JPH02142622U - - Google Patents
Info
- Publication number
- JPH02142622U JPH02142622U JP4877489U JP4877489U JPH02142622U JP H02142622 U JPH02142622 U JP H02142622U JP 4877489 U JP4877489 U JP 4877489U JP 4877489 U JP4877489 U JP 4877489U JP H02142622 U JPH02142622 U JP H02142622U
- Authority
- JP
- Japan
- Prior art keywords
- oxide
- alumina
- exhaust gas
- supported
- cerium oxide
- 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
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 2
- 229910000420 cerium oxide Inorganic materials 0.000 claims 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims 2
- 229910052763 palladium Inorganic materials 0.000 claims 2
- 229910052697 platinum Inorganic materials 0.000 claims 2
- 229910052703 rhodium Inorganic materials 0.000 claims 2
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 230000002040 relaxant effect Effects 0.000 claims 1
- 229910001935 vanadium oxide Inorganic materials 0.000 claims 1
- 229910001928 zirconium oxide Inorganic materials 0.000 claims 1
Landscapes
- Catalysts (AREA)
Description
第１図ａはこの考案の一例の触媒の斜視図、第
１図ｂは第１図ａのＡ部分の拡大正面図、第１図
ｃは第１図ａのＢ部分の拡大正面図である。
１……排ガス組成緩和部、２……触媒活性部分
。
Fig. 1a is a perspective view of a catalyst according to an example of this invention, Fig. 1b is an enlarged front view of part A in Fig. 1a, and Fig. 1c is an enlarged front view of part B in Fig. 1a. . 1... Exhaust gas composition relaxation part, 2... Catalyst active part.
Claims (1)
を含む触媒活性成分担持層を有する一体構造型触
媒において、触媒への排ガス流入側に配置するＰ
ｄ担持酸化セリウム粉末をアルミナと共にコーテ
イングした排ガス組成緩和部分と、アルミナ、酸
化セリウム、或いは酸化ランタム、酸化ジルコニ
ウムまたは酸化バナジウムにＰｄまたはＰｔおよ
びＲｈのいずれか１種または２種を担持した下流
側の触媒活性部分を備えて成ることを特徴とする
排ガス浄化用触媒。 Among Pd, Pt and Rh, at least Pd
In a monolithic catalyst having a catalytically active component supporting layer containing
d An exhaust gas composition relaxing part coated with supported cerium oxide powder together with alumina, and a downstream part in which one or two of Pd, Pt, and Rh are supported on alumina, cerium oxide, lanthanum oxide, zirconium oxide, or vanadium oxide. An exhaust gas purifying catalyst characterized by comprising a catalytic active part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4877489U JPH078028Y2 (en) | 1989-04-27 | 1989-04-27 | Exhaust gas purification catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4877489U JPH078028Y2 (en) | 1989-04-27 | 1989-04-27 | Exhaust gas purification catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02142622U true JPH02142622U (en) | 1990-12-04 |
| JPH078028Y2 JPH078028Y2 (en) | 1995-03-01 |
Family
ID=31565886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4877489U Expired - Lifetime JPH078028Y2 (en) | 1989-04-27 | 1989-04-27 | Exhaust gas purification catalyst |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078028Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013514881A (en) * | 2009-12-21 | 2013-05-02 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | NOx trap |
-
1989
- 1989-04-27 JP JP4877489U patent/JPH078028Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013514881A (en) * | 2009-12-21 | 2013-05-02 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | NOx trap |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078028Y2 (en) | 1995-03-01 |
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