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1.
公开(公告)号:US20240342655A1
公开(公告)日:2024-10-17
申请号:US18691962
申请日:2022-09-08
Applicant: Umicore AG & Co. KG
Inventor: Arkady Kustov , Preben Nissen
IPC: B01D53/94 , B01J21/06 , B01J23/42 , B01J29/072 , B01J29/76 , B01J35/00 , B01J35/58 , B01J37/00 , F01N3/20 , F01N3/28
CPC classification number: B01D53/9436 , B01D53/9418 , B01J21/063 , B01J23/42 , B01J29/072 , B01J29/763 , B01J35/19 , B01J35/58 , B01J37/0018 , F01N3/2066 , F01N3/2828 , B01D2251/2062 , B01D2255/1021 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/9022 , B01D2257/404 , B01D2257/406 , B01D2258/012 , F01N2510/063 , F01N2510/0684 , F01N2610/02
Abstract: The present invention provides a catalytic article for the removal of nitrogen oxides and ammonia from exhaust gas of lean combustion engines which heats up quickly to its operation temperature and shows a better performance. Another aim of the present invention is to provide a system for the purification of exhaust gases emitted from lean combustion engines comprising said catalytic article. The catalytic article comprises a corrugated glass fiber substrate, a first washcoat, comprising at least one platinum group metal and/or at least one platinum group metal oxide, supported on a refractory metal oxide support, and optionally at least one binder, wherein said first washcoat is affixed to the glass fibers of the nonwoven corrugated glass fiber substrate, such that areas consisting of particles of the first washcoat alternate with void spaces, and a second washcoat, comprising an SCR catalytically active composition and optionally at least one binder, wherein said second washcoat is affixed to the glass fibers of the nonwoven corrugated glass fiber substrate, and wherein said second washcoat covers the areas consisting of particles of the first washcoat and the void spaces. The SCR catalytically active composition preferably comprises molecular sieves.
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公开(公告)号:US12053768B2
公开(公告)日:2024-08-06
申请号:US17270125
申请日:2019-07-30
Applicant: BASF CORPORATION
Inventor: Yuejin Li
IPC: B01J37/02 , B01J21/12 , B01J23/42 , B01J29/76 , B01J35/00 , B01J35/56 , F01N3/08 , F01N3/20 , F01N3/28
CPC classification number: B01J37/0244 , B01J21/12 , B01J23/42 , B01J29/763 , B01J35/19 , B01J35/56 , F01N3/0842 , F01N3/2066 , F01N3/2803 , F01N2510/0682 , F01N2510/0684
Abstract: A selective catalytic reduction (SCR) catalyst composition effective in the abatement of nitrogen oxides (NOx) is provided. The SCR catalyst composition significantly increases the conversion of NOx relative to a Cu-chabazite reference catalyst composition at any temperature, and especially at low temperatures. A catalyst article, an exhaust gas treatment system, and a method of treating an exhaust gas stream, each including the SCR catalyst composition of the invention, are also provided. The SCR catalyst composition is particularly useful for treatment of exhaust from a lean-burn engine.
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公开(公告)号:US12024438B2
公开(公告)日:2024-07-02
申请号:US17661353
申请日:2022-04-29
Inventor: Juergen Bauer , John Leonello Casci , Ralf Dotzel , Joerg Muench , Ralitsa Purova , Wilhelm Schwieger , Ameen Shahid , Selvam Thangaraj , Tobias Weissenberger
IPC: B01J37/02 , B01J29/04 , B01J29/072 , B01J29/72 , B01J29/74 , B01J29/76 , B01J29/78 , B01J35/00 , B01J35/04 , B01J35/10 , B01J37/00 , B01J37/10 , C01B39/02 , C01B39/04 , C01B39/14 , C01B39/48 , F01N3/20 , F01N3/28
CPC classification number: C01B39/48 , B01J29/041 , B01J29/043 , B01J29/072 , B01J29/7207 , B01J29/723 , B01J29/7407 , B01J29/743 , B01J29/7607 , B01J29/763 , B01J29/7807 , B01J29/783 , B01J35/0006 , B01J35/04 , B01J35/1038 , B01J35/1042 , B01J35/1047 , B01J35/1057 , B01J35/1061 , B01J35/109 , B01J37/0018 , B01J37/0201 , B01J37/0207 , B01J37/0215 , B01J37/10 , C01B39/026 , C01B39/04 , C01B39/14 , C01B39/145 , F01N3/2066 , F01N3/2842 , B01D2255/1021 , B01D2255/1023 , B01D2255/2065 , B01D2255/2073 , B01D2255/20761 , B01J2229/186 , B01J2229/22 , B01J2229/34 , B01J2229/36 , B01J2229/38 , C01P2002/84 , C01P2004/03 , C01P2006/12 , C01P2006/14 , C01P2006/16
Abstract: The present invention further provides a method of making an metal-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms from pre-existing aluminosilicate zeolite crystallites, wherein the metal is present in a range of from 0.5 to 5.0 wt. % based on the total weight of the metal-loaded aluminosilicate zeolite.
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公开(公告)号:US11992828B2
公开(公告)日:2024-05-28
申请号:US18337070
申请日:2023-06-19
Applicant: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD , CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTD
Inventor: Kaixiang Li , Zhenguo Li , Xiaoning Ren , Yuankai Shao , Jianhai Wang , Li Zhang , Lingfeng Jia , Cheng Lv
IPC: B01J29/00 , B01J29/06 , B01J29/068 , B01J29/072 , B01J29/076 , B01J29/70 , B01J29/74 , B01J29/76 , B01J29/78 , B01J29/80 , B01J29/83 , B01J29/85 , B01J37/00 , B01J37/02 , B01J37/03 , B01J37/06 , B01J37/08 , C07C2/84 , C10G11/05
CPC classification number: B01J29/80 , B01J29/005 , B01J29/061 , B01J29/068 , B01J29/072 , B01J29/076 , B01J29/70 , B01J29/7015 , B01J29/74 , B01J29/743 , B01J29/763 , B01J29/783 , B01J29/83 , B01J29/85 , B01J37/0018 , B01J37/0236 , B01J37/033 , B01J37/036 , B01J37/06 , B01J37/082 , C07C2/84 , C10G11/05 , B01J2029/062 , B01J2229/18 , B01J2229/186
Abstract: The present disclosure provides molecular sieves with intergrown phases of AEI and CHA topologies and a catalyst thereof. A preparation method for the molecular sieves include the following steps: mixing a hydroxyphosphono organic alkali R with an aluminum source and a silicon source to obtain a sol-gel precursor, putting the sol-gel precursor into a closed hydrothermal synthesis reactor for reaction, filtering the reaction solution, washing, drying, and calcination to obtain the molecular sieves with intergrown phases of AEI and CHA topologies. The molecular sieves and the catalyst thereof can be directly synthesized under mild conditions with a hydroxyphosphono organic alkali as a structure-directing agent and a phosphorus source, have a pH value of 6-9 and low requirements for corrosion resistance of production devices, and are suitable for large-scale production.
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公开(公告)号:US20240076560A1
公开(公告)日:2024-03-07
申请号:US18269239
申请日:2021-12-20
Applicant: CHEVRON U.S.A. INC.
Inventor: Yihua ZHANG , Guan-Dao LEI , Adeola Florence OJO
CPC classification number: C10G45/64 , B01J29/7661 , C10G2300/80
Abstract: Described herein is a process for hydroisomerising a hydrocarbon feed. The process may comprise: combining a hydrocarbon feed and a hydroisomerisation additive to provide a combined feed; and contacting the combined feed with a hydroisomerisation catalyst comprising zeolite SSZ-91, where the hydroisomerisation additive is a substituted or unsubstituted nitrogen heterocycle.
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公开(公告)号:US20240075467A1
公开(公告)日:2024-03-07
申请号:US18503604
申请日:2023-11-07
Applicant: BASF Corporation
Inventor: Robert Mcguire , Faruk Oezkirim , Ulrich Mueller
CPC classification number: B01J29/76 , B01D53/8628 , B01J35/1019 , C01B39/026 , C01B39/48 , B01D2255/20761 , B01D2255/50 , B01J2229/186 , C01P2002/72 , C01P2002/86 , C01P2004/03 , C01P2006/12
Abstract: The present invention relates to a process for preparing a zeolitic material having framework type AEI and having a framework structure which comprises a tetravalent element Y, a trivalent element X, and O. Further, the present invention relates to a zeolitic material having framework type AEI and having a framework structure which comprises a tetravalent element Y, a trivalent element X, and O, preferably obtainable or obtained by said process, and further relates to the use of said zeolitic material as a catalytically active material, as a catalyst, or as a catalyst component.
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7.
公开(公告)号:US20240058803A1
公开(公告)日:2024-02-22
申请号:US17965744
申请日:2022-10-13
Applicant: SOUTHWEST PETROLEUM UNIVERSITY
Inventor: HUI ZHANG , Xiaodong Zhao , Jie Wen , Jiahong Cai
CPC classification number: B01J29/76 , B01J23/755 , B01J21/18 , B01J37/0215 , B01J37/0236 , B01J37/088 , B01J37/04 , B01J37/036 , C01B3/047
Abstract: A low-temperature and high-efficiency ammonia decomposition catalyst is disclosed, which includes a support and an active component. The support is SBA-15/G and the active component is nickel. The preparation method of the low-temperature and high-efficiency ammonia decomposition catalyst includes the following steps. Ni(OH)2 is mixed with SBA-15/G composite support by simple mechanical mixing method. Then, Ni/SBA-15/G supported catalyst is prepared by calcination in ammonia atmosphere. The ammonia decomposition activity of prepared materials at low-temperature is higher than that of most current Ni-based catalysts, and the method has the advantages of simple preparation process and low cost, and exhibits high catalytic activity and stability in the ammonia decomposition reaction.
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公开(公告)号:US11826737B2
公开(公告)日:2023-11-28
申请号:US17559732
申请日:2021-12-22
Applicant: HYUNDAI MOTOR COMPANY , KIA CORPORATION , HEESUNG CATALYSTS CORPORATION
Inventor: Pyung Soon Kim , Young Jin Kim , Chang Hwan Kim , Seung Chul Na , Seung Ho Oh , Young San Yoo , Ho Dong Kim
IPC: B01J29/072 , B01J29/63 , B01J35/10 , B01J35/04 , B01J37/00 , B01J37/02 , B01J37/30 , B01J37/04 , B01J37/10 , B01D53/94 , B01J35/02 , C01B39/14 , B01J29/76 , B01J37/03
CPC classification number: B01J29/63 , B01D53/9418 , B01J29/7607 , B01J35/023 , B01J35/026 , B01J35/04 , B01J35/1023 , B01J37/0018 , B01J37/0203 , B01J37/0209 , B01J37/038 , B01J37/04 , B01J37/10 , B01J37/30 , C01B39/145 , B01D2255/20761 , B01D2255/50 , B01D2255/9155 , B01D2255/9207 , B01D2257/404 , B01D2258/01 , B01D2258/012 , B01J2229/186 , B01J2229/34 , B01J2229/36 , B01J2229/38
Abstract: Disclosed is a method of preparing a high-performance zeolite catalyst for reducing nitrogen oxide emissions, and more particularly a technique for preparing a zeolite catalyst, suitable for use in effectively removing nitrogen oxide (NOx), among exhaust gases emitted from vehicle internal combustion engines through selective catalytic reduction (SCR), thereby exhibiting high efficiency, high chemical stability and high thermal durability upon SCR using the prepared catalyst.
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9.
公开(公告)号:US20230278017A1
公开(公告)日:2023-09-07
申请号:US18176465
申请日:2023-02-28
Applicant: UOP LLC
Inventor: Deng-Yang Jan , Rajamani Gounder , Sopuruchukwu Ezenwa , Jaime G. Moscoso , Gregory Kuzmanich
CPC classification number: B01J29/7049 , C07C2/66 , B01J29/76 , C07C2529/76
Abstract: A process for contacting a feed stream comprising an oxygenate feedstock and an aromatic feedstock comprising toluene with a catalyst and recovering a product comprising para-xylene. The catalyst comprises an improved MFI zeolite comprising in the calcined and ion-exchanged form a SiO2/Al2O3 ratio of from about 50 to about 600 and having a distribution of framework aluminum sites characterized by an initial xylene selectivity of greater than 70% in the TM diagnostic test.
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公开(公告)号:US11697110B2
公开(公告)日:2023-07-11
申请号:US16184162
申请日:2018-11-08
Applicant: BASF CORPORATION
Inventor: Xiaofan Yang , Matthew Tyler Caudle
IPC: B01J23/745 , B01J23/83 , B01J23/89 , B01J29/76 , B01J35/00 , B01J35/04 , F01N3/20 , F01N3/28 , B01D53/94 , B01D53/86 , B01J37/04
CPC classification number: B01J29/763 , B01D53/86 , B01D53/944 , B01D53/945 , B01D53/9418 , B01D53/9422 , B01D53/9436 , B01J23/745 , B01J23/83 , B01J23/89 , B01J23/894 , B01J35/0013 , B01J35/0033 , B01J35/04 , F01N3/20 , F01N3/2013 , F01N3/2828 , B01D2255/102 , B01D2255/206 , B01D2255/209 , B01D2255/2068 , B01D2255/20738 , B01D2255/20746 , B01D2255/50 , B01D2255/91 , B01D2255/9155 , B01D2255/9202 , B01D2257/404 , B01D2257/406 , B01D2257/502 , B01D2257/702 , B01D2257/708 , B01D2258/012 , B01J37/04 , B01J2523/00 , F01N2330/06 , F01N2370/04 , F01N2510/063 , Y02T10/12 , B01J2523/00 , B01J2523/305 , B01J2523/3725 , B01J2523/842 , B01J2523/00 , B01J2523/3737 , B01J2523/845
Abstract: The invention provides a catalyst composition, including a mixture of catalytically active particles and a magnetic material, such as superparamagnetic iron oxide nanoparticles, capable of inductive heating in response to an applied alternating electromagnetic field. The catalytically active particles will typically include a base metal, platinum group metal, oxide of base metal or platinum group metal, or combination thereof, and will be adapted for use in various catalytic systems, such as diesel oxidation catalysts, catalyzed soot filters, lean NOx traps, selective catalytic reduction catalysts, ammonia oxidation catalysts, or three-way catalysts. The invention also includes a system and method for heating a catalyst material, which includes a catalyst article that includes the catalyst composition and a conductor for receiving current and generating an alternating electromagnetic field in response thereto, the conductor positioned such that the generated alternating electromagnetic field is applied to at least a portion of the magnetic material.
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