798085A (en) | 1973-10-11 |
FR2180832A1 (en) | 1973-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CS609973A2 (en) | Nosic informace | |
CS283873A2 (en) | Zpusob rafinace tavenin zeleznych kovu | |
ZA73443B (en) | Catalysts | |
GB1405253A (en) | 1- 2-substituted-chromonyloxy-w-hydroxy-3-phenoxy-propanes | |
AU6329873A (en) | Flameprofing | |
GB1374753A (en) | Urethane catalysts | |
AU5166273A (en) | Platinum catalysts | |
AU6362373A (en) | N-propargylacetanilide herbicedes | |
AU5993373A (en) | N-sulphenylated carbamidoximes | |
AU6339073A (en) | Catalytic hydrogenation | |
GB1402226A (en) | 3-cyanochromones | |
GB1401579A (en) | Indolo-quinolizines | |
AU5191873A (en) | Benzylpyrimidines | |
GB1401735A (en) | Imino-lactams | |
AU6332973A (en) | Bulbholders | |
AU5711073A (en) | Benzenesulfonyl-ureas benzenesulfonyl-ureas | |
AU5233473A (en) | Nitro-imidazolyl-pyrimidines | |
GB1400667A (en) | 4-spirocyclopropyl-androstenes | |
AU5983773A (en) | Alkylsulphonyl-2-trifluoromethyl-benzimidazoles | |
GB1405254A (en) | Bis- substituted-henoxy- propanes | |
GB1402045A (en) | 11-o-methanesulphonylerythromycins | |
AU5900173A (en) | Thiazolopyrimidines | |
AU6379973A (en) | Goniolens | |
GB1406396A (en) | Mould-vibrating arragnements | |
GB1404276A (en) | 15-oxygenated-17a-unsubstituted-d-homosteroids |