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公开(公告)号:US20250059034A1
公开(公告)日:2025-02-20
申请号:US18805703
申请日:2024-08-15
Applicant: Advanced Energy Materials, LLC
Inventor: Mahendra Kumar Sunkara , Veerendra Atla , Sivakumar Vasireddy , Abhinav Nouduri
IPC: C01B3/40 , B01J21/06 , B01J23/72 , B01J23/755 , B01J23/80 , B01J35/45 , B01J35/56 , B01J35/58 , B01J37/04 , B01J37/08
Abstract: A nanowire catalyst is provided. The catalyst has the formula AxC1-xOd, wherein A is a transition metal or precious metal and wherein C is selected from the group consisting of silicon, aluminum, titanium, zinc, and manganese. Methods for preparing the nanowire catalyst include steps of mixing a binary oxide nanowire powder having element C with a precursor of element A to form a mixture; drying the mixture; and calcining the mixture to provide the nanowire catalyst. The catalyst may be used in methods of dry methane reforming, including bi-reforming and tri-reforming of methane.
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公开(公告)号:US12214098B2
公开(公告)日:2025-02-04
申请号:US17522875
申请日:2021-11-09
Applicant: National Tsing Hua University
Inventor: Zong-Hong Lin , Yu-Jiung Lin , Imran Khan
Abstract: A catalyst adapted for generating hydrogen peroxide induced by a temperature difference and a method for environmental disinfection using the same are provided. The catalyst includes a thermoelectric material distributed on a substrate. The thermoelectric material induces a reaction between water vapor and oxygen contained in the air through a temperature difference to generate hydrogen peroxide, to serve a sterilization function through the hydrogen peroxide generated. The method for environmental disinfection using the catalyst includes the following. The catalyst is placed in an environment with a temperature difference. The catalyst is caused to induce a reaction between water vapor and oxygen contained in air through the temperature difference to generate hydrogen peroxide without applying power, and serve a sterilization function through the hydrogen peroxide generated.
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公开(公告)号:US12163455B2
公开(公告)日:2024-12-10
申请号:US18032839
申请日:2021-10-22
Applicant: BASF MOBILE EMISSIONS CATALYSTS LLC
Inventor: Matthew T. Caudle , Stanley A. Roth
IPC: F01N3/28 , B01D53/94 , B01J23/42 , B01J23/80 , B01J23/83 , B01J23/89 , B01J35/33 , B01J35/40 , B01J35/56 , B01J35/61 , B01J37/02 , F01N3/035 , F01N3/10 , F01N3/20 , H05B6/10
Abstract: The present disclosure provides a catalyst composition comprising a catalytically active platinum group metal (PGM) component disposed on or impregnated in a magnetic ferrite support material, wherein the magnetic ferrite support material is capable of inductive heating in response to an applied alternating electromagnetic field. Further provided are catalyst articles comprising such compositions, and components comprising such catalyst articles, and further comprising a conductor associated with the catalyst article for receiving current and generating an alternating electromagnetic field in response thereto, wherein the conductor is positioned such that the generated alternating electromagnetic field is applied to at least a portion of the catalyst composition, inductively heating the catalyst composition directly at the catalytic site. Also provided are exhaust gas treatment systems including such components and/or articles, and methods of treating emissions utilizing such components and systems.
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公开(公告)号:US20240382942A1
公开(公告)日:2024-11-21
申请号:US18691275
申请日:2022-09-05
Applicant: MITSUI MINING & SMELTING CO., LTD.
Inventor: Shingo AKITA , Hiroki KURIHARA
IPC: B01J35/00 , B01D53/94 , B01J23/10 , B01J23/63 , B01J35/56 , B01J37/00 , B01J37/02 , B01J37/08 , F01N3/28
Abstract: An object of the present invention is to provide an exhaust gas purification catalyst including a wall-flow type substrate and a catalyst portion, the exhaust gas purification catalyst being capable of achieving an improvement of PM collecting performance and suppression of an increase in pressure loss, and the present invention provides an exhaust gas purification catalyst (1) including a substrate (10) extending in an exhaust gas flow direction (E), and at least one of a first catalyst portion (20) and a second catalyst portion (30) each provided on the substrate (10), wherein the first catalyst portion (20) satisfies the following expressions (11) and (12): 0 . 2 0 ≤ R 11 ≤ 0.8 ( 11 ) 0.3 ≤ R 12 ≤ 0.85 , ( 12 ) and wherein the second catalyst portion (30) satisfies the following expressions (21) and (22): 0 . 2 0 ≤ R 2 1 ≤ 0 .80 ( 21 ) 0.3 ≤ R 2 2 ≤ 0 .85 . ( 22 )
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公开(公告)号:US12115523B2
公开(公告)日:2024-10-15
申请号:US18171140
申请日:2023-02-17
Inventor: Takao Masuda , Yuta Nakasaka , Takuya Yoshikawa , Sadahiro Kato , Masayuki Fukushima , Kojiro Inamori , Hiroko Takahashi , Yuichiro Banba , Kaori Sekine
IPC: B01J29/76 , B01J29/035 , B01J29/064 , B01J29/068 , B01J29/072 , B01J29/076 , B01J29/08 , B01J29/10 , B01J29/12 , B01J29/14 , B01J29/16 , B01J29/18 , B01J29/20 , B01J29/22 , B01J29/24 , B01J29/26 , B01J29/40 , B01J29/42 , B01J29/44 , B01J29/46 , B01J29/48 , B01J29/60 , B01J29/61 , B01J29/62 , B01J29/63 , B01J29/64 , B01J29/65 , B01J29/66 , B01J29/67 , B01J29/68 , B01J29/69 , B01J29/70 , B01J29/72 , B01J29/74 , B01J29/78 , B01J35/23 , B01J35/56 , B01J35/64 , B01J37/02 , B01J37/03 , B01J37/10
CPC classification number: B01J29/7669 , B01J29/035 , B01J29/0352 , B01J29/0354 , B01J29/0356 , B01J29/0358 , B01J29/064 , B01J29/068 , B01J29/072 , B01J29/076 , B01J29/085 , B01J29/10 , B01J29/12 , B01J29/14 , B01J29/16 , B01J29/185 , B01J29/20 , B01J29/22 , B01J29/24 , B01J29/26 , B01J29/405 , B01J29/42 , B01J29/44 , B01J29/46 , B01J29/48 , B01J29/605 , B01J29/61 , B01J29/62 , B01J29/63 , B01J29/64 , B01J29/655 , B01J29/66 , B01J29/67 , B01J29/68 , B01J29/69 , B01J29/7007 , B01J29/7038 , B01J29/7057 , B01J29/7088 , B01J29/7215 , B01J29/7276 , B01J29/7415 , B01J29/7476 , B01J29/76 , B01J29/7615 , B01J29/7676 , B01J29/7815 , B01J29/7876 , B01J35/23 , B01J35/56 , B01J35/643 , B01J35/647 , B01J37/0203 , B01J37/0236 , B01J37/033 , B01J37/10 , B01J2229/22 , B01J2229/38 , B01J2229/40 , C10G2300/70
Abstract: To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).
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公开(公告)号:US12109561B2
公开(公告)日:2024-10-08
申请号:US17929478
申请日:2022-09-02
Applicant: ZONEFLOW REACTOR TECHNOLOGIES, LLC
Inventor: Jared Carver , Jonathan Jay Feinstein , James Bruce Boisture
CPC classification number: B01J8/0257 , B01J8/0469 , B01J8/06 , B01J19/2415 , B01J19/244 , B01J19/32 , B01J19/249 , B01J35/56 , B01J2219/2477 , B01J2219/32275 , B01J2219/32466
Abstract: A support structure for a structured catalytic packing is disclosed. The support structure is in a fixed position relative to the reactor tube containing it. It supports catalyzed casings that are free to move relative to the support structure. The support structure and casings are inserted in the reactor tube such that the support structure is located proximate the longitudinal axis of the tube and the casings are located between the support structure and the reactor tube wall. The support structure comprises a central support tube or rod proximate to, and impervious or perforated discs perpendicular to, the longitudinal axis of the reactor tube, and may comprise spacers separating the discs.
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公开(公告)号:US20240326020A1
公开(公告)日:2024-10-03
申请号:US18614779
申请日:2024-03-25
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor: Brenda BENET RAJKUMAR , Guy CHANDLER , John TURNER , Rui LI , Olivia DUNSEATH , Chris CORRIGAN
CPC classification number: B01J23/40 , B01D53/945 , B01D53/9454 , B01J35/40 , B01J35/56 , B01J37/0018 , B01J37/0219 , B01D2255/102 , B01D2255/9155 , B01D2258/012
Abstract: A washcoat slurry comprising a platinum group metal (PGM) selected from the group consisting of Pt, Pd, Rh and mixtures thereof; an oxygen storage capacity (OSC) material having a D90 in a range of from 1 to 50 μm; an inorganic oxide support; an organic pore former; and a solvent is disclosed. A method for the manufacture of a catalytic gasoline particulate filter for the treatment of an exhaust gas comprises coating a wall-flow filter substrate with the washcoat slurry.
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公开(公告)号:US20240316496A1
公开(公告)日:2024-09-26
申请号:US18573243
申请日:2022-06-29
Applicant: BASF CORPORATION
Inventor: Gerd GRUBERT , Arne Tobias NIGGEBAUM , Emre EMMEZ , Torsten NEUBAUER , Xinyi WEI , Jeffrey B HOKE
CPC classification number: B01D53/945 , B01D53/9468 , B01J23/42 , B01J29/7484 , B01J35/19 , B01J35/56 , B01J37/0246 , B01D2255/1021 , B01D2255/1023 , B01D2255/204 , B01D2255/2073 , B01D2255/50 , B01D2255/9022 , B01D2255/9155 , B01D2257/404 , B01D2257/502 , B01D2257/702 , B01D2258/012
Abstract: The present invention relates to a NOx adsorber diesel oxidation catalyst (NA-DOC) for the treatment of an exhaust gas, 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; a NOx adsorber (NA) coating disposed on the surface of the internal walls of the substrate, said coating comprising a platinum group metal, a zeolitic material and one or more of an alkaline earth metal and manganese; and a diesel oxidation catalyst (DOC) coating, said coating comprising a platinum group metal supported on a non-zeolitic oxidic material.
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公开(公告)号:US20240299913A1
公开(公告)日:2024-09-12
申请号:US18260488
申请日:2021-12-27
Inventor: Akihiro Yoshida , Tomonori Sonoki , Kurnia Irwan , Guoqing Guan , Abuliti Abudula , Takao Masuda , Takuya Yoshikawa
IPC: B01J23/889 , B01J23/72 , B01J23/755 , B01J23/83 , B01J23/94 , B01J35/56 , B01J37/02 , B01J37/34 , B01J38/02 , C07C41/01 , C07C45/32 , C07C51/21
CPC classification number: B01J23/8892 , B01J23/72 , B01J23/755 , B01J23/83 , B01J23/94 , B01J35/56 , B01J37/0226 , B01J37/0228 , B01J37/348 , B01J38/02 , C07C41/01 , C07C45/32 , C07C51/21
Abstract: Provided are a lignin degradation catalyst that exhibits excellent lignin degradability and that is readily separated after degradation reaction, a method for producing the catalyst, and a method for degrading lignin. The lignin degradation catalyst according to the present invention contains a substrate and at least one metal compound immobilized on the substrate, wherein the at least one metal compound contains a copper compound. The method for producing a lignin degradation catalyst according to the present invention includes the step of brining a porous copper substrate into contact with a solution containing an oxidant to obtain a substrate having a copper compound immobilized thereon, or the step of subjecting a porous copper substrate to electro-oxidation to obtain a substrate having a copper compound immobilized thereon.
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公开(公告)号:US12076716B2
公开(公告)日:2024-09-03
申请号:US18173911
申请日:2023-02-24
Applicant: NGK Insulators, Ltd.
Inventor: Fumihiko Yoshioka , Yudai Kurimoto
CPC classification number: B01J35/56 , B01D46/24491 , B01D46/2474 , B01D46/2482 , B01D46/2484 , B01D46/249 , B01D53/94 , F01N3/2803 , B01D2255/9155 , B01D2259/4566 , B01D2279/30 , F01N2330/32 , F01N2330/48
Abstract: A honeycomb filter includes: a honeycomb structure having porous partition walls disposed so as to surround cells, and plugging portions disposed at any one of ends on the inflow end face and the ends on the outflow end face, of cells. In a cross section perpendicular to an extending direction of the cells, a thickness T1 of the partition walls in a central portion including a center of gravity O of the cross section is 0.17 to 0.32 mm, a thickness T2 of the partition walls in an outer peripheral portion is 70 to 90% of the thickness T1, and the outer peripheral portion extends from an outer peripheral edge of the cross section of honeycomb structure by 6 to 12% of a radius r which is from the center of gravity O of the cross section to the outer peripheral edge.
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