JPS56130231A - Catalyst for treatment of exhaust gas - Google Patents
Catalyst for treatment of exhaust gasInfo
- Publication number
- JPS56130231A JPS56130231A JP3435480A JP3435480A JPS56130231A JP S56130231 A JPS56130231 A JP S56130231A JP 3435480 A JP3435480 A JP 3435480A JP 3435480 A JP3435480 A JP 3435480A JP S56130231 A JPS56130231 A JP S56130231A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- noble metal
- active alumina
- alumina
- nox
- 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 title abstract 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 4
- 229910000510 noble metal Inorganic materials 0.000 abstract 4
- 239000002131 composite material Substances 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 229910052746 lanthanum Inorganic materials 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
PURPOSE:To obtain a catalyst of superior high-temp. resistance for removal of CO, HC and NOx by laminating active alumina, perovskite type oxide and a noble metal catalyst on carrier surfaces. CONSTITUTION:Active alumina is coated on the carrier surfaces of a catalyst, and La, Ce and other trivalent rare earth elements are stuck thereon and this is fired for 0.3-4hr at 800-1,000 deg.C. A perovskite type composite oxide layer which is the composite of Al and rear earth elements is formed at 2-35wt % ratios in terms of the rear earth element oxide out of the total amount of alumina. Further, one or more kinds of noble metals such as Pt, Rh, Pd and others are impregnated in the form of an aqueous soln. of water soluble salts and this is fired to form a noble metal catalyst layer. If the noble metal used at this time is one kind, it is used at 0.5% based on the total amount of the active alumina and the peroviskite type oxide and if more than two kinds, they are used at >=0.5%. The catalyst which effectively removes CO, CH and NOx is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3435480A JPS56130231A (en) | 1980-03-17 | 1980-03-17 | Catalyst for treatment of exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3435480A JPS56130231A (en) | 1980-03-17 | 1980-03-17 | Catalyst for treatment of exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56130231A true JPS56130231A (en) | 1981-10-13 |
Family
ID=12411807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3435480A Pending JPS56130231A (en) | 1980-03-17 | 1980-03-17 | Catalyst for treatment of exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56130231A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016163488A1 (en) * | 2015-04-07 | 2016-10-13 | ユミコア日本触媒株式会社 | Purification catalyst for internal combustion engine exhaust gases and exhaust gas purification method using said catalyst |
| WO2024057953A1 (en) * | 2022-09-13 | 2024-03-21 | 三井金属鉱業株式会社 | Exhaust gas purification catalyst composition |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55162343A (en) * | 1979-06-06 | 1980-12-17 | Toyota Motor Corp | Preparation of catalyst support |
-
1980
- 1980-03-17 JP JP3435480A patent/JPS56130231A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55162343A (en) * | 1979-06-06 | 1980-12-17 | Toyota Motor Corp | Preparation of catalyst support |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016163488A1 (en) * | 2015-04-07 | 2016-10-13 | ユミコア日本触媒株式会社 | Purification catalyst for internal combustion engine exhaust gases and exhaust gas purification method using said catalyst |
| JPWO2016163488A1 (en) * | 2015-04-07 | 2017-09-14 | ユミコア日本触媒株式会社 | Internal combustion engine exhaust gas purification catalyst and exhaust gas purification method using the catalyst |
| US11110396B2 (en) | 2015-04-07 | 2021-09-07 | Umicore Shokubai Japan Co., Ltd. | Catalyst for purification of exhaust gas from internal combustion engine and exhaust gas purifying method using the catalyst |
| WO2024057953A1 (en) * | 2022-09-13 | 2024-03-21 | 三井金属鉱業株式会社 | Exhaust gas purification catalyst composition |
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