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公开(公告)号：US20240337441A1
公开(公告)日：2024-10-10
申请号：US18745178
申请日：2024-06-17
发明人： Michael J. Calderon , Will T. James , Dale L. Embry , Jinghua Chan , Qi Ma
CPC分类号： F25J1/0022 , F25J1/02 , F25J3/0233 , F25J3/0238 , F25J3/0247 , F25J3/08 , F25J2200/04 , F25J2200/72 , F25J2220/04
摘要： Disclosed herein are systems and processes for removing heavies during the liquefaction of a natural gas. The processes include dissolving the heavies in the natural gas by adding external natural gas liquid (NGL), followed by a staged removal of the natural gas liquid (NGL) and dissolved heavies.
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公开(公告)号：US20200340741A1
公开(公告)日：2020-10-29
申请号：US16861811
申请日：2020-04-29
IPC分类号： F25J3/02
摘要： Implementations described and claimed herein provide systems and methods for processing liquefied natural gas (LNG). In one implementation, a solvent is injected into a feed of natural gas at a solvent injection point. A mixed feed is produced from a dispersal of the solvent into the feed of natural gas. The mixed feed contains heavy components. A chilled feed is produced by chilling the mixed feed. The chilled feed includes a vapor and a condensed liquid. The condensed liquid contains a fouling portion of the heavy components condensed by the solvent during chilling. The liquid containing the fouling portion of the heavy components is separated from the vapor. The vapor is directed into a feed chiller heat exchanger following separation of the liquid containing the fouling portion of the heavy components from the vapor, such that the vapor being directed into feed chiller heat exchanger is free of freezing components.
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公开(公告)号：US12111101B2
公开(公告)日：2024-10-08
申请号：US16893992
申请日：2020-06-05
发明人： Jinghua Chan , Paul R. Davies , Qi Ma , Michael J. Calderon , Dale L. Embry
CPC分类号： F25J1/0022 , F25J3/0233 , F25J3/0238 , F25J3/0242 , F25J3/0247 , F28D3/02 , F28D3/04 , F25J2205/02 , F25J2205/04 , F25J2205/10 , F25J2215/60 , F25J2220/64 , F28D2021/0064
摘要： Implementations described and claimed herein provide systems and methods for processing liquefied natural gas (LNG). In one implementation, a feed gas is received and partially condensed into a two-phase stream by expanding the feed gas. A liquid containing fouling components is removed from the two-phase stream. A vapor generated from the two-phase stream is compressed into a compressed feed gas. The compressed feed gas is directed into a feed chiller heat exchanger. The compressed feed gas is free of the fouling components.
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公开(公告)号：US20230251032A1
公开(公告)日：2023-08-10
申请号：US18136540
申请日：2023-04-19
IPC分类号： F25J3/02
CPC分类号： F25J3/0295 , F25J3/0209 , F25J3/0247 , F25J2210/04 , F25J2220/64 , F25J2200/10
摘要： Implementations described and claimed herein provide systems and methods for processing liquefied natural gas (LNG). In one implementation, a solvent is injected into a feed of natural gas at a solvent injection point. A mixed feed is produced from a dispersal of the solvent into the feed of natural gas. The mixed feed contains heavy components. A chilled feed is produced by chilling the mixed feed. The chilled feed includes a vapor and a condensed liquid. The condensed liquid contains a fouling portion of the heavy components condensed by the solvent during chilling. The liquid containing the fouling portion of the heavy components is separated from the vapor. The vapor is directed into a feed chiller heat exchanger following separation of the liquid containing the fouling portion of the heavy components from the vapor, such that the vapor being directed into feed chiller heat exchanger is free of freezing components.
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公开(公告)号：US10899974B2
公开(公告)日：2021-01-26
申请号：US15926099
申请日：2018-03-20
发明人： Paul R. Davies , Michael J. Calderon , Dale L. Embry , David W. Larkin , Qi Ma
摘要： The invention relates to various nonlimiting embodiments that include methods, apparatuses or systems for processing natural gas comprising a heavies removal column processing natural gas and light oil reflux. The overhead stream goes to heavies treated natural gas storage. The heavies removal column reboiler bottoms stream product is input to a debutanizer column. The debutanizer column overhead lights are input to a flash drum where the bottoms is pumped through a heat exchanger as a light oil reflux input to the heavies removal column, while the debutanizer reboiler bottoms product is stored as stabilized condensate. Alternatively, debutanizer column overhead lights are sent to heavies treated gas storage and the bottoms stream product goes to a depentanizer column, the overhead lights are pumped through a heat exchanger as a light oil reflux input to the heavies removal column, while the depentanizer reboiler bottoms product is stabilized condensate.
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公开(公告)号：US12050055B2
公开(公告)日：2024-07-30
申请号：US17060586
申请日：2020-10-01
发明人： Michael J. Calderon , Will T. James , Dale L. Embry , Jinghua Chan , Qi Ma
CPC分类号： F25J1/0022 , F25J1/02 , F25J3/0233 , F25J3/0238 , F25J3/0247 , F25J3/08 , F25J2200/04 , F25J2200/72 , F25J2220/04
摘要： Disclosed herein are systems and processes for removing heavies during the liquefaction of a natural gas. The processes include dissolving the heavies in the natural gas by adding external natural gas liquid (NGL), followed by a staged removal of the natural gas liquid (NGL) and dissolved heavies.
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公开(公告)号：US12025371B2
公开(公告)日：2024-07-02
申请号：US18136540
申请日：2023-04-19
CPC分类号： F25J3/0295 , B01D53/1425 , B01D53/1431 , F25J3/0209 , F25J3/0247 , F25J2200/10 , F25J2210/04 , F25J2220/64
摘要： Implementations described and claimed herein provide systems and methods for processing liquefied natural gas (LNG). In one implementation, a solvent is injected into a feed of natural gas at a solvent injection point. A mixed feed is produced from a dispersal of the solvent into the feed of natural gas. The mixed feed contains heavy components. A chilled feed is produced by chilling the mixed feed. The chilled feed includes a vapor and a condensed liquid. The condensed liquid contains a fouling portion of the heavy components condensed by the solvent during chilling. The liquid containing the fouling portion of the heavy components is separated from the vapor. The vapor is directed into a feed chiller heat exchanger following separation of the liquid containing the fouling portion of the heavy components from the vapor, such that the vapor being directed into feed chiller heat exchanger is free of freezing components.
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公开(公告)号：US11662141B2
公开(公告)日：2023-05-30
申请号：US16861811
申请日：2020-04-29
IPC分类号： F25J3/02
CPC分类号： F25J3/0295 , F25J3/0209 , F25J3/0247 , F25J2200/10 , F25J2210/04 , F25J2220/64
摘要： Implementations described and claimed herein provide systems and methods for processing liquefied natural gas (LNG). In one implementation, a solvent is injected into a feed of natural gas at a solvent injection point. A mixed feed is produced from a dispersal of the solvent into the feed of natural gas. The mixed feed contains heavy components. A chilled feed is produced by chilling the mixed feed. The chilled feed includes a vapor and a condensed liquid. The condensed liquid contains a fouling portion of the heavy components condensed by the solvent during chilling. The liquid containing the fouling portion of the heavy components is separated from the vapor. The vapor is directed into a feed chiller heat exchanger following separation of the liquid containing the fouling portion of the heavy components from the vapor, such that the vapor being directed into feed chiller heat exchanger is free of freezing components.
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公开(公告)号：US11320197B2
公开(公告)日：2022-05-03
申请号：US15925873
申请日：2018-03-20
发明人： Dale L. Embry , Paul R. Davies , Qi Ma , David W. Larkin , Michael J. Calderon
摘要： The invention relates to a system, method and apparatus for removing heavies from natural gas. Natural gas and an external rich reflux gas feed are processed in a single column refluxed absorber. A bottoms stream is routed to a first heat exchanger and then to a stabilizer column where an overhead stream from the stabilizer column is routed through a condenser for partial separation into an overhead stream. A rich solvent may be introduced to the stabilizer column. The overhead stream is routed through a condenser for partial separation into a stabilizer reflux and a second overhead stream lights. The second overhead stream lights is routed to a heat exchanger and then routed to a partial condenser where the stream is separated into a heavies rich reflux stream, a distillate stream and heavies treated natural gas stream. The rich reflux is routed through a heat exchanger and the rich reflux is pumped to the single column refluxed absorber to be introduced into the single column refluxed absorber as the external rich reflux gas feed.
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公开(公告)号：US20210095918A1
公开(公告)日：2021-04-01
申请号：US17060586
申请日：2020-10-01
发明人： Michael J. Calderon , Will T. James , Dale L. Embry , Jinghua Chan , Qi Ma
摘要： Disclosed herein are systems and processes for removing heavies during the liquefaction of a natural gas. The processes include dissolving the heavies in the natural gas by adding external natural gas liquid (NGL), followed by a staged removal of the natural gas liquid (NGL) and dissolved heavies.
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