IT1028446B - Catalizzatore e procedimento per fabbricarlo - Google Patents
Catalizzatore e procedimento per fabbricarloInfo
- Publication number
- IT1028446B IT1028446B IT19373/75A IT1937375A IT1028446B IT 1028446 B IT1028446 B IT 1028446B IT 19373/75 A IT19373/75 A IT 19373/75A IT 1937375 A IT1937375 A IT 1937375A IT 1028446 B IT1028446 B IT 1028446B
- Authority
- IT
- Italy
- Prior art keywords
- catalyst
- procedure
- manufacturing
- 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
- 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
-
- 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
- B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2402519A DE2402519C3 (de) | 1974-01-19 | 1974-01-19 | Autoabgasreinigungs-Katalysator |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1028446B true IT1028446B (it) | 1979-01-30 |
Family
ID=5905167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19373/75A IT1028446B (it) | 1974-01-19 | 1975-01-17 | Catalizzatore e procedimento per fabbricarlo |
Country Status (8)
Country | Link |
---|---|
US (1) | US4005177A (it) |
JP (1) | JPS50104194A (it) |
DE (1) | DE2402519C3 (it) |
FR (1) | FR2258218B1 (it) |
GB (1) | GB1459711A (it) |
IT (1) | IT1028446B (it) |
NL (1) | NL7500320A (it) |
SE (1) | SE426293B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4189404A (en) * | 1977-01-06 | 1980-02-19 | Engelhard Minerals & Chemicals Corporation | Catalyst and process of its preparation |
US4171289A (en) * | 1977-12-02 | 1979-10-16 | Exxon Research & Engineering Co. | Selective automotive exhaust catalysts and a process for their preparation |
JPS5926341B2 (ja) * | 1978-07-06 | 1984-06-26 | 日立造船株式会社 | 多孔質被膜を有する脱硝触媒 |
JPS55149648A (en) * | 1979-05-12 | 1980-11-21 | Mazda Motor Corp | Catalyst for cleaning automobile exhaust gas |
US4410453A (en) * | 1980-08-25 | 1983-10-18 | Norton Co. | Ethylene oxide catalyst |
DE3405100A1 (de) * | 1984-02-14 | 1985-08-14 | Drägerwerk AG, 2400 Lübeck | Pt-katalysator auf einem traeger als luftreinigungsmittel |
NL8402997A (nl) * | 1984-10-01 | 1986-05-01 | Unilever Nv | Katalysator materiaal. |
DE3830319C1 (it) * | 1988-09-07 | 1989-07-20 | Degussa Ag, 6000 Frankfurt, De | |
US20020131925A1 (en) * | 2000-09-25 | 2002-09-19 | Engelhard Corporation | Ruthenium oxidation catalyst |
EP2090363A1 (en) * | 2008-02-05 | 2009-08-19 | Basf Se | Fischer-Tropsch catalyst containing cobalt on Zinc oxide support doped with either Alumina or Zirconia |
US8658560B1 (en) * | 2012-10-15 | 2014-02-25 | Heesung Catalysts Corporation | Hydrogenation catalyst for nitro-aromatic compounds and method for preparing the same |
JP6786388B2 (ja) * | 2013-07-31 | 2020-11-18 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 亜酸化窒素分解触媒 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3236783A (en) * | 1961-06-09 | 1966-02-22 | Du Pont | Mangano-chromia-manganite catalyst containing chromates |
US3224831A (en) * | 1961-07-12 | 1965-12-21 | Ethyl Corp | Method of treating engine exhaust gas with an oxidation catalyst containing platinum and phosphorus |
US3476508A (en) * | 1965-10-27 | 1969-11-04 | Exxon Research Engineering Co | Catalytic purification treatment of exhaust gas |
US3674423A (en) * | 1970-02-09 | 1972-07-04 | Gen Motors Corp | Catalyst for nitrogen oxide reduction |
US3794588A (en) * | 1971-09-23 | 1974-02-26 | Du Pont | Highly-active supported catalysts |
JPS5338714B2 (it) * | 1971-10-04 | 1978-10-17 | ||
JPS4871388A (it) * | 1971-12-28 | 1973-09-27 | ||
JPS5530900B2 (it) * | 1972-07-25 | 1980-08-14 | ||
JPS4945889A (it) * | 1972-09-07 | 1974-05-01 |
-
1974
- 1974-01-19 DE DE2402519A patent/DE2402519C3/de not_active Expired
-
1975
- 1975-01-10 NL NL7500320A patent/NL7500320A/xx active Search and Examination
- 1975-01-16 FR FR7501342A patent/FR2258218B1/fr not_active Expired
- 1975-01-16 SE SE7500466A patent/SE426293B/xx not_active IP Right Cessation
- 1975-01-17 IT IT19373/75A patent/IT1028446B/it active
- 1975-01-17 US US05/541,775 patent/US4005177A/en not_active Expired - Lifetime
- 1975-01-17 GB GB224675A patent/GB1459711A/en not_active Expired
- 1975-01-20 JP JP50008598A patent/JPS50104194A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2258218B1 (it) | 1981-03-20 |
DE2402519A1 (de) | 1975-07-31 |
DE2402519C3 (de) | 1980-10-09 |
JPS50104194A (it) | 1975-08-16 |
DE2402519B2 (de) | 1980-02-07 |
SE426293B (sv) | 1982-12-27 |
US4005177A (en) | 1977-01-25 |
NL7500320A (nl) | 1975-07-22 |
SE7500466L (it) | 1975-07-21 |
FR2258218A1 (it) | 1975-08-18 |
GB1459711A (en) | 1976-12-31 |
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