IT989053B - PROCEDURE FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES ELECTRONIC DEVICE FOR THE AUTOMATIC ADJUSTMENT AND ACCOUNTS OF THE HEIGHT OF THE CLIMBING HAIR ON ARTICLES IN EXHAUST GAS GENERALLY WITH DIFFERENT THICKNESS ALSO AT SEAMS - Google Patents
PROCEDURE FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES ELECTRONIC DEVICE FOR THE AUTOMATIC ADJUSTMENT AND ACCOUNTS OF THE HEIGHT OF THE CLIMBING HAIR ON ARTICLES IN EXHAUST GAS GENERALLY WITH DIFFERENT THICKNESS ALSO AT SEAMSInfo
- Publication number
- IT989053B IT989053B IT25147/73A IT2514773A IT989053B IT 989053 B IT989053 B IT 989053B IT 25147/73 A IT25147/73 A IT 25147/73A IT 2514773 A IT2514773 A IT 2514773A IT 989053 B IT989053 B IT 989053B
- Authority
- IT
- Italy
- Prior art keywords
- seams
- climbing
- accounts
- hair
- articles
- Prior art date
Links
Classifications
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
-
- 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
- B01D2255/1021—Platinum
-
- 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
-
- 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 |
---|---|---|---|
DE2227877A DE2227877A1 (en) | 1972-06-08 | 1972-06-08 | PROCESS FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES IN EXHAUST GASES |
Publications (1)
Publication Number | Publication Date |
---|---|
IT989053B true IT989053B (en) | 1975-05-20 |
Family
ID=5847157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25147/73A IT989053B (en) | 1972-06-08 | 1973-06-12 | PROCEDURE FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES ELECTRONIC DEVICE FOR THE AUTOMATIC ADJUSTMENT AND ACCOUNTS OF THE HEIGHT OF THE CLIMBING HAIR ON ARTICLES IN EXHAUST GAS GENERALLY WITH DIFFERENT THICKNESS ALSO AT SEAMS |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS4955562A (en) |
BE (1) | BE800616A (en) |
DE (1) | DE2227877A1 (en) |
FR (1) | FR2188678A5 (en) |
GB (1) | GB1432799A (en) |
IT (1) | IT989053B (en) |
NL (1) | NL7308041A (en) |
SE (1) | SE393436B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4361711A (en) * | 1981-12-18 | 1982-11-30 | The Standard Oil Company | Alcohols from olefins and synthesis gas |
-
1972
- 1972-06-08 DE DE2227877A patent/DE2227877A1/en active Pending
-
1973
- 1973-06-06 GB GB2709973A patent/GB1432799A/en not_active Expired
- 1973-06-07 FR FR7320813A patent/FR2188678A5/fr not_active Expired
- 1973-06-07 SE SE7308045A patent/SE393436B/en unknown
- 1973-06-07 BE BE132015A patent/BE800616A/en unknown
- 1973-06-08 JP JP48064611A patent/JPS4955562A/ja active Pending
- 1973-06-08 NL NL7308041A patent/NL7308041A/xx unknown
- 1973-06-12 IT IT25147/73A patent/IT989053B/en active
Also Published As
Publication number | Publication date |
---|---|
JPS4955562A (en) | 1974-05-29 |
NL7308041A (en) | 1973-12-11 |
GB1432799A (en) | 1976-04-22 |
SE393436B (en) | 1977-05-09 |
FR2188678A5 (en) | 1974-01-18 |
DE2227877A1 (en) | 1974-01-03 |
BE800616A (en) | 1973-12-07 |
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