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公开(公告)号：US20130014643A1
公开(公告)日：2013-01-17
申请号：US13182106
申请日：2011-07-13
IPC分类号： B01D53/22
CPC分类号： B01D53/228 , B01D2256/245 , B01D2257/7022 , C07C7/144 , C10L3/101 , C07C9/04
摘要： Disclosed herein is a process for conditioning natural gas containing C3+ hydrocarbons, so that it can be used as combustion fuel to run gas-powered equipment, including gas engines and turbine-driven compressors, in the gas field or the gas processing plant. The claimed process uses glassy polymeric membranes that are preferentially permeable to methane over C2+ hydrocarbons to produce a partially purified methane stream. Conditioned fuel gas has lower heating value, higher methane number, and will result in greatly reduced emissions from the engines.
摘要翻译： 本文公开了一种用于调节含有C3 +烃的天然气的方法，使得其可以用作燃料燃料以在气田或气体处理设备中运行包括燃气发动机和涡轮驱动压缩机的气体动力设备。 所要求保护的方法使用玻璃质聚合物膜，其优先比C 2 +烃可渗透甲烷以产生部分纯化的甲烷物流。 条件燃料气体具有较低的发热量，更高的甲烷数量，并将大大减少发动机的排放。
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公开(公告)号：US20140107388A1
公开(公告)日：2014-04-17
申请号：US14132655
申请日：2013-12-18
IPC分类号： C07C7/144
CPC分类号： C07C7/144 , B01D53/228 , B01D2256/245 , B01D2257/7022 , C10L3/101 , C07C9/04
摘要： Disclosed herein is a process for conditioning natural gas containing C3+ hydrocarbons, so that it can be used as combustion fuel to run gas-powered equipment, including gas engines and turbine-driven compressors, in the gas field or the gas processing plant. The claimed process use glassy polymeric membranes that are preferentially permeable to methane over C2+ hydrocarbons to produce a partially purified methane stream. The process operates at a stage cut of at least about 5%.
摘要翻译： 本文公开了一种用于调节含有C3 +烃的天然气的方法，使得其可以用作燃料燃料以在气田或气体处理设备中运行包括燃气发动机和涡轮驱动压缩机的气体动力设备。 所要求保护的方法使用玻璃质聚合物膜，其优先通过甲烷超过C 2 +烃以产生部分纯化的甲烷流。 该过程在至少约5％的阶段切割操作。
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3.发明申请Process and System for Recovering Natural Gas Liquids (NGL) from Flare Gas Using Joule-Thomson (J-T) Cooling and Membrane Separation 审中-公开使用焦耳汤姆逊（J-T）冷却和膜分离从火炬气中回收天然气液体（NGL）的工艺和系统公开(公告)号：US20160326446A1
公开(公告)日：2016-11-10
申请号：US15145143
申请日：2016-05-03
CPC分类号： C10L3/101 , C07C7/005 , C07C7/04 , C07C7/12 , C07C7/144 , C07C7/20 , C10G5/06 , C10G70/045 , C10G2300/1025 , C10G2300/1033 , C10L3/106 , C10L3/107 , C10L2200/0461 , C10L2270/04 , C10L2290/06 , C10L2290/08 , C10L2290/10 , C10L2290/46 , C10L2290/541 , C10L2290/543 , C10L2290/548 , F25J3/0635
摘要： A process and system for recovering natural gas liquids (NGL) using a combination of J-T cooling and membrane separation. The process involves compressing, separating, and cooling a flare gas stream comprising at least methane and C3+ hydrocarbons prior to being introduced to a J-T valve. The cooled stream exiting the J-T valve is further separated, producing a NGL product stream and an uncondensed gas stream. The uncondensed gas stream is directed to a membrane separation step, which results in a C3+ hydrocarbon enriched stream and a C3+ hydrocarbon depleted stream. The C3+ hydrocarbon enriched stream may be recycled back to the process to recover more NGL.
摘要翻译： 使用J-T冷却和膜分离的组合回收天然气液体（NGL）的方法和系统。 该方法包括在引入J-T阀之前压缩，分离和冷却至少包含甲烷和C 3+烃的火炬气流。 离开J-T阀的冷却流进一步分离，产生NGL产物流和未冷凝的气流。 未冷凝的气流被引导到膜分离步骤，其导致C3 +烃富集流和C3 +烃贫化流。 可以将C3 +烃富集流再循环回该过程以回收更多的NGL。
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公开(公告)号：US20180346833A1
公开(公告)日：2018-12-06
申请号：US16055874
申请日：2018-08-06
IPC分类号： C10L3/10 , F25J3/06 , C07C7/04 , C07C7/12 , C07C7/144 , C07C7/20 , C10G5/06 , C10G70/04 , C07C7/00
CPC分类号： C10L3/101 , C07C7/005 , C07C7/04 , C07C7/12 , C07C7/144 , C07C7/20 , C10G5/06 , C10G70/045 , C10G2300/1025 , C10G2300/1033 , C10L3/106 , C10L3/107 , C10L2200/0461 , C10L2270/04 , C10L2290/06 , C10L2290/08 , C10L2290/10 , C10L2290/46 , C10L2290/541 , C10L2290/543 , C10L2290/548 , F25J3/0635
摘要： A process and system for recovering natural gas liquids (NGL) using a combination of J-T cooling and membrane separation. The process involves compressing, separating, and cooling a flare gas stream comprising at least methane and C3+ hydrocarbons prior to being introduced to a J-T valve. The cooled stream exiting the J-T valve is further separated, producing a NGL product stream and an uncondensed gas stream. The uncondensed gas stream is directed to a membrane separation step, which results in a C3+ hydrocarbon enriched stream and a C3+ hydrocarbon depleted stream. The C3+ hydrocarbon enriched stream may be recycled back to the process to recover more NGL.
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公开(公告)号：US10738254B2
公开(公告)日：2020-08-11
申请号：US16055874
申请日：2018-08-06
IPC分类号： B01D63/00 , B01D3/00 , C10L3/10 , C10G70/04 , C10G5/06 , C07C7/00 , C07C7/04 , C07C7/12 , C07C7/144 , C07C7/20 , F25J3/06
摘要： A process and system for recovering natural gas liquids (NGL) using a combination of J-T cooling and membrane separation. The process involves compressing, separating, and cooling a flare gas stream comprising at least methane and C3+ hydrocarbons prior to being introduced to a J-T valve. The cooled stream exiting the J-T valve is further separated, producing a NGL product stream and an uncondensed gas stream. The uncondensed gas stream is directed to a membrane separation step, which results in a C3+ hydrocarbon enriched stream and a C3+ hydrocarbon depleted stream. The C3+ hydrocarbon enriched stream may be recycled back to the process to recover more NGL.
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公开(公告)号：US10059895B2
公开(公告)日：2018-08-28
申请号：US15145143
申请日：2016-05-03
IPC分类号： C10L3/10 , C10G70/04 , C10G5/06 , C07C7/00 , C07C7/04 , C07C7/12 , C07C7/144 , C07C7/20 , F25J3/06
CPC分类号： C10L3/101 , C07C7/005 , C07C7/04 , C07C7/12 , C07C7/144 , C07C7/20 , C10G5/06 , C10G70/045 , C10G2300/1025 , C10G2300/1033 , C10L3/106 , C10L3/107 , C10L2200/0461 , C10L2270/04 , C10L2290/06 , C10L2290/08 , C10L2290/10 , C10L2290/46 , C10L2290/541 , C10L2290/543 , C10L2290/548 , F25J3/0635
摘要： A process and system for recovering natural gas liquids (NGL) using a combination of J-T cooling and membrane separation. The process involves compressing, separating, and cooling a flare gas stream comprising at least methane and C3+ hydrocarbons prior to being introduced to a J-T valve. The cooled stream exiting the J-T valve is further separated, producing a NGL product stream and an uncondensed gas stream. The uncondensed gas stream is directed to a membrane separation step, which results in a C3+ hydrocarbon enriched stream and a C3+ hydrocarbon depleted stream. The C3+ hydrocarbon enriched stream may be recycled back to the process to recover more NGL.
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公开(公告)号：US09221730B2
公开(公告)日：2015-12-29
申请号：US14132655
申请日：2013-12-18
CPC分类号： C07C7/144 , B01D53/228 , B01D2256/245 , B01D2257/7022 , C10L3/101 , C07C9/04
摘要： Disclosed herein is a process for conditioning natural gas containing C3+ hydrocarbons, so that it can be used as combustion fuel to run gas-powered equipment, including gas engines and turbine-driven compressors, in the gas field or the gas processing plant. The claimed process use glassy polymeric membranes that are preferentially permeable to methane over C2+ hydrocarbons to produce a partially purified methane stream. The process operates at a stage cut of at least about 5%.
摘要翻译： 本文公开了一种用于调节含有C3 +烃的天然气的方法，使得其可以用作燃料燃料以在气田或气体处理设备中运行包括燃气发动机和涡轮驱动压缩机的气体动力设备。 所要求保护的方法使用玻璃质聚合物膜，其优先通过甲烷超过C 2 +烃以产生部分纯化的甲烷流。 该过程在至少约5％的阶段切割操作。
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公开(公告)号：US20150059577A1
公开(公告)日：2015-03-05
申请号：US14538340
申请日：2014-11-11
CPC分类号： B01D63/12 , B01D46/0004 , B01D46/0019 , B01D46/003 , B01D46/24 , B01D50/00 , B01D53/22 , B01D53/229 , B01D63/10 , B01D65/025 , B01D2256/245 , B01D2257/108 , B01D2257/304 , B01D2257/504 , B01D2257/7022 , B01D2257/80 , B01D2311/04 , B01D2313/13 , B01D2313/20 , B01D2313/21 , B01D2313/90 , B01D2317/04 , B01D2319/04 , C10L3/101 , Y02C10/10 , B01D2311/2649
摘要： A membrane separation assembly that includes an integrated filter element and at least one membrane module housed within a first vessel and a second vessel containing at least one membrane module, which is stacked or aligned adjacent to the first vessel. The first vessel is configured to allow liquids to be trapped and removed from the assembly, and gases to flow to and through the membrane modules of the first vessel and the membrane modules of the second vessel, which are ultimately withdrawn from the assembly. The assembly is useful in the conditioning of fuel gas to separate methane from C2+ hydrocarbons.
摘要翻译： 一种膜分离组件，其包括集成的过滤元件和容纳在第一容器内的至少一个膜组件和包含至少一个膜组件的第二容器，所述膜组件与第一容器相邻地堆叠或排列。 第一容器构造成允许液体从组件中被捕获和移除，并且气体流入并通过第一容器的膜组件和第二容器的膜组件，其最终从组件中取出。 该组件可用于调节燃料气体以从C2 +烃分离甲烷。
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公开(公告)号：US08906143B2
公开(公告)日：2014-12-09
申请号：US13224891
申请日：2011-09-02
CPC分类号： B01D46/0004 , B01D46/0019 , B01D46/003 , B01D46/24 , B01D50/00 , B01D53/22 , B01D53/229 , B01D63/10 , B01D65/025 , B01D2256/245 , B01D2257/108 , B01D2257/304 , B01D2257/504 , B01D2257/7022 , B01D2257/80 , B01D2311/04 , B01D2313/20 , B01D2313/90 , C10L3/101 , Y02C10/10 , B01D2311/2649
摘要： Disclosed herein is a membrane separation apparatus that includes an integrated filter element and a membrane element housed within a single vessel. The vessel is configured to allow liquids to be trapped and removed from the vessel, and gases to flow to and through the membrane element. The apparatus is useful in the conditioning of fuel gas to separate methane from C2+ hydrocarbons.
摘要翻译： 本文公开了一种膜分离装置，其包括集成的过滤元件和容纳在单个容器内的膜元件。 容器构造成允许液体被捕获并从容器中移出，并且气体流入并穿过膜元件。 该装置可用于调节燃料气体以从C2 +烃分离甲烷。
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公开(公告)号：US06630011B1
公开(公告)日：2003-10-07
申请号：US10245904
申请日：2002-09-17
IPC分类号： B01D5322
CPC分类号： B01D53/225 , B01D2257/102
摘要： A process for treating natural gas or other methane-rich gas to remove excess nitrogen. The invention relies on two-stage membrane separation, using methane-selective membranes for the first stage and nitrogen-selective membranes for the second stage. The process enables the nitrogen content of the gas to be substantially reduced, without requiring the membranes to be operated at very low temperatures.
摘要翻译： 一种处理天然气或其他富甲烷气体以除去过量氮气的方法。 本发明依赖于两级膜分离，使用甲烷选择性膜用于第一级，氮选择性膜用于第二级。 该方法使得气体的氮含量大大降低，而不需要膜在非常低的温度下操作。
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