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公开(公告)号:EP3256247A1
公开(公告)日:2017-12-20
申请号:EP16749650.4
申请日:2016-02-08
申请人: BASF Corporation
发明人: SUNG, Shiang , MCCANTY, Patrick William , ROTH, Stanley A. , ZHENG, Xiaolai , GERLACH, Olga , KÖGEL, Markus
IPC分类号: B01J23/42 , B01J23/44 , B01J29/00 , B01J21/04 , B01J21/08 , B01J21/06 , B01J23/34 , F01N3/20
CPC分类号: B01J23/6562 , B01D53/9418 , B01D53/944 , B01D2255/1021 , B01D2255/1023 , B01D2255/2042 , B01D2255/2065 , B01D2255/2073 , B01D2255/2092 , B01D2255/30 , B01D2255/40 , B01D2255/9025 , B01D2255/91 , B01D2255/9155 , B01J23/002 , B01J23/63 , B01J29/061 , B01J29/068 , B01J29/076 , B01J29/088 , B01J29/126 , B01J29/166 , B01J29/185 , B01J29/22 , B01J29/26 , B01J29/405 , B01J29/44 , B01J29/48 , B01J29/655 , B01J29/67 , B01J29/69 , B01J29/7057 , B01J29/7065 , B01J29/7415 , B01J29/743 , B01J29/7815 , B01J29/783 , B01J35/0006 , B01J35/04 , B01J37/0236 , B01J37/0244 , B01J37/0246 , B01J37/0248 , B01J37/08 , B01J37/10 , B01J37/20 , B01J2523/00 , F01N3/106 , F01N3/2066 , F01N2370/02 , B01J2523/25 , B01J2523/31 , B01J2523/3712 , B01J2523/72 , B01J2523/824 , B01J2523/828 , B01J2523/41
摘要: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, described is an oxidation catalyst composite including a first oxidation component comprising a first refractory metal oxide support, palladium (Pd) and platinum (Pt); a NOx storage component comprising one or more of alumina, silica, titania, ceria, or manganese; and a second oxidation component comprising a second refractory metal oxide, a zeolite, and Pt. The oxidation catalyst composite is sulfur tolerant, adsorbs NOx and thermally releases the stored NOx at temperature less than 350° C.
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