GB1431377A - Catalytic process - Google Patents
Catalytic processInfo
- Publication number
- GB1431377A GB1431377A GB1758272A GB1758272A GB1431377A GB 1431377 A GB1431377 A GB 1431377A GB 1758272 A GB1758272 A GB 1758272A GB 1758272 A GB1758272 A GB 1758272A GB 1431377 A GB1431377 A GB 1431377A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- exhaust gas
- engine
- ratio
- fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000003197 catalytic effect Effects 0.000 title 1
- 239000007789 gas Substances 0.000 abstract 8
- 239000000446 fuel Substances 0.000 abstract 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229910052703 rhodium Inorganic materials 0.000 abstract 2
- 239000010948 rhodium Substances 0.000 abstract 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 241000588731 Hafnia Species 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- -1 platinum group metals Chemical class 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 229910052712 strontium Inorganic materials 0.000 abstract 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 abstract 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
- B01D53/9459—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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes 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
- 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- 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
- B01D2255/1025—Rhodium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (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)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00171589A US3756740A (en) | 1971-08-11 | 1971-08-13 | Turbine stage |
| GB1758272A GB1431377A (en) | 1972-04-17 | 1972-04-17 | Catalytic process |
| FR7313677A FR2181336A5 (enrdf_load_stackoverflow) | 1972-04-17 | 1973-04-16 | |
| IT2307973A IT988627B (it) | 1972-04-17 | 1973-04-16 | Processo catalitico per la elimina zione di ossidi di azoto da gas di scarico di motori a combustione interna |
| JP7342769A JPS4947243A (enrdf_load_stackoverflow) | 1972-04-17 | 1973-04-17 | |
| DE19732319527 DE2319527A1 (de) | 1972-04-17 | 1973-04-17 | Verfahren zur behandlung der abgase von verbrennungsmotoren |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1758272A GB1431377A (en) | 1972-04-17 | 1972-04-17 | Catalytic process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1431377A true GB1431377A (en) | 1976-04-07 |
Family
ID=10097697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1758272A Expired GB1431377A (en) | 1971-08-11 | 1972-04-17 | Catalytic process |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4947243A (enrdf_load_stackoverflow) |
| DE (1) | DE2319527A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2181336A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1431377A (enrdf_load_stackoverflow) |
| IT (1) | IT988627B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071600A (en) | 1976-12-06 | 1978-01-31 | General Motors Corporation | Process for improved 3-way emission control |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1383896A (en) * | 1972-06-14 | 1974-02-12 | Grace W R & Co | Process of removing noxious components from exhaust gases with the aid of a catalyst |
| JPS51101780A (enrdf_load_stackoverflow) * | 1975-03-06 | 1976-09-08 | Nissan Motor | |
| JPS5432167A (en) * | 1977-08-15 | 1979-03-09 | Osaka Sanso Kougiyou Kk | Gas purification |
-
1972
- 1972-04-17 GB GB1758272A patent/GB1431377A/en not_active Expired
-
1973
- 1973-04-16 FR FR7313677A patent/FR2181336A5/fr not_active Expired
- 1973-04-16 IT IT2307973A patent/IT988627B/it active
- 1973-04-17 DE DE19732319527 patent/DE2319527A1/de active Pending
- 1973-04-17 JP JP7342769A patent/JPS4947243A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071600A (en) | 1976-12-06 | 1978-01-31 | General Motors Corporation | Process for improved 3-way emission control |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2181336A5 (enrdf_load_stackoverflow) | 1973-11-30 |
| IT988627B (it) | 1975-04-30 |
| DE2319527A1 (de) | 1973-10-31 |
| JPS4947243A (enrdf_load_stackoverflow) | 1974-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |