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公开(公告)号：US20220055018A1
公开(公告)日：2022-02-24
申请号：US17309526
申请日：2019-12-12
Applicant: BASF Corporation
Inventor： Feng ZHAO , Liang CHEN , Jia Di ZHANG , Feng YANG
IPC: B01J23/22 , B01J21/06 , B01J23/00 , B01J37/04 , B01J37/08 , B01J37/03 , B01J35/04 , F01N3/20 , F01N3/28 , B01D53/94 , B01D53/86
Abstract: A method for production of vanadium catalysts, including steps of 1) providing a mixture comprising a TiO2-based support and a composite oxide containing vanadium and antimony; 2) preparing a slurry containing the mixture obtained from step 1), and additive comprising at least one species selected from the group consisting of Si, Al, Zr, Ti, W and Mo, and a solvent; and 3) applying the slurry onto a substrate or processing the slurry into shaped bodies. The vanadium catalysts obtained/obtainable from the method, and use thereof for abatement of nitrogen oxides (NOx).
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公开(公告)号：US20240082827A9
公开(公告)日：2024-03-14
申请号：US18049347
申请日：2022-10-25
Applicant: BASF SE , BASF Corporation
Inventor： Feng ZHAO , Sabine HUBER , Jia Di ZHANG , Liang CHEN , Diana Carolina GALEANO NUNEZ , Edgar Viktor HUENNEKES
CPC classification number: A61B18/1487 , A61B17/1642 , A61B17/1671 , A61B17/3403 , A61B17/3421 , A61B17/3468 , A61B17/3472 , A61B18/1206 , A61B18/148 , A61F7/007 , A61B2018/00577 , A61B2018/126 , A61B18/1492
Abstract: Disclosed are an extruded honeycomb catalyst, a process for preparing the catalyst, a method for reducing NOx in the exhaust gas from an internal combustion engine by using the catalyst, and a method for treatment of the emission gas generated from power plant comprising exposing the emission gas to the catalyst.
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Patent Agency Ranking
公开(公告)号：US20230077366A1
公开(公告)日：2023-03-16
申请号：US18049347
申请日：2022-10-25
Applicant: BASF SE , BASF Corporation
Inventor： Feng ZHAO , Sabine HUBER , Jia Di ZHANG , Liang CHEN , Diana Carolina GALEANO NUNEZ , Edgar Viktor HUENNEKES
Abstract: Disclosed are an extruded honeycomb catalyst, a process for preparing the catalyst, a method for reducing NOx in the exhaust gas from an internal combustion engine by using the catalyst, and a method for treatment of the emission gas generated from power plant comprising exposing the emission gas to the catalyst.
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公开(公告)号：US20220331782A1
公开(公告)日：2022-10-20
申请号：US17753553
申请日：2020-09-15
Applicant: BASF CORPORATION
Inventor： Liang CHEN , Feng ZHAO , Jia Di ZHANG
Abstract: The present invention relates to a catalyst composition comprising a support, catalytically active species comprising a vanadium species, an antimony species and a tungsten species, and optionally, at least one further species selected from the group consisting of silicon species, aluminum species, zirconium species, titanium species, and cerium species; a catalytic article comprising the same, a method for preparing the catalytic article, and use of the catalyst composition or the catalytic article for selective catalytic reduction of nitrogen oxides in exhaust gases.
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公开(公告)号：US20190160428A1
公开(公告)日：2019-05-30
申请号：US16320708
申请日：2016-07-26
Applicant: BASF Corporation
Inventor： Liang CHEN , Feng ZHAO , Jia Di ZHANG , An Ju SHI , Shau-Lin Frank CHEN , Miao Mark CHEN
Abstract: The present invention relates to a catalyst for NOx removal. More specifically, the present invention relates to a supported catalyst, a monolithic selective catalytic reduction (SCR) catalyst, preparation method therefor, and method for NOx removal.
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公开(公告)号：US20230347288A1
公开(公告)日：2023-11-02
申请号：US17997831
申请日：2021-04-26
Applicant: BASF CORPORATION
Inventor： Yuchao ZHANG , Renjie QIU , Jia Di ZHANG
IPC: B01D53/94 , B01J23/22 , B01J21/08 , B01J35/00 , B01J35/04 , B01J37/04 , B01J37/02 , B01J37/00 , F01N3/20 , F01N3/28 , F01N3/035 , F01N3/10
CPC classification number: B01D53/9418 , B01J23/22 , B01J21/08 , B01J35/0066 , B01J35/04 , B01J37/04 , B01J37/0236 , B01J37/0221 , B01J37/0228 , B01J37/024 , B01J37/0009 , F01N3/2066 , F01N3/2825 , F01N3/035 , F01N3/106 , B01D2257/404 , B01D2255/20723 , B01D2255/2098 , B01D2251/2062 , B01D2258/01 , F01N2370/04 , F01N2610/02
Abstract: The present invention relates to a selective catalytic reduction (SCR) catalyst comprising a support, vanadium and antimony, a catalytic article comprising the SCR catalyst, and an exhaust treatment system for an internal combustion engine comprising the SCR catalyst. In one embodiment, the invention provides an SCR catalyst for reduction of 5 nitrogen oxides, comprising: a support, and an active material on the support; wherein the support, calculated as its oxide, is present in the SCR catalyst in an amount of 40 to 99% by weight, relative to the total weight of the SCR catalyst; the active material comprises vanadium and antimony; the vanadium, calculated as V2O5, is present in the SCR catalyst in an amount of 1 to 15% by weight, relative to the total weight of the SCR catalyst; the 10 antimony, calculated as Sb2O3, is present in the SCR catalyst in an amount of 0.5 to 20% by weight, relative to the total weight of the SCR catalyst; wherein the SCR catalyst, after hydrothermally aged at 550° C. for 100 hours with 10% water, has a 200-300° C. denitrification efficiency of at least 60%, with 60,000h−1 space velocity and an ammonia to NOx molar ratio of 1:11
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公开(公告)号：US20210387145A1
公开(公告)日：2021-12-16
申请号：US17309151
申请日：2019-10-24
Applicant: BASF Corporation
Inventor： Stefan MAURER , Jia Di ZHANG , Yu DAI , Yu Fen HAO , Ming Ming WEI , Teng SHEN
IPC: B01D53/94 , B01J29/76 , B01J35/04 , B01J35/00 , B01J37/02 , B01J35/10 , B01J23/40 , F01N3/10 , F01N3/28 , F01N3/20
Abstract: The present invention relates generally to the field of exhaust treatment systems for purifying exhaust gas discharged from a lean burn engine. The exhaust treatment system comprises a Diesel Oxidation Catalyst (DOC), a Catalyzed Soot Filter (CSF), a reductant injector, an AEI zeolite based Selective Catalyzed Reduction (SCR) catalyst and an Ammonia Oxidation Catalyst (AMOX) downstream to the AEI zeolite based SCR catalyst.
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