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公开(公告)号：US20240350969A1
公开(公告)日：2024-10-24
申请号：US18642583
申请日：2024-04-22
Applicant: Chevron U.S.A. Inc.
Inventor： Nitesh Bhuwania , Daniel Chinn , Raja Ankush Jadhav , Zihan Huang
CPC classification number: B01D53/228 , B01D71/06 , B01D2256/10 , B01D2256/12 , B01D2257/504 , B01D2258/01
Abstract: A process of preconcentrating CO2 in an exhaust gas stream includes flowing all the exhaust gas stream from an exhaust gas source to a CO2 preconcentration system. Within the CO2 preconcentration system, at least a portion of the exhaust gas stream is fed to a membrane separation module comprising a polymeric membrane that has a perm-selectivity for CO2 over N2 and O2, to produce a CO2 rich exhaust gas. The exhaust gas stream may initially have as low as 400 ppm CO2 and may be preconcentrated to over 8 vol. % CO2, thereby generating a more optimal feed for further treatment processes.
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公开(公告)号：US20220314162A1
公开(公告)日：2022-10-06
申请号：US17709598
申请日：2022-03-31
Applicant: CHEVRON U.S.A. INC.
Inventor： Raja Ankush Jadhav , Ryan Owen
Abstract: The present invention is directed to the removal of mercury from a gas phase by injecting a scavenger solution into the gas phase.
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公开(公告)号：US12083473B2
公开(公告)日：2024-09-10
申请号：US17709598
申请日：2022-03-31
Applicant: CHEVRON U.S.A. INC.
Inventor： Raja Ankush Jadhav , Ryan Owen
CPC classification number: B01D53/185 , B01D53/1493 , B01D2252/2056 , B01D2257/602
Abstract: The present invention is directed to the removal of mercury from a gas phase by injecting a scavenger solution into the gas phase.
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