IT8220231A0 - Catalizzatori di metalli del gruppo del platino supportati con penetrazione del metallo controllata. - Google Patents
Catalizzatori di metalli del gruppo del platino supportati con penetrazione del metallo controllata.Info
- Publication number
- IT8220231A0 IT8220231A0 IT8220231A IT2023182A IT8220231A0 IT 8220231 A0 IT8220231 A0 IT 8220231A0 IT 8220231 A IT8220231 A IT 8220231A IT 2023182 A IT2023182 A IT 2023182A IT 8220231 A0 IT8220231 A0 IT 8220231A0
- Authority
- IT
- Italy
- Prior art keywords
- platinum group
- catalyst supported
- penetration
- controlled
- metal catalyst
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title 2
- 239000002184 metal Substances 0.000 title 2
- 239000003054 catalyst Substances 0.000 title 1
- 230000035515 penetration Effects 0.000 title 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title 1
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
- B01D53/9445—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
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—Rhodium
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/396—Distribution of the active metal ingredient
-
- 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)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/253,970 US4405506A (en) | 1981-04-13 | 1981-04-13 | Supported platinum group metal catalysts with controlled metal penetration |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8220231A0 true IT8220231A0 (it) | 1982-03-17 |
IT1150691B IT1150691B (it) | 1986-12-17 |
Family
ID=22962412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20231/82A IT1150691B (it) | 1981-04-13 | 1982-03-17 | Catalizzatori di metalli del gruppo del platino supportati con penetrazione del metallo controllata |
Country Status (6)
Country | Link |
---|---|
US (1) | US4405506A (it) |
JP (1) | JPS57174137A (it) |
DE (1) | DE3213141A1 (it) |
FR (1) | FR2503580A1 (it) |
GB (1) | GB2096482B (it) |
IT (1) | IT1150691B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4591580A (en) * | 1983-01-26 | 1986-05-27 | W. R. Grace & Co. | Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same |
SE462143C (sv) * | 1988-03-07 | 1996-02-19 | Heraeus Gmbh W C | Katalysator för bilavgasrening, förfarande för framställning därav samt användning därav |
JP2001070794A (ja) * | 1999-09-03 | 2001-03-21 | Japan Energy Corp | 白金族金属成分を含有した固体酸触媒 |
JP4019357B2 (ja) * | 2002-05-02 | 2007-12-12 | 日産自動車株式会社 | 排気ガス浄化用触媒粉末の製造方法及び排気ガス浄化触媒の製造方法 |
DE102008023472B4 (de) | 2008-05-14 | 2021-12-09 | Clariant Produkte (Deutschland) Gmbh | Verfahren zur Herstellung einer Platinkatalysator-Vorstufe, Katalysator-Vorstufe oder Katalysator und dessen Verwendung |
JP2023545787A (ja) * | 2020-10-09 | 2023-10-31 | ビーエーエスエフ コーポレーション | 白金-ロジウムの二金属成分を含む三元変換触媒組成物 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4102819A (en) * | 1973-12-28 | 1978-07-25 | Prototech, Inc. | Finely particulated colloidal platinum, compound and sol for producing the same, and method of preparation |
US3932309A (en) * | 1974-06-05 | 1976-01-13 | W. R. Grace & Co. | Auto exhaust catalysts prepared from sulfite treated platinum and palladium salt solutions |
US4128506A (en) * | 1978-01-23 | 1978-12-05 | General Motors Corporation | Platinum-rhodium catalyst for automotive emission control |
-
1981
- 1981-04-13 US US06/253,970 patent/US4405506A/en not_active Expired - Lifetime
-
1982
- 1982-03-17 IT IT20231/82A patent/IT1150691B/it active
- 1982-03-25 GB GB8208788A patent/GB2096482B/en not_active Expired
- 1982-03-30 JP JP57050295A patent/JPS57174137A/ja active Pending
- 1982-04-08 DE DE19823213141 patent/DE3213141A1/de not_active Withdrawn
- 1982-04-09 FR FR8206284A patent/FR2503580A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2503580B1 (it) | 1985-03-29 |
JPS57174137A (en) | 1982-10-26 |
DE3213141A1 (de) | 1982-11-11 |
GB2096482B (en) | 1984-11-28 |
GB2096482A (en) | 1982-10-20 |
FR2503580A1 (fr) | 1982-10-15 |
US4405506A (en) | 1983-09-20 |
IT1150691B (it) | 1986-12-17 |
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