JP5567999B2 - ベースメタル系排ガス浄化触媒 - Google Patents
ベースメタル系排ガス浄化触媒 Download PDFInfo
- Publication number
- JP5567999B2 JP5567999B2 JP2010275871A JP2010275871A JP5567999B2 JP 5567999 B2 JP5567999 B2 JP 5567999B2 JP 2010275871 A JP2010275871 A JP 2010275871A JP 2010275871 A JP2010275871 A JP 2010275871A JP 5567999 B2 JP5567999 B2 JP 5567999B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- gas purification
- base metal
- catalyst
- purification catalyst
- 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 - Fee Related
Links
- 239000003054 catalyst Substances 0.000 title claims description 27
- 238000000746 purification Methods 0.000 title description 15
- 239000010953 base metal Substances 0.000 title description 11
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 230000010757 Reduction Activity Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000006263 metalation reaction Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229910020203 CeO Inorganic materials 0.000 description 1
- 229910002668 Pd-Cu Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Description
触媒金属がCuから成り、
触媒担体が、Al2O3:40wt%〜60wt%と、CeO2:10wt%〜25wt%と、CeO2−ZrO2:残部とから成る
ことを特徴とする排ガス浄化触媒を提供する。
触媒金属がCuから成り、
触媒担体が、Al2O3:40wt%〜60wt%と、CeO2:10wt%〜25wt%と、CeO2−ZrO2:残部とから成る
ことを特徴とする。
(5)800℃でリッチ・リーンを切り替える耐久を行なった。
(リッチ・リーン切り替え時間2min毎)
(6)NO−COにおける耐久後のNO還元性能を評価した。
図1に評価結果を示す。
Claims (1)
- 触媒金属がCuから成り、
触媒担体が、Al2O3:40wt%〜60wt%と、CeO2:10wt%〜25wt%と、CeO2−ZrO2:残部とから成る
ことを特徴とする排ガス浄化触媒。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010275871A JP5567999B2 (ja) | 2010-12-10 | 2010-12-10 | ベースメタル系排ガス浄化触媒 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010275871A JP5567999B2 (ja) | 2010-12-10 | 2010-12-10 | ベースメタル系排ガス浄化触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012121006A JP2012121006A (ja) | 2012-06-28 |
JP5567999B2 true JP5567999B2 (ja) | 2014-08-06 |
Family
ID=46503047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010275871A Expired - Fee Related JP5567999B2 (ja) | 2010-12-10 | 2010-12-10 | ベースメタル系排ガス浄化触媒 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5567999B2 (ja) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9315679D0 (en) * | 1993-07-29 | 1993-09-15 | Rover Group | Base metal catalyst,catalytic support and two-stage process for the purification of vehicle exhaust gases |
GB0111735D0 (en) * | 2001-05-15 | 2001-07-04 | Johnson Matthey Plc | Agents for reducing atmospheric oxidising pollutants |
DE60226580D1 (de) * | 2002-06-25 | 2008-06-26 | Ford Global Tech Llc | SOX Falle für Diesel und magerbetriebene Kraftfahrzeuge |
US20090324468A1 (en) * | 2008-06-27 | 2009-12-31 | Golden Stephen J | Zero platinum group metal catalysts |
-
2010
- 2010-12-10 JP JP2010275871A patent/JP5567999B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2012121006A (ja) | 2012-06-28 |
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