公开(公告)号：US20210362130A1

公开(公告)日：2021-11-25

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

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：US20220288563A1

公开(公告)日：2022-09-15

申请号：US17594838

申请日：2020-05-05

Applicant: BASF Corporation

Inventor： Edgar Viktor HUENNEKES ,  Petra CORDES ,  Jan Martin BECKER ,  Ruediger WOLFF ,  Joseph A. PATCHETT ,  Nicholas MCGUIRE ,  Edith SCHNEIDER ,  Kevin BEARD

IPC: B01J23/22 ,  B01J23/30 ,  B01J23/10 ,  B01J21/08 ,  B01J35/00 ,  B01J35/02 ,  B01J37/04 ,  B01J37/02 ,  B01J37/08

Abstract: The present invention relates to an aqueous suspension comprising water, a source of one or more of a vanadium oxide and a tungsten oxide, and particles of an oxidic support; wherein the particles of the aqueous suspension exhibit a polymodal particle size distribution characterized by a particle size distribution curve comprising a first peak with a maximum M(I) in the range of from 0.5 to 15 micrometers and a second peak with a maximum M(II) in the range of from 1 to 40 micrometers, wherein (M(I)/μm):(M(II)/μm)

公开(公告)号：US20230141207A1

公开(公告)日：2023-05-11

申请号：US17907554

申请日：2021-03-31

Applicant: BASF CORPORATION

Inventor： Edgar Viktor HUENNEKES ,  Petra CORDES ,  Jan Martin BECKER ,  Kevin BEARD ,  Nicholas MCGUIRE ,  Jaya L LAKSHMI ,  John K HOCHMUTH ,  Joseph A PATCHETT ,  Kenneth E VOSS

IPC: B01J29/76 ,  B01J29/80 ,  B01J21/08 ,  B01J35/00 ,  B01J35/04 ,  B01J37/02 ,  B01J37/08 ,  B01J37/04 ,  B01D53/94 ,  F01N3/20 ,  F01N3/28 ,  F01N3/035

CPC classification number: B01J29/7615 ,  B01D53/9418 ,  B01D53/9472 ,  B01J21/08 ,  B01J29/80 ,  B01J35/04 ,  B01J35/0006 ,  B01J37/04 ,  B01J37/088 ,  B01J37/0228 ,  B01J37/0236 ,  B01J37/0246 ,  F01N3/035 ,  F01N3/2066 ,  F01N3/2828 ,  B01J2029/062

Abstract: 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.

公开(公告)号：US20220195907A1

公开(公告)日：2022-06-23

申请号：US17594809

申请日：2020-04-30

Applicant: BASF Corporation

Inventor： Kevin BEARD ,  Robert DORNER ,  Jan Martin BECKER

IPC: F01N3/20 ,  B01J21/08 ,  B01J21/06 ,  B01J29/72 ,  B01J35/00 ,  B01J37/02 ,  B01J23/648

Abstract: 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, the catalyst comprising a flow-through substrate, a first coating comprising one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron, a second coating comprising a platinum group metal component supported on a non-zeolitic oxidic material and further comprising one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron and a third coating comprising a platinum group metal component supported on an oxidic material. The present invention further relates to an exhaust gas treatment system comprising said catalyst.

公开(公告)号：US20240001354A1

公开(公告)日：2024-01-04

申请号：US17753561

申请日：2020-09-29

Applicant: BASF CORPORATION

Inventor： Kevin BEARD ,  Joseph A. PATCHETT ,  Edgar Viktor NEKES ,  Jan Martin BECKER ,  John K. HOCHMUTH

IPC: B01J35/00 ,  B01J23/44 ,  B01J23/847 ,  B01J23/10 ,  B01J23/30 ,  B01J21/08 ,  B01J37/02 ,  B01D53/94 ,  B01J37/08 ,  B01J35/04 ,  B01D53/72 ,  F01N3/28 ,  F01N3/022 ,  F01N3/20 ,  F01N3/10

CPC classification number: B01J35/0006 ,  B01J23/44 ,  B01J23/8472 ,  B01J23/10 ,  B01J23/30 ,  B01J21/08 ,  B01J37/0244 ,  B01J37/0228 ,  B01J37/0201 ,  B01J37/0248 ,  B01D53/9418 ,  B01D53/9468 ,  B01J37/082 ,  B01J35/04 ,  B01D53/72 ,  F01N3/2828 ,  F01N3/0222 ,  F01N3/2066 ,  F01N3/106 ,  B01D2255/20738 ,  B01D2255/1023 ,  B01D2257/404 ,  B01D2255/20723 ,  B01D2258/012 ,  B01D2255/9022 ,  B01D2255/9155 ,  B01D2257/702 ,  F01N2370/04

Abstract: 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.

公开(公告)号：US20210180500A1

公开(公告)日：2021-06-17

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 ,  B01J37/02 ,  B01J21/06 ,  B01J23/22

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.

公开(公告)号：US20230143338A1

公开(公告)日：2023-05-11

申请号：US17907557

申请日：2021-04-09

Applicant: BASF CORPORATION

Inventor： Kevin BEARD ,  Edgar Viktor HUENNEKES ,  Jan Martin BECKER ,  Ruediger WOLFF ,  Petra CORDES

IPC: B01D53/94 ,  B01J29/76 ,  B01J35/00 ,  B01J23/46 ,  B01J21/08 ,  B01J37/02

CPC classification number: B01D53/9463 ,  B01D53/9418 ,  B01D53/9436 ,  B01J21/08 ,  B01J23/464 ,  B01J29/763 ,  B01J35/0006 ,  B01J37/0246

Abstract: 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.

公开(公告)号：US20230129815A1

公开(公告)日：2023-04-27

申请号：US17906265

申请日：2021-03-30

Applicant: BASF CORPORATION

Inventor： Edgar Viktor HUENNEKES ,  Nicholas MCGUIRE ,  Petra CORDES ,  Kevin BEARD ,  Jan Martin BECKER ,  John K HOCHMUTH ,  Kenneth E VOSS ,  Joseph A PATCHETT ,  Andreas R MUNDING

IPC: B01D53/94 ,  B01J29/72 ,  B01J37/02

Abstract: 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.

公开(公告)号：US20220143579A1

公开(公告)日：2022-05-12

申请号：US17594311

申请日：2020-04-08

Applicant: BASF Corporation

Inventor： Yu Fen HAO ,  Yuejin LI ,  Stanley A. ROTH ,  Jan Martin BECKER ,  Stefan MAURER

IPC: B01J23/42 ,  B01J21/06 ,  B01J35/10 ,  B01J29/70 ,  F01N3/20

Abstract: The invention relates to a selective ammonia oxidation catalysts comprising a platinum group metal and a support comprising TiO2 doped with 0-10% by weight of SiO2, WO3, ZrO2, Y2O3, La2O3, or a mixture thereof. The invention further comprises methods for the manufacture of the selective ammonia oxidation catalysts, and integrated catalyst systems comprising the selective ammonia oxidation catalysts for treating an exhaust gas stream.