JPS6357096B2 - - Google Patents
Info
- Publication number
- JPS6357096B2 JPS6357096B2 JP55029637A JP2963780A JPS6357096B2 JP S6357096 B2 JPS6357096 B2 JP S6357096B2 JP 55029637 A JP55029637 A JP 55029637A JP 2963780 A JP2963780 A JP 2963780A JP S6357096 B2 JPS6357096 B2 JP S6357096B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- exhaust gas
- nox
- ratio
- layer
- 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
- 239000003054 catalyst Substances 0.000 claims description 75
- 229910052703 rhodium Inorganic materials 0.000 claims description 15
- 229910052697 platinum Inorganic materials 0.000 claims description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 49
- 239000010948 rhodium Substances 0.000 description 37
- 238000000746 purification Methods 0.000 description 30
- 239000010410 layer Substances 0.000 description 23
- 239000000446 fuel Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 229910052878 cordierite Inorganic materials 0.000 description 5
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000010970 precious metal Substances 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2963780A JPS56126437A (en) | 1980-03-08 | 1980-03-08 | Catalyst for purification of exhaust gas of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2963780A JPS56126437A (en) | 1980-03-08 | 1980-03-08 | Catalyst for purification of exhaust gas of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56126437A JPS56126437A (en) | 1981-10-03 |
| JPS6357096B2 true JPS6357096B2 (de) | 1988-11-10 |
Family
ID=12281590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2963780A Granted JPS56126437A (en) | 1980-03-08 | 1980-03-08 | Catalyst for purification of exhaust gas of automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56126437A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61287451A (ja) * | 1985-06-13 | 1986-12-17 | Nippon Denso Co Ltd | 排ガス浄化用触媒担体 |
| JPH0522261Y2 (de) * | 1987-04-22 | 1993-06-08 | ||
| FR2622126B1 (fr) * | 1987-10-21 | 1991-06-14 | Procatalyse Ste Fse Produits C | Catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ce catalyseur |
| JP2879738B2 (ja) * | 1989-03-28 | 1999-04-05 | 触媒化成工業株式会社 | 排ガスの浄化方法およびそれに使用する触媒成型体 |
| CA2011484C (en) * | 1989-04-19 | 1997-03-04 | Joseph C. Dettling | Palladium-containing, ceria-supported platinum catalyst and catalyst assembly including the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53127390A (en) * | 1977-04-14 | 1978-11-07 | Nissan Motor Co Ltd | Impregnating method for catalyst metal compounds of monolithic catalyst |
-
1980
- 1980-03-08 JP JP2963780A patent/JPS56126437A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53127390A (en) * | 1977-04-14 | 1978-11-07 | Nissan Motor Co Ltd | Impregnating method for catalyst metal compounds of monolithic catalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56126437A (en) | 1981-10-03 |
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