JPS6215253B2 - - Google Patents
Info
- Publication number
- JPS6215253B2 JPS6215253B2 JP53068618A JP6861878A JPS6215253B2 JP S6215253 B2 JPS6215253 B2 JP S6215253B2 JP 53068618 A JP53068618 A JP 53068618A JP 6861878 A JP6861878 A JP 6861878A JP S6215253 B2 JPS6215253 B2 JP S6215253B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- carrier
- hours
- cerium
- rhodium
- 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 36
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- 239000010948 rhodium Substances 0.000 claims description 17
- 229910052684 Cerium Inorganic materials 0.000 claims description 16
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 15
- 238000000746 purification Methods 0.000 claims description 15
- 229910052703 rhodium Inorganic materials 0.000 claims description 15
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 18
- 229910002091 carbon monoxide Inorganic materials 0.000 description 18
- 239000007789 gas Substances 0.000 description 15
- 239000007864 aqueous solution Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 230000001603 reducing effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 platinum group metals Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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 |
|---|---|---|---|
| JP6861878A JPS54159391A (en) | 1978-06-07 | 1978-06-07 | Exhaust gas cleaning catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6861878A JPS54159391A (en) | 1978-06-07 | 1978-06-07 | Exhaust gas cleaning catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54159391A JPS54159391A (en) | 1979-12-17 |
| JPS6215253B2 true JPS6215253B2 (US06521211-20030218-C00004.png) | 1987-04-07 |
Family
ID=13378917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6861878A Granted JPS54159391A (en) | 1978-06-07 | 1978-06-07 | Exhaust gas cleaning catalyst |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54159391A (US06521211-20030218-C00004.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63196250U (US06521211-20030218-C00004.png) * | 1987-06-03 | 1988-12-16 | ||
| JPH0337941U (US06521211-20030218-C00004.png) * | 1989-08-23 | 1991-04-12 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0626672B2 (ja) * | 1987-03-05 | 1994-04-13 | 株式会社豊田中央研究所 | 排気浄化触媒及びその製造方法 |
| KR100408501B1 (ko) * | 1996-07-23 | 2004-01-24 | 삼성전기주식회사 | 자동차배기가스정화용촉매의제조방법 |
| JP4969843B2 (ja) | 2005-12-09 | 2012-07-04 | 新日鉄マテリアルズ株式会社 | 排ガス浄化用触媒及び排ガス浄化触媒部材 |
| WO2008091004A1 (ja) | 2007-01-24 | 2008-07-31 | Nippon Steel Materials Co., Ltd. | 排ガス浄化用触媒及び排ガス浄化用ハニカム触媒構造体 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4953586A (US06521211-20030218-C00004.png) * | 1972-08-04 | 1974-05-24 | ||
| JPS4956892A (US06521211-20030218-C00004.png) * | 1972-07-14 | 1974-06-03 | ||
| JPS51104491A (US06521211-20030218-C00004.png) * | 1975-03-13 | 1976-09-16 | Nissan Motor |
-
1978
- 1978-06-07 JP JP6861878A patent/JPS54159391A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4956892A (US06521211-20030218-C00004.png) * | 1972-07-14 | 1974-06-03 | ||
| JPS4953586A (US06521211-20030218-C00004.png) * | 1972-08-04 | 1974-05-24 | ||
| JPS51104491A (US06521211-20030218-C00004.png) * | 1975-03-13 | 1976-09-16 | Nissan Motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63196250U (US06521211-20030218-C00004.png) * | 1987-06-03 | 1988-12-16 | ||
| JPH0337941U (US06521211-20030218-C00004.png) * | 1989-08-23 | 1991-04-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54159391A (en) | 1979-12-17 |
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