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公开(公告)号:WO2021198339A1
公开(公告)日:2021-10-07
申请号:PCT/EP2021/058448
申请日:2021-03-31
申请人: BASF CORPORATION , BASF SE
发明人: HUENNEKES, Edgar Viktor , CORDES, Petra , BECKER, Jan Martin , BEARD, Kevin , MCGUIRE, Nicholas , LAKSHMI, Jaya L , HOCHMUTH, John K , PATCHETT, Joseph A , VOSS, Kenneth E
IPC分类号: B01D53/94 , B01J35/00 , B01J35/04 , B01J35/02 , B01J29/76 , B01J29/46 , B01J29/80 , B01J37/02 , B01J37/03 , B01D2251/2067 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/502 , B01D2255/911 , B01D2258/012 , B01D53/9418 , B01D53/9472 , B01J29/7615 , B01J29/763 , B01J35/0006 , B01J37/0215 , B01J37/0246 , B01J37/038
摘要: The present invention relates to a catalyst for the selective catalytic reduction of nitrogen oxide, the catalyst comprising a first coating comprising a 12-membered ring pore zeolitic material comprising a first metal which is one or more of copper and iron, and a second coating comprising an 8-membered ring pore zeolitic material comprising a second metal which is one or more of copper and iron.
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2.
公开(公告)号:WO2021063939A1
公开(公告)日:2021-04-08
申请号:PCT/EP2020/077213
申请日:2020-09-29
申请人: BASF CORPORATION , BASF SE
发明人: BEARD, Kevin , PATCHETT, Joseph A , HUENNEKES, Edgar Viktor , BECKER, Jan Martin , HOCHMUTH, John K
摘要: The present invention relates to a catalyst for the oxidation of hydrocarbon and the selective catalytic reduction of nitrogen oxides, the catalyst comprising a substrate comprising an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality of passages defined by internal walls of the substrate extending therethrough; and a coating disposed on the surface of the internal walls of the substrate, wherein the surface de- fines the interface between the passages and the internal walls, wherein the coating comprises a platinum group metal component supported on a first oxidic material and further comprises a mixed oxide of vanadium and one or more of iron, erbium, bismuth, cerium, europium, gadolinium, holmium, lanthanum, lutetium, neodymium, praseodymium, promethium, samarium, scandium, terbium, thulium, ytterbium, yttrium, molybdenum, tungsten, manganese, cobalt, nickel, copper, aluminum and antimony, wherein the mixed oxide is supported on a second oxidic material.
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3.
公开(公告)号:WO2021204990A1
公开(公告)日:2021-10-14
申请号:PCT/EP2021/059277
申请日:2021-04-09
申请人: BASF CORPORATION , BASF SE
摘要: The present invention relates to a catalyst for the oxidation of NO, for the oxidation of ammonia and for the selective catalytic reduction of NOx, comprising a substrate, a first coating comprising one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron; and a second coating comprising a platinum group metal component supported on a non-zeolitic oxidic material, wherein the second coating further comprises a zeolitic material comprising one or more of copper and iron.
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公开(公告)号:WO2022122798A1
公开(公告)日:2022-06-16
申请号:PCT/EP2021/084732
申请日:2021-12-08
IPC分类号: B01D53/94 , B01J21/06 , B01J23/22 , B01J23/44 , B01J29/76 , F01N3/10 , F01N3/20 , B01J35/04 , B01J37/02 , F01N13/00
摘要: The present invention relates to an exhaust gas treatment system for treating an exhaust gas stream exiting a diesel engine, wherein said exhaust gas treatment system comprises a first catalyst having an inlet end and an outlet end and comprising a coating disposed on a substrate, wherein the coating comprises palladium supported on an oxidic material comprising zirconium and further comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron; a second catalyst having an inlet end and an outlet end and comprising a coating disposed on a substrate, wherein the coating comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron, wherein at most 0.0001 weight-% of the coating of the second catalyst consists of platinum group metal.
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5.
公开(公告)号:WO2021198276A1
公开(公告)日:2021-10-07
申请号:PCT/EP2021/058331
申请日:2021-03-30
申请人: BASF CORPORATION , BASF SE
发明人: HUENNEKES, Edgar Viktor , MCGUIRE, Nicholas , CORDES, Petra , BEARD, Kevin , BECKER, Jan Martin , HOCHMUTH, John K , VOSS, Kenneth E , PATCHETT, Joseph A , MUNDING, Andreas R.
IPC分类号: B01D53/00 , B01J21/06 , B01J23/745 , B01J29/68 , B01J29/72 , B01J35/00 , B01J37/02 , B01D2251/2067 , B01D2255/1021 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/9025 , B01D2255/9032 , B01D2255/9207 , B01D2257/404 , B01D2257/406 , B01D53/9418 , B01D53/9436 , B01J21/066 , B01J29/7215 , B01J29/723 , B01J35/002 , B01J37/0201 , B01J37/0207 , B01J37/0244 , B01J37/0246 , B01J37/0248
摘要: The present invention relates to a process for preparing a catalyst for the selective catalytic reduction of nitrogen oxide comprising, among other steps, preparing a second aqueous mixture comprising water and an iron salt; and disposing the second mixture on the substrate obtained according to (ii), comprising a coating comprising a zeolitic material comprising copper, over y % of the substrate axial length from the inlet end to the outlet end of the substrate, wherein y is in the range of from 10 to x, obtaining a substrate comprising, in a first zone, the coating comprising a zeolitic material comprising copper and over y % of the substrate axial length an iron salt; and, if x > y, in a second zone extending from y % to x % of the substrate axial length from the inlet end to the outlet end, the coating comprising a zeolitic material comprising copper.
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6.
公开(公告)号:WO2022188808A1
公开(公告)日:2022-09-15
申请号:PCT/CN2022/079948
申请日:2022-03-09
申请人: BASF CORPORATION , ZHANG, Jiadi
发明人: WU, Yijiang , CHEN, Liang , LV, Shuxin , ZHANG, Yu , HUENNEKES, Edgar Viktor , BEARD, Kevin , PATCHETT, Joseph A , BECKER, Jan Martin , KALWEI, Martin
摘要: The present invention relates to a catalytic article for purifying an exhaust gas containing nitrogen oxides, which comprises a first region containing a vanadium-based SCR catalyst, a second region containing a metal-promoted molecular sieve catalyst, and a third region containing a vanadium-based SCR catalyst, wherein at least part of the second region is located downstream of at least part of the first region and upstream of at least part of the third region in the exhaust gas flow direction, provided that no part of the second region is located upstream of the first region or downstream of the third region. The present invention also relates to a method and a system for treatment of an exhaust gas containing nitrogen oxides by selective catalytic reduction using the catalytic article.
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