IT1056395B - Metodo per produrre catalizzatori per il trattamento di gas di scarico - Google Patents
Metodo per produrre catalizzatori per il trattamento di gas di scaricoInfo
- Publication number
- IT1056395B IT1056395B IT83338/75A IT8333875A IT1056395B IT 1056395 B IT1056395 B IT 1056395B IT 83338/75 A IT83338/75 A IT 83338/75A IT 8333875 A IT8333875 A IT 8333875A IT 1056395 B IT1056395 B IT 1056395B
- Authority
- IT
- Italy
- Prior art keywords
- treatment
- exhaust gas
- produce catalysts
- catalysts
- produce
- 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
- B01D53/9445—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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- 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)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US452417A US3901821A (en) | 1974-03-18 | 1974-03-18 | Multi-component catalyst |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1056395B true IT1056395B (it) | 1982-01-30 |
Family
ID=23796375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT83338/75A IT1056395B (it) | 1974-03-18 | 1975-03-17 | Metodo per produrre catalizzatori per il trattamento di gas di scarico |
Country Status (4)
Country | Link |
---|---|
US (1) | US3901821A (it) |
JP (1) | JPS5710774B2 (it) |
CA (1) | CA1033345A (it) |
IT (1) | IT1056395B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2512410C3 (de) * | 1975-03-21 | 1985-04-18 | Didier Engineering Gmbh, 4300 Essen | Verfahren zur Entfernung von Stickoxiden und Anlage zur Durchführung des Verfahrens |
US4208454A (en) * | 1978-01-19 | 1980-06-17 | General Motors Corporation | Method for coating catalyst supports |
JPS5499090A (en) * | 1978-01-23 | 1979-08-04 | Nissan Motor Co Ltd | Monolithic catalyst structure and production thereof |
JPS6012136A (ja) * | 1983-07-04 | 1985-01-22 | Toyota Motor Corp | モノリス担体のコ−ト法及び担持法 |
US4550034A (en) * | 1984-04-05 | 1985-10-29 | Engelhard Corporation | Method of impregnating ceramic monolithic structures with predetermined amounts of catalyst |
JPS61287451A (ja) * | 1985-06-13 | 1986-12-17 | Nippon Denso Co Ltd | 排ガス浄化用触媒担体 |
SE462143C (sv) * | 1988-03-07 | 1996-01-18 | Heraeus Gmbh W C | Katalysator för bilavgasrening, förfarande för framställning därav samt användning därav |
DE3912915C1 (it) * | 1989-04-20 | 1990-12-13 | Degussa Ag, 6000 Frankfurt, De | |
DE19636557B4 (de) * | 1996-09-09 | 2005-02-03 | Framatome Anp Gmbh | Verwendung eines Katalysatorsystems und Rekombinationseinrichtung zur Rekombination von Wasserstoff und Sauerstoff, insbesondere für ein Kernkraftwerk |
US7033969B1 (en) | 1997-12-10 | 2006-04-25 | Volvo Car Corporation | Porous material, method and arrangement for catalytic conversion of exhaust gases |
ATE306986T1 (de) * | 2000-08-30 | 2005-11-15 | Haldor Topsoe As | Katalysatorpartikel zur hydrobehandlung |
DE10104226A1 (de) * | 2001-01-31 | 2002-08-01 | Basf Ag | Kern/Mantel-Katalysatorformkörper |
LU90900B1 (en) * | 2002-03-07 | 2003-10-27 | Delphi Tech Inc | Multizone catalytic converter |
ITMI20041086A1 (it) * | 2004-05-28 | 2004-08-28 | Baerlocher Italia S P A | Procedimento per la preparazione di idrocarbilalogenuri |
GB2557644A (en) * | 2016-12-14 | 2018-06-27 | Ford Global Tech Llc | Improvements in or relating to flow optimised washcoating |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2544264A (en) * | 1947-09-09 | 1951-03-06 | Beckwith Mfg Co | Shoe protector |
US3226340A (en) * | 1960-05-04 | 1965-12-28 | Ethyl Corp | Catalyst compositions comprising alumina with an inner lamina of metal oxide and an outermost lamina of copper oxide |
US3288558A (en) * | 1964-05-08 | 1966-11-29 | Grace W R & Co | Internal combustion engine exhaust gas treating process |
US3503715A (en) * | 1968-04-05 | 1970-03-31 | Universal Oil Prod Co | Apparatus for treating an exhaust gas stream with different catalyst beds |
US3701823A (en) * | 1970-09-02 | 1972-10-31 | Universal Oil Prod Co | Method and means for two-stage catalytic treating of engine exhaust gases |
US3730691A (en) * | 1971-04-26 | 1973-05-01 | Ford Motor Co | Multiple bed catalytic converter |
-
1974
- 1974-03-18 US US452417A patent/US3901821A/en not_active Expired - Lifetime
- 1974-12-18 CA CA216,348A patent/CA1033345A/en not_active Expired
-
1975
- 1975-02-18 JP JP2027275A patent/JPS5710774B2/ja not_active Expired
- 1975-03-17 IT IT83338/75A patent/IT1056395B/it active
Also Published As
Publication number | Publication date |
---|---|
CA1033345A (en) | 1978-06-20 |
JPS50125983A (it) | 1975-10-03 |
US3901821A (en) | 1975-08-26 |
DE2510775B2 (de) | 1977-06-16 |
DE2510775A1 (de) | 1975-09-25 |
JPS5710774B2 (it) | 1982-02-27 |
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