JPH01137732U - - Google Patents
Info
- Publication number
- JPH01137732U JPH01137732U JP3165088U JP3165088U JPH01137732U JP H01137732 U JPH01137732 U JP H01137732U JP 3165088 U JP3165088 U JP 3165088U JP 3165088 U JP3165088 U JP 3165088U JP H01137732 U JPH01137732 U JP H01137732U
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- cerium oxide
- platinum
- exhaust gas
- base material
- 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.)
- Granted
Links
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 5
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- 239000010948 rhodium Substances 0.000 claims 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Catalysts (AREA)
Description
第１図イはこの考案の一例の触媒の斜視図、第
１図ロは第１図イのＡ部の拡大図、第２図は試験
例における白金／酸化セリウムおよび白金／アル
ミナ触媒の温度による貴金属分数度の変化を示す
線図で、酸化セリウム上の白金のシンタリング抑
制効果を示す。
１……排気ガス浄化用触媒、２……担体基材、
３……コーテイング層。
Figure 1A is a perspective view of a catalyst of an example of this invention, Figure 1B is an enlarged view of part A in Figure 1B, and Figure 2 is a diagram showing the temperature of platinum/cerium oxide and platinum/alumina catalysts in test examples. This is a diagram showing changes in noble metal fraction degrees, showing the sintering suppressing effect of platinum on cerium oxide. 1...Exhaust gas purification catalyst, 2...Carrier base material,
3...Coating layer.
Claims (1)
ムとロジウムを担持したアルミナから成るコーテ
イング層を備えたことを特徴とする排気ガス浄化
用触媒。 A catalyst for exhaust gas purification comprising a coating layer made of cerium oxide supporting platinum and alumina supporting rhodium on a catalyst carrier base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988031650U JPH0520435Y2 (en) | 1988-03-11 | 1988-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988031650U JPH0520435Y2 (en) | 1988-03-11 | 1988-03-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01137732U true JPH01137732U (en) | 1989-09-20 |
| JPH0520435Y2 JPH0520435Y2 (en) | 1993-05-27 |
Family
ID=31257660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988031650U Expired - Lifetime JPH0520435Y2 (en) | 1988-03-11 | 1988-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520435Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02293048A (en) * | 1989-04-19 | 1990-12-04 | Engelhard Corp | Platinum catalyst carried by ceria carrier containing palladium and mass of catalyst containing said catalyst |
| JP2011016085A (en) * | 2009-07-09 | 2011-01-27 | Nissan Motor Co Ltd | Catalyst for cleaning exhaust gas, method for manufacturing catalyst for cleaning exhaust gas, and honeycomb catalyst for cleaning exhaust gas |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63185450U (en) * | 1987-05-22 | 1988-11-29 |
-
1988
- 1988-03-11 JP JP1988031650U patent/JPH0520435Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63185450U (en) * | 1987-05-22 | 1988-11-29 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02293048A (en) * | 1989-04-19 | 1990-12-04 | Engelhard Corp | Platinum catalyst carried by ceria carrier containing palladium and mass of catalyst containing said catalyst |
| JP2011016085A (en) * | 2009-07-09 | 2011-01-27 | Nissan Motor Co Ltd | Catalyst for cleaning exhaust gas, method for manufacturing catalyst for cleaning exhaust gas, and honeycomb catalyst for cleaning exhaust gas |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520435Y2 (en) | 1993-05-27 |
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