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公开(公告)号：US20170350650A1
公开(公告)日：2017-12-07
申请号：US15171775
申请日：2016-06-02
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Douglas Carl Hofer , Joseph Philip DiPietro
CPC classification number: B01D53/002 , B01D53/229 , B01D53/26 , B01D2257/504 , F25J3/0266 , F25J2200/02 , F25J2205/40 , F25J2205/80 , F25J2210/04 , F25J2210/70 , F25J2215/04 , F25J2220/82 , F25J2230/20 , F25J2230/30 , F25J2240/90 , F25J2245/02 , F25J2270/90 , F25J2290/70 , Y02C10/10 , Y02C10/12
Abstract: A carbon dioxide capture system includes a first heat exchanger configured to exchange heat between an exhaust stream and a lean carbon dioxide effluent stream. The carbon dioxide capture system also includes a first turboexpander including a first compressor driven by a first turbine. The first compressor is coupled in flow communication with the first heat exchanger. The first turbine is coupled in flow communication with the first heat exchanger and configured to expand the lean carbon dioxide effluent stream. The carbon dioxide capture system further includes a carbon dioxide membrane unit coupled in flow communication with the first compressor. The carbon dioxide membrane unit is configured to separate the exhaust stream into the lean carbon dioxide effluent stream and a rich carbon dioxide effluent stream. The carbon dioxide membrane unit is further configured to channel the lean carbon dioxide effluent stream to the first heat exchanger.
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公开(公告)号：US20170348638A1
公开(公告)日：2017-12-07
申请号：US15671256
申请日：2017-08-08
Applicant: General Electric Company
IPC: B01D53/90
CPC classification number: B01D53/90 , B01D53/22 , B01D53/265 , B01D53/8646 , B01D53/8671 , B01D2251/208 , B01D2256/22 , B01D2257/104 , B01D2257/40 , B01D2257/404 , B01D2257/50 , B01D2257/502 , B01D2257/504 , B01D2257/708 , B01D2257/80
Abstract: An oxygen scavenging system that includes a first catalytic converter unit configured to receive an exhaust stream from a power production unit. The exhaust stream includes oxygen. The system also includes a hydrocarbon injection unit configured to channel a hydrocarbon stream for injection into the exhaust stream upstream from the first catalytic converter unit such that hydrocarbons from the hydrocarbon stream react with the oxygen from the exhaust stream within the first catalytic converter unit.
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公开(公告)号：US20180001259A1
公开(公告)日：2018-01-04
申请号：US15197962
申请日：2016-06-30
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Surinder Prabhjot Singh , Dan Hancu , Benjamin Rue Wood , Wei Chen , Irina Pavlovna Spiry , Joseph Philip DiPietro
CPC classification number: B01D53/78 , B01D53/1425 , B01D53/1475 , B01D53/1493 , B01D53/62 , B01D2252/2023 , B01D2252/204 , B01D2252/2041 , B01D2252/504 , B01D2258/0283 , Y02C10/04 , Y02C10/06
Abstract: A method for separating carbon dioxide (CO2) from a gas stream is disclosed, in which the gas stream is reacted with a lean aminosilicone solvent in an absorber, resulting in a rich aminosilicone solvent that is then treated in a desorber to release the CO2 and regenerate lean aminosilicone solvent in a desorption reaction. The regenerated solvent is directed into a steam-producing, indirect heat exchanger that is configured to supply steam to the desorber at a temperature high enough to augment the desorption reaction. Also, selected amounts of make-up water are added to the rich aminosilicone solvent at one or more process locations between the absorber and the desorber, to lower the viscosity of the solvent and to lower the temperature required for the desorption reaction.
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公开(公告)号：US20170368499A1
公开(公告)日：2017-12-28
申请号：US15672446
申请日：2017-08-09
Applicant: General Electric Company
Inventor： Douglas Carl Hofer , Anthony Herbert Neumayer , Joseph Philip DiPietro
CPC classification number: B01D53/229 , B01D53/002 , B01D53/226 , B01D53/265 , B01D53/62 , B01D2256/22 , F25J3/0266 , F25J2205/32 , F25J2205/34 , F25J2205/40 , F25J2205/80 , F25J2210/04 , F25J2210/70 , F25J2215/04 , F25J2230/02 , F25J2230/04 , F25J2230/20 , F25J2240/90 , F25J2245/02 , F25J2290/70 , Y02C10/10 , Y02C10/12
Abstract: A carbon dioxide capture system includes a first heat exchanger that exchanges heat between an exhaust stream and a lean carbon dioxide effluent stream. The carbon dioxide capture system also includes a second heat exchanger in flow communication with the first heat exchanger. The second heat exchanger is configured to cool the exhaust stream such that a condensate is formed, and the second heat exchanger is configured to channel a condensate stream for injection into the lean carbon dioxide effluent stream. A first turboexpander including a first compressor is driven by a first turbine. The first compressor is coupled in flow communication with the first heat exchanger. The first turbine is coupled in flow communication with the first heat exchanger and configured to expand the lean carbon dioxide effluent stream. The carbon dioxide capture system further includes a carbon dioxide membrane unit coupled in flow communication with the first compressor.
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