发明名称 |
CATALYST FOR PURIFYING DIESEL ENGINE EXHAUST EMISSIONS |
摘要 |
<p>A diesel oxidation catalyst comprising a honeycomb substrate washcoated with a mixture of clay, a refractory oxide and a zeolite is disclosed. The washcoated substrate is subsequently deposited with a precious metal catalyst and a sulfur oxidation suppressant. In a preferred embodiment, the clay is acid-leached bentonite, the refractory oxide is zirconia or titania, the zeolite is beta-zeolite or Y-zeolite or ZSM-5 or mordenite, the precious metal catalyst is preferably platinum, and the sulfur oxidation suppressant is vanadium or vanadium oxide or a combination thereof.</p> |
申请公布号 |
WO2006020647(A1) |
申请公布日期 |
2006.02.23 |
申请号 |
WO2005US28286 |
申请日期 |
2005.08.08 |
申请人 |
SUD-CHEMIE INC.;XU, LIQIANG;HUANG, YINYAN;CULLEN, GREG;DANG, ZHONGYUAN;BAR-ILAN, AMIRAM |
发明人 |
XU, LIQIANG;HUANG, YINYAN;CULLEN, GREG;DANG, ZHONGYUAN;BAR-ILAN, AMIRAM |
分类号 |
(IPC1-7):B01D53/94;B01J29/04 |
主分类号 |
(IPC1-7):B01D53/94 |
代理机构 |
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代理人 |
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地址 |
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