JPH0451864Y2 - - Google Patents
Info
- Publication number
- JPH0451864Y2 JPH0451864Y2 JP13488887U JP13488887U JPH0451864Y2 JP H0451864 Y2 JPH0451864 Y2 JP H0451864Y2 JP 13488887 U JP13488887 U JP 13488887U JP 13488887 U JP13488887 U JP 13488887U JP H0451864 Y2 JPH0451864 Y2 JP H0451864Y2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- layer
- rhodium
- coat layer
- platinum
- 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
- 239000010410 layer Substances 0.000 claims description 32
- 239000003054 catalyst Substances 0.000 claims description 28
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 26
- 239000010948 rhodium Substances 0.000 claims description 20
- 229910052684 Cerium Inorganic materials 0.000 claims description 17
- 229910052703 rhodium Inorganic materials 0.000 claims description 17
- 229910052697 platinum Inorganic materials 0.000 claims description 15
- 229910052726 zirconium Inorganic materials 0.000 claims description 13
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 6
- 239000011247 coating layer Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 10
- 229910002091 carbon monoxide Inorganic materials 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000000746 purification Methods 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000010970 precious metal Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process 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
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- -1 rhodium aluminate Chemical class 0.000 description 1
- VXNYVYJABGOSBX-UHFFFAOYSA-N rhodium(3+);trinitrate Chemical compound [Rh+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VXNYVYJABGOSBX-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13488887U JPH0451864Y2 (enrdf_load_stackoverflow) | 1987-09-03 | 1987-09-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13488887U JPH0451864Y2 (enrdf_load_stackoverflow) | 1987-09-03 | 1987-09-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6439824U JPS6439824U (enrdf_load_stackoverflow) | 1989-03-09 |
| JPH0451864Y2 true JPH0451864Y2 (enrdf_load_stackoverflow) | 1992-12-07 |
Family
ID=31394040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13488887U Expired JPH0451864Y2 (enrdf_load_stackoverflow) | 1987-09-03 | 1987-09-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451864Y2 (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4782038C1 (en) * | 1987-10-26 | 2001-04-17 | Ford Motor Co | Platinum group alumina-supported metal oxidation catalysts and method of making same |
| DK0428753T3 (da) * | 1989-06-09 | 1995-07-03 | N E Chemcat Corp | Katalysator til rensning af udstødningsgas med udmærket varmebestandighed samt fremgangsmåde til dens fremstilling |
| JP2600836Y2 (ja) * | 1991-11-15 | 1999-10-25 | 東陶機器株式会社 | 衛生洗浄装置 |
| JP5212961B2 (ja) * | 2003-03-06 | 2013-06-19 | ユミコア日本触媒株式会社 | 排気ガス浄化用触媒およびその製造方法、ならびに排気ガス浄化方法 |
| JP4810947B2 (ja) * | 2005-09-29 | 2011-11-09 | トヨタ自動車株式会社 | 内燃機関の制御方法 |
| JP5218092B2 (ja) * | 2009-01-23 | 2013-06-26 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP4674264B2 (ja) * | 2009-07-31 | 2011-04-20 | 株式会社キャタラー | 排ガス浄化用触媒 |
-
1987
- 1987-09-03 JP JP13488887U patent/JPH0451864Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6439824U (enrdf_load_stackoverflow) | 1989-03-09 |
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