公开(公告)号：US20250018376A1

公开(公告)日：2025-01-16

申请号：US18350352

申请日：2023-07-11

Applicant: Saudi Arabian Oil Company

Inventor： Nouf Aljabri

IPC: B01J21/08 ,  B01J23/755 ,  B01J23/83 ,  B01J35/00 ,  B01J35/02 ,  B01J35/06 ,  B01J35/10 ,  B01J37/00 ,  B01J37/02 ,  B01J37/08 ,  C01B3/40 ,  C09K8/594 ,  C09K8/66 ,  E21B43/00 ,  E21B43/16 ,  E21B43/26

Abstract: The disclosure relates to catalysts that include a fibrous silica support and a plurality of metal oxide nanoparticles including iron oxide and nickel oxide, and methods of making and using such catalysts. The fibrous silica support is a particle with radially extending fibers. The catalyst can used to convert methane into hydrogen gas. The catalysts can be introduced into an underground formation, such as with a fracking fluid, for in-situ methane conversion.

公开(公告)号：US12109553B2

公开(公告)日：2024-10-08

申请号：US17309893

申请日：2020-01-09

Applicant: Heraeus Deutschland Gmbh & Co. KG

Inventor： Willi Boll ,  Dirk Maier

IPC: B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J35/06 ,  B01J35/58 ,  C01B21/26 ,  C01B21/38

CPC classification number: B01J23/464 ,  B01J35/58 ,  C01B21/38 ,  C01B21/265

Abstract: Known catalyst systems for the catalytic combustion of ammonia to form nitrogen oxides consist of a plurality of catalyst gauze layers which are knitted, woven or braided from platinum-based precious metal wire, which form a catalyst package when arranged after one another when viewed in a fresh gas flow direction. In order to provide a catalyst system on this basis for use in a medium-pressure system, with which a yield of the main product NO comparable to the industry standard can be achieved despite the reduced precious metal use, according to the invention, the catalyst package is formed from a front assembly with three catalyst gauzes with a first average mass per unit area and a downstream assembly of catalyst gauze layers arranged after the front assembly and having a second average mass per unit area, wherein the average mass per unit area of the front assembly has a short weight in the region of 1.5% to 29% in relation to the second average mass per unit area, and the first average mass per unit area lies in the regions of 410 to 30 g/m2 and the second average mass per unit area lies in the region of 540 to 790 g/m2.

公开(公告)号：US20240269655A1

公开(公告)日：2024-08-15

申请号：US18110290

申请日：2023-02-15

Applicant: Prometheus Fuels, Inc

Inventor： Robert McGinnis

IPC: B01J23/72 ,  B01J21/18 ,  B01J35/00 ,  B01J35/06 ,  B01J37/02

CPC classification number: B01J23/72 ,  B01J21/18 ,  B01J35/33 ,  B01J35/59 ,  B01J37/0215

Abstract: The present disclosure provides systems and methods for functionalizing surfaces for the conversion of carbon dioxide, including a method comprising: (a) providing a substrate, wherein said substrate comprises one or more pores or a pore-like structure; (b) electrodepositing one or more metal nanoparticles on said one or more pores or said pore-like structure; and (c) attaching, bonding, or depositing a catalyst on said one or more pores or said pore-like structure, wherein said catalyst comprises nitrogen-doped carbon or one or more copper nanoparticles.

公开(公告)号：US20240116006A1

公开(公告)日：2024-04-11

申请号：US18376332

申请日：2023-10-03

Applicant: REGENTS OF THE UNIVERSITY OF MICHIGAN

Inventor： Suljo Linic ,  James Wortman ,  Rawan Almallahi

IPC: B01D69/14 ,  B01D53/22 ,  B01D69/08 ,  B01D71/02 ,  B01J21/08 ,  B01J23/62 ,  B01J35/00 ,  B01J35/06 ,  B01J35/10 ,  B01J37/02 ,  C07C5/48

CPC classification number: B01D69/145 ,  B01D53/22 ,  B01D69/08 ,  B01D71/025 ,  B01J21/08 ,  B01J23/626 ,  B01J35/0013 ,  B01J35/065 ,  B01J35/1061 ,  B01J37/0201 ,  C07C5/48 ,  B01D2257/108 ,  C07C2523/62

Abstract: A catalyst system for propane dehydrogenation includes a hollow fiber members packed with a Pt1Sn1/SiO2 catalyst. The hollow fiber membrane includes a separation layer coated on an interior surface of a support tube. The separation layer selectively removes H2 generated during the propane dehydrogenation reaction.

公开(公告)号：US20240066513A1

公开(公告)日：2024-02-29

申请号：US18258589

申请日：2021-12-17

Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.

Inventor： James August MCCARTHY ,  Jingyu SHI ,  Stephen DAHAR ,  Patrick NGUYEN VAN NUOI

IPC: B01J35/06 ,  B01J35/00 ,  B01J35/02 ,  B01J35/10

CPC classification number: B01J35/06 ,  B01J35/0026 ,  B01J35/026 ,  B01J35/1004 ,  B01J35/1033

Abstract: A method of forming a batch of porous catalytic carrier filaments may include providing a precursor mixture, forcing the precursor mixture at a fixed rate through an orifice and then through a multiplicity of perforations in a belt, where the belt moves across and in tight registry with said orifice to form a batch of precursor catalytic carrier filaments, drying the batch of precursor porous catalytic carrier filaments to form the batch of porous catalytic carrier filaments, and firing (i.e. calcining) the batch of greenware porous catalytic carrier filaments to form the batch of porous catalytic carrier filaments. The batch of porous catalytic carrier filaments may have an average pore volume of at least about 0.1 cm3/g.

公开(公告)号：US11857950B2

公开(公告)日：2024-01-02

申请号：US17528849

申请日：2021-11-17

Applicant: BATTELLE MEMORIAL INSTITUTE

Inventor： Konstantin Khivantsev ,  Libor Kovarik ,  Janos Szanyi ,  Yong Wang ,  Ja-Hun Kwak ,  Nicholas R. Jaegers

IPC: B01J21/04 ,  B01J23/44 ,  B01J23/46 ,  B01J35/06 ,  B01J35/10 ,  B01J37/02 ,  B01J37/08

CPC classification number: B01J21/04 ,  B01J23/44 ,  B01J23/464 ,  B01J35/06 ,  B01J35/1014 ,  B01J37/0207 ,  B01J37/088

Abstract: A material and a method of making hydrothermally stable (catalytic) materials on the basis of theta-alumina support that is thermally and hydrothermally stable up to 1,150 C with metal, mixed metal-, metal-oxide nanoparticles dispersed upon it. Such materials did not lose significant amounts of their catalytic activity at temperature ranges for industrially relevant applications (including hydrocarbon oxidation, nitric oxide reduction, carbon monoxide oxidation) even after hydrothermal aging up to 1,150° C.

公开(公告)号：US20230381699A1

公开(公告)日：2023-11-30

申请号：US18030424

申请日：2021-10-26

Applicant: Zhejiang Zhiyuan Environmental Technology Co., Ltd.

Inventor： Huilin Li ,  Qiqi Chu ,  Guogan Deng ,  Kanli Shen ,  Qiang Shen ,  Jinhua Zhu ,  Yangzhou He

IPC: B01D39/20 ,  B01F35/71 ,  B01D46/00 ,  B01J23/648 ,  B01J35/04 ,  B01J35/06 ,  B01J37/02 ,  B01J37/03 ,  B01J37/08

CPC classification number: B01D39/2082 ,  B01F35/7176 ,  B01F35/71805 ,  B01D46/0001 ,  B01D46/0027 ,  B01J23/6482 ,  B01J35/04 ,  B01J35/06 ,  B01J37/0219 ,  B01J37/038 ,  B01J37/08 ,  B01D2239/0407 ,  B01D2239/0492 ,  B01D2239/10 ,  B01D2239/1208

Abstract: The present disclosure relates to a method for adjusting grouting parameters in preparation of a ceramic composite fiber-based catalytic filter tube, and a method and a device for preparing a ceramic composite fiber-based catalytic filter tube. In the present disclosure, a loading reference value of a slurry is determined by a fiber length, a pH value, and a solid phase content of the slurry, thus evaluating a performance value of the slurry; initial working parameters for preparation are determined by comparing the loading reference value of the slurry with a preset value. During the actual preparation, a grouting amount is introduced to conduct conversion check on a quality of the slurry, so as to ensure a grouting pressure and a grouting pressure holding time during the grouting.

公开(公告)号：US11826726B2

公开(公告)日：2023-11-28

申请号：US17860405

申请日：2022-07-08

Applicant: Qingdao University of Science and Technology

Inventor： Yinglong Wang ,  Peizhe Cui ,  Zhaoyou Zhu ,  Fanqing Meng ,  Xin Li ,  Jianguang Qi ,  Limei Zhong ,  Deping Du ,  Bingkun Xia ,  Jianbo Jia ,  Zuxing Kou

IPC: B01J23/06 ,  B01J20/20 ,  B01J37/02 ,  B01J37/08 ,  B01J37/10 ,  B01J35/06 ,  B01J35/00 ,  C07C51/347 ,  B01J35/02

CPC classification number: B01J23/06 ,  B01J20/20 ,  B01J35/0013 ,  B01J35/023 ,  B01J35/06 ,  B01J37/0217 ,  B01J37/0228 ,  B01J37/0236 ,  B01J37/088 ,  C07C51/347

Abstract: The present disclosure provides an active zinc-based catalyst and a preparation method thereof, and use in catalyzing a rearrangement reaction of ibuprofen. The active zinc-based catalyst includes a carbon-based fiber material and nano-zinc oxide supported on a fiber surface of the carbon-based fiber material. The active zinc-based catalyst is introduced with the carbon-based fiber material, and the carbon-based fiber material is capable of increasing a specific surface area of the catalyst, thereby improving a dispersion degree of zinc oxide, increasing the number of catalytic active sites, and significantly improving a catalytic activity. Meanwhile, due to a certain mechanical strength, the carbon-based fiber material is capable of improving a mechanical strength of the catalyst, making the catalyst exist stably in ketal fluid, maintaining a stable morphology of the catalyst, and avoiding or inhibiting reduction of the catalytic active sites, thereby ensuring a catalytic stability.

公开(公告)号：US20230338931A1

公开(公告)日：2023-10-26

申请号：US18082298

申请日：2022-12-15

Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Jung Ho HWANG ,  Sang Mo KANG ,  Gi Hyeon YU ,  Do Heon KIM

IPC: B01J23/50 ,  B01J21/06 ,  B01J35/00 ,  B01J35/06 ,  B01J37/34 ,  B01J37/08 ,  B01J37/12 ,  B01J37/00

CPC classification number: B01J23/50 ,  B01J21/063 ,  B01J35/0013 ,  B01J35/06 ,  B01J35/004 ,  B01J37/347 ,  B01J37/088 ,  B01J37/12 ,  B01J37/0018

Abstract: The present invention relates to a method for preparing titanium dioxide nanofibers surface-doped with noble metal ions through electrohydrodynamic transport. Titanium dioxide nanofibers according to the present invention can be used for reducing viruses, bacteria, and volatile organic compounds in the air.

公开(公告)号：US20230311096A1

公开(公告)日：2023-10-05

申请号：US17860405

申请日：2022-07-08

Applicant: Qingdao University of Science and Technology

Inventor： Yinglong WANG ,  Peizhe CUI ,  Zhaoyou ZHU ,  Fanqing MENG ,  Xin LI ,  Jianguang QI ,  Limei ZHONG ,  Deping DU ,  Bingkun XIA ,  Jianbo JIA ,  Zuxing KOU

IPC: B01J23/06 ,  B01J20/20 ,  B01J35/06 ,  B01J35/00 ,  B01J35/02 ,  B01J37/02 ,  B01J37/08 ,  C07C51/347

CPC classification number: B01J23/06 ,  B01J20/20 ,  B01J35/0013 ,  B01J35/023 ,  B01J35/06 ,  B01J37/0217 ,  B01J37/0228 ,  B01J37/0236 ,  B01J37/088 ,  C07C51/347

Abstract: The present disclosure provides an active zinc-based catalyst and a preparation method thereof, and use in catalyzing a rearrangement reaction of ibuprofen. The active zinc-based catalyst includes a carbon-based fiber material and nano-zinc oxide supported on a fiber surface of the carbon-based fiber material. The active zinc-based catalyst is introduced with the carbon-based fiber material, and the carbon-based fiber material is capable of increasing a specific surface area of the catalyst, thereby improving a dispersion degree of zinc oxide, increasing the number of catalytic active sites, and significantly improving a catalytic activity. Meanwhile, due to a certain mechanical strength, the carbon-based fiber material is capable of improving a mechanical strength of the catalyst, making the catalyst exist stably in ketal fluid, maintaining a stable morphology of the catalyst, and avoiding or inhibiting reduction of the catalytic active sites, thereby ensuring a catalytic stability.