公开(公告)号：US20240035407A1

公开(公告)日：2024-02-01

申请号：US18265482

申请日：2021-12-08

Applicant: BASF Corporation

Inventor： Robert Dorner ,  Tobias Paul ,  Edgar Viktor Huennekes ,  Jan Martin Becker ,  Kevin Beard

IPC: F01N3/28 ,  F01N3/20 ,  F01N13/00

CPC classification number: F01N3/2803 ,  F01N3/2066 ,  F01N13/0097 ,  F01N2510/0684 ,  F01N2370/04

Abstract: 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.

公开(公告)号：US11266977B2

公开(公告)日：2022-03-08

申请号：US16973325

申请日：2019-07-30

Applicant: BASF Corporation

Inventor： Edgar Viktor Huennekes ,  Joseph A Patchett ,  Petra Cordes ,  Kevin David Beard ,  Jan Martin Becker

IPC: F01N3/20 ,  F01N3/28 ,  B01J21/06 ,  B01J23/22 ,  B01J23/847 ,  B01J35/04 ,  B01J35/10 ,  B01J37/02 ,  B01J37/04

Abstract: The present invention relates to a selective catalytic reduction catalyst for the treatment of an exhaust gas of a diesel engine comprising (i) a flow-through 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 flow-through substrate extending therethrough; (II) a coating disposed on the surface of the internal walls of the substrate, where-in the surface defines the interface between the passages and the internal walls, wherein the coating comprises a vanadium oxide supported on an oxidic material comprising titania, 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.

公开(公告)号：US20240216864A1

公开(公告)日：2024-07-04

申请号：US18557075

申请日：2022-04-27

Applicant: BASF Corporation

Inventor： Robert Dorner ,  Jan Martin Becker ,  Joseph A Patchett

IPC: B01D53/94 ,  B01J23/42 ,  B01J23/44 ,  B01J29/16 ,  B01J29/46 ,  B01J29/67 ,  B01J29/76 ,  B01J29/80 ,  B01J35/00 ,  B01J35/57 ,  B01J37/00 ,  B01J37/02 ,  B01J37/10 ,  C10G11/04 ,  F01N3/24

CPC classification number: B01D53/9418 ,  B01D53/9472 ,  B01D53/9477 ,  B01J23/42 ,  B01J23/44 ,  B01J29/166 ,  B01J29/46 ,  B01J29/67 ,  B01J29/7615 ,  B01J29/763 ,  B01J29/80 ,  B01J35/19 ,  B01J35/57 ,  B01J37/0009 ,  B01J37/0201 ,  B01J37/0246 ,  B01J37/0248 ,  B01J37/10 ,  C10G11/04 ,  F01N3/24 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/502 ,  B01D2255/504 ,  B01D2255/9032 ,  B01D2257/404 ,  B01D2258/012 ,  B01J2229/18

Abstract: The present invention relates to a catalyst for the selective catalytic reduction of NOx and for the cracking and conversion of a hydrocarbon, 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: a coating disposed on the surface of the internal walls of the substrate, said coating comprising a platinum group metal, an 8-membered ring pore zeolitic material comprising one or more of copper and iron, and further comprising a 10- or more membered ring pore zeolitic material.

公开(公告)号：US20240167410A1

公开(公告)日：2024-05-23

申请号：US18549242

申请日：2022-03-09

Applicant: BASF Corporation

Inventor： Jiadi Zhang ,  Yijiang Wu ,  Liang Chen ,  Shuxin Lv ,  Yu Zhang ,  Edgar Viktor Huennekes ,  Kevin Beard ,  Joseph A Patchett ,  Jan Martin Becker ,  Martin Kalwei

IPC: F01N3/28 ,  B01D53/94 ,  B01J23/22 ,  B01J29/76 ,  B01J35/00 ,  B01J35/57 ,  B01J35/61 ,  B01J37/02 ,  B01J37/08 ,  F01N3/035 ,  F01N3/10 ,  F01N3/20

CPC classification number: F01N3/2803 ,  B01D53/9418 ,  B01D53/9472 ,  B01J23/22 ,  B01J29/7615 ,  B01J35/19 ,  B01J35/57 ,  B01J35/617 ,  B01J37/0228 ,  B01J37/0236 ,  B01J37/08 ,  F01N3/035 ,  F01N3/101 ,  F01N3/106 ,  F01N3/2066 ,  B01D2255/20723 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/502 ,  B01D2255/707 ,  B01D2255/9035 ,  B01D2255/9155 ,  B01D2255/9207 ,  B01D2257/404 ,  B01D2258/012 ,  F01N2370/04

Abstract: 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.

公开(公告)号：US12012885B2

公开(公告)日：2024-06-18

申请号：US17257953

申请日：2019-07-24

Applicant: BASF Corporation

Inventor： Edgar Viktor Huennekes ,  Kevin David Beard ,  Petra Cordes ,  Ruediger Wolff ,  Jan Martin Becker

IPC: F01N3/20 ,  B01J21/06 ,  B01J23/22 ,  B01J37/02

CPC classification number: F01N3/2066 ,  B01J21/063 ,  B01J23/22 ,  B01J37/0244 ,  B01J37/0246 ,  F01N2510/068

Abstract: An SCR catalyst for treating diesel exhaust gas has: a flow-through substrate with 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 flow through substrate extending therethrough; a first coating disposed on the internal wall surface of the substrate, the surface defining the interface between the internal walls and passages, the first coating extending over 40 to 100% of the substrate axial length, the first coating having an 8-membered ring pore zeolitic material with copper and/or iron; a second coating extending over 20 to 100% of the substrate axial length, the second coating having a first oxidic material with titania, wherein at least 75 wt. % of the second coating is titania, calculated as TiO2, and 0 to 0.01 wt. % of the second coating is vanadium oxides, calculated as V2O5.