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公开(公告)号:US20130330258A1
公开(公告)日:2013-12-12
申请号:US13867182
申请日:2013-04-22
Applicant: BASF Corporation
Inventor: Pascaline Harrison Tran , Xinsheng Liu , Ye Liu , Michael P. Galligan , Qinglin Zhang
IPC: B01D53/94
CPC classification number: B01D53/944 , B01D53/945 , B01D2255/2042 , B01D2255/2045 , B01D2255/2047 , B01D2255/2061 , B01D2255/2063 , B01D2255/2065 , B01D2255/2066 , B01D2255/20707 , B01D2255/20715 , B01D2255/20723 , B01D2255/2073 , B01D2255/20738 , B01D2255/20746 , B01D2255/20753 , B01D2255/20761 , B01D2255/20769 , B01D2255/20776 , B01D2255/2092 , B01D2255/2096 , B01D2255/30 , B01D2255/405 , B01D2255/407 , B01D2255/50 , B01D2255/65 , B01D2255/908 , B01D2255/91 , B01D2255/912 , B01D2257/404 , B01D2257/502 , B01D2258/014 , B01J23/002 , B01J23/83 , B01J23/8892 , B01J29/7065 , B01J29/763 , B01J29/783 , B01J35/002 , B01J35/04 , B01J37/0036 , B01J37/038 , B01J2229/186 , B01J2523/00 , Y02T10/22 , B01J2523/3712 , B01J2523/3718 , B01J2523/48 , B01J2523/72 , B01J2523/842 , B01J2523/845 , B01J2523/17 , B01J2523/847 , B01J2523/31 , B01J2523/36 , B01J2523/3706
Abstract: Aspects of the invention relate to a base metal catalyst composition effective to catalyze the abatement of hydrocarbons, carbon monoxide and nitrogen oxides under both rich and lean engine operating conditions comprising a support including at least 10% by weight of reducible ceria doped with up to about 60% by weight of one or more of oxides selected from the group Al, Pr, Sm, Zr, Y, Si, Ti and La; and a base metal oxide on the reducible ceria support, the base metal selected from one or more of Ni, Fe, Mn, Cu, Co, Ba, Mg, Ga, Ca, Sr, V, W, Bi and Mo, the base metal catalyst composition effective to promote a steam reforming reaction of hydrocarbons and a water gas shift reaction to provide H2 as a reductant to abate NOx. Other aspects of the invention relate to methods of using and making such catalysts.
Abstract translation: 本发明的方面涉及在富含和贫发动机运行条件下有效催化碳氢化合物,一氧化碳和氮氧化物减少的贱金属催化剂组合物,其包含至少10重量%的可掺杂二氧化铈的载体,所述可还原二氧化铈掺杂高达约 60重量%的选自Al,Pr,Sm,Zr,Y,Si,Ti和La中的一种或多种氧化物; 和可还原二氧化铈载体上的贱金属氧化物,选自Ni,Fe,Mn,Cu,Co,Ba,Mg,Ga,Ca,Sr,V,W,Bi和Mo中的一种或多种的贱金属,碱 金属催化剂组合物有效促进烃的水蒸气重整反应和水煤气变换反应,以提供H 2作为还原剂以减少NOx。 本发明的其它方面涉及使用和制备这种催化剂的方法。