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1. 发明授权

US06526777B1 LNG production in cryogenic natural gas processing plants 失效
标题翻译：低温天然气加工厂的液化天然气生产
公开(公告)号：US06526777B1
公开(公告)日：2003-03-04
申请号：US09839907
申请日：2001-04-20
申请人： Roy E. Campbell , John D. Wilkinson , Hank M. Hudson , Kyle T. Cuellar
发明人： Roy E. Campbell , John D. Wilkinson , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J302
CPC分类号： F25J3/0242 , F25J1/0022 , F25J1/0035 , F25J1/004 , F25J1/0042 , F25J1/0201 , F25J1/0229 , F25J3/0209 , F25J3/0233 , F25J3/0238 , F25J2200/04 , F25J2200/70 , F25J2200/72 , F25J2205/04 , F25J2210/06 , F25J2215/04 , F25J2220/60 , F25J2220/62 , F25J2220/66 , F25J2230/60 , F25J2235/60 , F25J2240/02 , F25J2240/30 , F25J2240/40 , F25J2245/02 , F25J2260/20 , F25J2270/02 , F25J2270/90 , F25J2290/12 , F25J2290/62
摘要： A process for liquefying natural gas in conjunction with processing natural gas to recover natural gas liquids (NGL) is disclosed. In the process, the natural gas stream to be liquefied is taken from one of the streams in the NGL recovery plant and cooled under pressure to condense it. A distillation stream is withdrawn from the NGL recovery plant to provide some of the cooling required to condense the natural gas stream. The condensed natural gas stream is expanded to an intermediate pressure and supplied to a mid-column feed point on a distillation column. The bottom product from this distillation column preferentially contains the majority of any hydrocarbons heavier than methane that would otherwise reduce the purity of the liquefied natural gas, and is routed to the NGL recovery plant so that these heavier hydrocarbons can be recovered in the NGL product. The overhead vapor from the distillation column is cooled and condensed, and a portion of the condensed stream is supplied to a top feed point on the distillation column to serve as reflux. A second portion of the condensed stream is expanded to low pressure to form the liquefied natural gas stream.
摘要翻译：公开了天然气液化天然气加工天然气回收天然气液体（NGL）的方法。在此过程中，待液化的天然气流从NGL回收设备中的一条流中取出，并在压力下冷却以使其冷凝。将蒸馏物流从NGL回收装置中取出以提供冷凝天然气流所需的一些冷却。将冷凝的天然气流扩展到中间压力并供应到蒸馏塔上的中间塔进料点。来自该蒸馏塔的底部产物优选包含比甲烷重的任何烃的大部分，否则会降低液化天然气的纯度，并被送往NGL回收设备，以便可以在NGL产物中回收这些较重的烃。来自蒸馏塔的塔顶蒸气被冷却并冷凝，并且将一部分冷凝流供应到蒸馏塔上的顶部进料点以用作回流。冷凝流的第二部分膨胀到低压以形成液化的天然气流。

2. 发明授权

US09939196B2 Hydrocarbon gas processing including a single equipment item processing assembly 有权
公开(公告)号：US09939196B2
公开(公告)日：2018-04-10
申请号：US12792136
申请日：2010-06-02
申请人： Andrew F. Johnke , W. Larry Lewis , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
发明人： Andrew F. Johnke , W. Larry Lewis , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J3/02
CPC分类号： F25J3/0209 , F25J3/0233 , F25J3/0266 , F25J3/0295 , F25J2200/02 , F25J2200/50 , F25J2200/74 , F25J2200/80 , F25J2205/04 , F25J2215/04 , F25J2235/80 , F25J2240/02 , F25J2240/40 , F25J2260/20 , F25J2260/80 , F25J2270/02 , F25J2270/90 , F25J2290/40 , Y02C10/12
摘要： A process and an apparatus are disclosed for a compact processing assembly to remove carbon dioxide from a hydrocarbon gas stream. The gas stream is cooled, expanded to intermediate pressure, and fed to the top of a mass transfer means. A distillation liquid stream from the mass transfer means is heated in a first heat and mass transfer means to strip out its volatile components and form a bottom liquid product. A distillation vapor stream from the mass transfer means is combined with any vapor in the expanded cooled gas stream, and the combined vapor stream is cooled in a second heat and mass transfer means to partially condense it, forming a condensed stream that is fed to the top of the mass transfer means. A portion of the bottom liquid product is subcooled, expanded to lower pressure, and used to cool the combined vapor stream.

3. 发明授权

US09068774B2 Hydrocarbon gas processing 有权
标题翻译：烃类气体加工
公开(公告)号：US09068774B2
公开(公告)日：2015-06-30
申请号：US13052575
申请日：2011-03-21
申请人： Andrew F. Johnke , W. Larry Lewis , L. Don Tyler , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
发明人： Andrew F. Johnke , W. Larry Lewis , L. Don Tyler , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J3/00 , F25J3/02
CPC分类号： F25J3/0209 , F25J3/0233 , F25J3/0238 , F25J3/0242 , F25J2200/02 , F25J2200/70 , F25J2200/74 , F25J2200/78 , F25J2200/80 , F25J2205/02 , F25J2205/04 , F25J2235/60 , F25J2240/02 , F25J2270/02 , F25J2270/12 , F25J2270/60 , F25J2290/40 , F25J2290/42
摘要： A process and an apparatus are disclosed for a compact processing assembly to recover C2 (or C3) components and heavier hydrocarbon components from a hydrocarbon gas stream. The gas stream is cooled and divided into first and second streams. The first stream is further cooled, expanded to lower pressure, and supplied as a feed between two absorbing means. The second stream is expanded to lower pressure and supplied as a bottom feed to the lower absorbing means. A distillation liquid stream from the bottom of the lower absorbing means is heated in a heat and mass transfer means to strip out its volatile components. A distillation vapor stream from the top of the heat and mass transfer means is cooled by a distillation vapor stream from the top of the upper absorbing means, thereby forming a condensed stream that is supplied as a top feed to the upper absorbing means.
摘要翻译：公开了一种用于紧凑加工组件以从烃气流中回收C2（或C3）组分和较重烃组分的方法和装置。将气流冷却并分成第一和第二流。第一流进一步冷却，膨胀至较低压力，并作为两个吸收装置之间的进料供应。将第二流膨胀到较低压力并作为底部进料供给到下部吸收装置。来自下部吸收装置的底部的蒸馏液体流在热和质量传递装置中被加热以除去其挥发性组分。来自热和质量传递装置的顶部的蒸馏蒸汽流由上吸收装置的顶部的蒸馏蒸气流冷却，从而形成作为顶部进料供应到上部吸收装置的冷凝流。

4. 发明授权

US09057558B2 Hydrocarbon gas processing including a single equipment item processing assembly 有权
标题翻译：烃气处理包括单个设备项目处理组件
公开(公告)号：US09057558B2
公开(公告)日：2015-06-16
申请号：US13053792
申请日：2011-03-22
申请人： Andrew F. Johnke , W. Larry Lewis , L. Don Tyler , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
发明人： Andrew F. Johnke , W. Larry Lewis , L. Don Tyler , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J3/00 , F25J3/02 , C10G5/06
CPC分类号： F25J3/0209 , C10G5/06 , C10G2300/1025 , F25J3/0233 , F25J3/0238 , F25J3/0242 , F25J2200/02 , F25J2200/70 , F25J2200/74 , F25J2200/80 , F25J2205/02 , F25J2205/04 , F25J2210/06 , F25J2235/60 , F25J2240/02 , F25J2270/02 , F25J2270/12 , F25J2270/60 , F25J2290/40 , F25J2290/42
摘要： A process and an apparatus are disclosed for a compact processing assembly to recover C2 (or C3) and heavier hydrocarbon components from a hydrocarbon gas stream. The gas stream is cooled and divided into first and second streams. The first stream is further cooled, expanded to lower pressure, heated, and its liquid fraction is supplied as a first top feed to an absorbing means. The second stream is expanded to lower pressure and supplied as a bottom feed to the absorbing means. A distillation vapor stream from the absorbing means is combined with the vapor fraction of the first stream, then cooled by the expanded first stream to form a condensed stream that is supplied as a second top feed to the absorbing means. A distillation liquid stream from the bottom of the absorbing means is heated in a heat and mass transfer means to strip out its volatile components.
摘要翻译：公开了一种用于紧凑加工组件从烃气流中回收C2（或C3）和较重烃组分的方法和装置。将气流冷却并分成第一和第二流。将第一流进一步冷却，膨胀至较低压力，加热，并将其液体馏分作为第一顶部进料供应至吸收装置。第二流膨胀到较低的压力，并作为底部进料供给到吸收装置。来自吸收装置的蒸馏蒸汽物流与第一物流的蒸气馏分组合，然后通过膨胀的第一物流冷却，形成作为第二顶部进料供给到吸收装置的冷凝物流。来自吸收装置底部的蒸馏液体流在热和质量传递装置中被加热以除去其挥发性组分。

5. 发明授权

US08881549B2 Hydrocarbon gas processing 有权
标题翻译：烃类气体加工
公开(公告)号：US08881549B2
公开(公告)日：2014-11-11
申请号：US12750862
申请日：2010-03-31
申请人： Andrew F. Johnke , W. Larry Lewis , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
发明人： Andrew F. Johnke , W. Larry Lewis , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J3/00 , C10G5/06 , F25J3/02
CPC分类号： C10G5/06 , C10G2400/20 , F25J3/0209 , F25J3/0219 , F25J3/0233 , F25J3/0238 , F25J3/0242 , F25J2200/02 , F25J2200/30 , F25J2200/70 , F25J2200/78 , F25J2200/80 , F25J2205/04 , F25J2210/06 , F25J2210/12 , F25J2240/02 , F25J2270/12 , F25J2270/60 , F25J2290/40 , F25J2290/42 , Y02C20/20
摘要： A process and an apparatus are disclosed for a compact processing assembly to recover propane, propylene, and heavier hydrocarbon components from a hydrocarbon gas stream. The gas stream is cooled, expanded to lower pressure, and fed to an absorbing means. A first distillation liquid stream from the absorbing means is fed to a mass transfer means. A first distillation vapor stream from the mass transfer means is cooled to partially condense it, forming a residual vapor stream and a condensed stream. The condensed stream is supplied as the top feed to the absorbing means. A second distillation vapor stream from the absorbing means is heated by cooling the first distillation vapor stream, combined with the residual vapor stream, and heated by cooling the gas stream. A second distillation liquid stream from the mass transfer means is heated in a heat and mass transfer means to strip out its volatile components.
摘要翻译：公开了用于从烃气流中回收丙烷，丙烯和较重烃组分的紧凑加工组件的方法和设备。将气流冷却，膨胀至较低压力，并送入吸收装置。来自吸收装置的第一蒸馏液流被供给到传质装置。将来自传质装置的第一蒸馏蒸气物流冷却以使其部分冷凝，形成残留的蒸气流和冷凝物流。冷凝流作为顶部进料供给到吸收装置。来自吸收装置的第二蒸馏蒸汽流通过冷却第一蒸馏蒸汽流而加热，与残余蒸气流组合，并通过冷却气流加热。来自质量传递装置的第二蒸馏液体流在热和质量传递装置中被加热以除去其挥发性组分。

6. 发明申请

US20100031700A1 Liquefied natural gas and hydrocarbon gas processing 有权
标题翻译：液化天然气和碳氢化合物气体加工
公开(公告)号：US20100031700A1
公开(公告)日：2010-02-11
申请号：US12479061
申请日：2009-06-05
申请人： John D. Wilkinson , Hank M. Hudson , Kyle T. Cuellar
发明人： John D. Wilkinson , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J3/00
CPC分类号： F25J1/0231 , F25J1/0022 , F25J1/0035 , F25J1/0037 , F25J1/004 , F25J1/0045 , F25J1/0201 , F25J1/023 , F25J1/0232 , F25J3/0209 , F25J3/0233 , F25J2200/02 , F25J2200/72 , F25J2205/04 , F25J2210/06 , F25J2215/02 , F25J2215/04 , F25J2220/64 , F25J2230/60 , F25J2240/02 , F25J2245/02 , F25J2245/90 , F25J2260/10 , F25J2260/60 , F25J2270/02
摘要： A process and an apparatus for liquefying a portion of a natural gas stream are disclosed. The natural gas stream is cooled under pressure and divided into a first stream and a second stream. The first stream is cooled, expanded to an intermediate pressure, and supplied to a lower feed point on a distillation column. The second stream is expanded to the intermediate pressure and divided into two portions. One portion is cooled and then supplied to a mid-column feed point on the distillation column; the other portion is used to cool the first stream. The bottom product from this distillation column preferentially contains the majority of any hydrocarbons heavier than methane that would otherwise reduce the purity of the liquefied natural gas, so that the overhead vapor from the distillation column contains essentially only methane and lighter components. This overhead vapor is cooled and condensed, and a portion of the condensed stream is supplied to a top feed point on the distillation column to serve as reflux. A second portion of the condensed stream is expanded to low pressure to form the liquefied natural gas stream.
摘要翻译：公开了一种用于液化天然气流的一部分的方法和装置。将天然气流在压力下冷却并分成第一流和第二流。将第一流冷却，膨胀至中间压力，并供给到蒸馏塔上的下进料点。将第二流扩展到中间压力并分成两部分。一部分被冷却，然后供应到蒸馏塔上的中间柱进料点; 另一部分用于冷却第一流。来自该蒸馏塔的底部产物优选含有比甲烷重的任何烃的大部分，否则会降低液化天然气的纯度，使得来自蒸馏塔的塔顶蒸气基本上仅含有甲烷和较轻组分。将该塔顶蒸气冷却并冷凝，并将一部分冷凝流供应至蒸馏塔上的顶部进料点，以作为回流。冷凝流的第二部分膨胀到低压以形成液化的天然气流。

7. 发明授权

US09074814B2 Hydrocarbon gas processing 有权
标题翻译：烃类气体加工
公开(公告)号：US09074814B2
公开(公告)日：2015-07-07
申请号：US13051682
申请日：2011-03-18
申请人： Andrew F. Johnke , W. Larry Lewis , L. Don Tyler , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
发明人： Andrew F. Johnke , W. Larry Lewis , L. Don Tyler , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J3/00 , F25J3/02 , C10G5/04 , C10G5/06
CPC分类号： F25J3/0209 , C10G5/04 , C10G5/06 , C10G2300/1025 , F25J3/0233 , F25J3/0242 , F25J2200/02 , F25J2200/30 , F25J2200/74 , F25J2200/78 , F25J2205/02 , F25J2205/04 , F25J2235/60 , F25J2240/02 , F25J2270/12 , F25J2270/60 , F25J2290/40 , Y02P30/10
摘要： A process and an apparatus are disclosed for a compact processing assembly to recover propane, propylene, and heavier hydrocarbon components from a hydrocarbon gas stream. The gas stream is cooled, expanded to lower pressure, and fed to an absorbing means. A first distillation liquid stream from the absorbing means is fed to a mass transfer means. A first distillation vapor stream from the mass transfer means is cooled to partially condense it, forming a residual vapor stream and a condensed stream. The condensed stream is supplied as the top feed to the absorbing means. A second distillation vapor stream from the absorbing means is heated by cooling the first distillation vapor stream, combined with the residual vapor stream, and heated by cooling the gas stream. A second distillation liquid stream from the mass transfer means is heated in a heat and mass transfer means to strip out its volatile components.
摘要翻译：公开了用于从烃气流中回收丙烷，丙烯和较重烃组分的紧凑加工组件的方法和设备。将气流冷却，膨胀至较低压力，并送入吸收装置。来自吸收装置的第一蒸馏液流被供给到传质装置。将来自传质装置的第一蒸馏蒸气物流冷却以使其部分冷凝，形成残留的蒸气流和冷凝物流。冷凝流作为顶部进料供给到吸收装置。来自吸收装置的第二蒸馏蒸汽流通过冷却第一蒸馏蒸汽流而加热，与残余蒸气流组合，并通过冷却气流加热。来自质量传递装置的第二蒸馏液体流在热和质量传递装置中被加热以除去其挥发性组分。

8. 发明授权

US09052136B2 Hydrocarbon gas processing 有权
标题翻译：烃类气体加工
公开(公告)号：US09052136B2
公开(公告)日：2015-06-09
申请号：US13048315
申请日：2011-03-15
申请人： Andrew F. Johnke , W. Larry Lewis , L. Don Tyler , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
发明人： Andrew F. Johnke , W. Larry Lewis , L. Don Tyler , John D. Wilkinson , Joe T. Lynch , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J3/00 , F25J3/02 , C10G5/06
CPC分类号： F25J3/0209 , C10G5/06 , C10G2300/1025 , F25J3/0233 , F25J3/0238 , F25J3/0242 , F25J2200/02 , F25J2200/70 , F25J2200/74 , F25J2200/80 , F25J2205/02 , F25J2205/04 , F25J2210/06 , F25J2235/60 , F25J2240/02 , F25J2270/02 , F25J2270/12 , F25J2270/60 , F25J2290/40 , F25J2290/42
摘要： A process and an apparatus are disclosed for a compact processing assembly to recover C2 components (or C3 components) and heavier hydrocarbon components from a hydrocarbon gas stream. The gas stream is cooled and divided into first and second streams. The first stream is further cooled to condense substantially all of it, expanded to lower pressure, and supplied as top feed to an absorbing means. The second stream is also expanded to lower pressure and fed to the bottom of the absorbing means. A distillation vapor stream from the absorbing means is heated by cooling the gas stream and the first stream. A distillation liquid stream from the absorbing means is fed to a heat and mass transfer means to heat it and strip out its volatile components while cooling the gas stream. The absorbing means and the heat and mass transfer means are housed in the processing assembly.
摘要翻译：公开了一种用于紧凑加工组件以从烃气流中回收C2组分（或C3组分）和较重烃组分的方法和设备。将气流冷却并分成第一和第二流。将第一流进一步冷却以基本上将其全部冷凝，膨胀至较低压力，并作为顶部进料供应至吸收装置。第二流还被扩展到较低的压力并且被馈送到吸收装置的底部。通过冷却气流和第一流来加热来自吸收装置的蒸馏蒸汽流。来自吸收装置的蒸馏液体物流被供给到热和质量传递装置以加热它并且在冷却气流的同时剥离其挥发性组分。吸收装置和热传质装置容纳在处理组件中。

9. 发明申请

US20120000246A9 Liquefied Natural Gas And Hydrocarbon Gas Processing 有权
标题翻译：液化天然气和烃类气体加工
公开(公告)号：US20120000246A9
公开(公告)日：2012-01-05
申请号：US12466669
申请日：2009-05-15
申请人： Tony L. Martinez , John D. Wilkinson , Hank M. Hudson , Kyle T. Cuellar
发明人： Tony L. Martinez , John D. Wilkinson , Hank M. Hudson , Kyle T. Cuellar
IPC分类号： F25J3/00
CPC分类号： F25J3/0209 , F25J3/0214 , F25J3/0233 , F25J3/0238 , F25J2200/02 , F25J2200/38 , F25J2200/50 , F25J2200/78 , F25J2205/02 , F25J2205/04 , F25J2210/02 , F25J2210/62 , F25J2230/08 , F25J2230/60 , F25J2235/60 , F25J2240/02 , F25J2245/02 , F25J2270/904 , F25J2290/40
摘要： A process for the recovery of heavier hydrocarbons from a liquefied natural gas (LNG) stream and a hydrocarbon gas stream is disclosed. The LNG feed stream is heated to vaporize at least part of it, then expanded and supplied to a fractionation column at a first mid-column feed position. The gas stream is expanded and cooled, then supplied to the column at a second mid-column feed position. A distillation vapor stream is withdrawn from the fractionation column below the mid-column feed positions and directed in heat exchange relation with the LNG feed stream, cooling the distillation vapor stream as it supplies at least part of the heating of the LNG feed stream. The distillation vapor stream is cooled sufficiently to condense at least a part of it, forming a condensed stream. At least a portion of the condensed stream is directed to the fractionation column as its top feed. A portion of the column overhead stream is also directed in heat exchange relation with the LNG feed stream, so that it also supplies at least part of the heating of the LNG feed stream as it is condensed to form a “lean” LNG stream. The quantities and temperatures of the feeds to the column are effective to maintain the column overhead temperature at a temperature whereby the major portion of the desired components is recovered in the bottom liquid product from the column.
摘要翻译：公开了从液化天然气（LNG）流和烃气流中回收较重烃的方法。加热LNG进料流至少部分蒸发，然后膨胀并在第一中间柱进料位置供应至分馏塔。将气流膨胀并冷却，然后在第二中间柱进料位置供给塔。蒸馏蒸气流从中间塔进料位置以下的分馏塔中排出，并与LNG进料流热交换，并蒸发蒸馏物流，至少部分加热LNG进料流。将蒸馏蒸气流充分冷却以冷凝其至少一部分，形成冷凝流。冷凝流的至少一部分作为其顶部进料被引导至分馏塔。塔顶塔顶物流的一部分也与LNG进料流进行热交换，从而当LNG进料流被冷凝以形成“贫”LNG流时，其还提供LNG进料流的至少一部分加热。进料到塔的数量和温度有效地将塔顶温度维持在一个温度，从而使所需组分的主要部分在塔的底部液体产物中回收。

10. 发明申请

US20110296867A1 Hydrocarbon Gas Processing 有权
标题翻译：烃气处理
公开(公告)号：US20110296867A1
公开(公告)日：2011-12-08
申请号：US13117242
申请日：2011-05-27
申请人： Kyle T. Cuellar , John D. Wilkinson , Hank M. Hudson
发明人： Kyle T. Cuellar , John D. Wilkinson , Hank M. Hudson
IPC分类号： F25J3/00
CPC分类号： F25J3/0266 , F25J3/0209 , F25J3/0219 , F25J3/0223 , F25J3/0233 , F25J3/0252 , F25J2200/02 , F25J2200/70 , F25J2205/02 , F25J2205/04 , F25J2210/12 , F25J2220/82 , F25J2230/08 , F25J2230/60 , F25J2230/80 , F25J2235/80 , F25J2240/02 , F25J2245/02 , F25J2260/80 , F25J2270/02 , F25J2270/12 , Y02C10/04 , Y02C10/12
摘要： A process and an apparatus are disclosed for removing carbon dioxide from a hydrocarbon gas stream. The gas stream is cooled, expanded to intermediate pressure, and supplied to a fractionation tower at a top column feed position. The tower overhead vapor stream is compressed to higher pressure and cooled to partially condense it, forming a condensed stream. The condensed stream is expanded to intermediate pressure, used to subcool a portion of the tower bottom liquid product, then supplied to the tower at a mid-column feed position. The subcooled portion of the tower bottom liquid product is expanded to lower pressure and used to cool the compressed overhead vapor stream. The quantities and temperatures of the feeds to the fractionation tower are effective to maintain the overhead temperature of the fractionation tower at a temperature whereby the major portion of the carbon dioxide is recovered in the tower bottom liquid product.
摘要翻译：公开了从烃气流中除去二氧化碳的方法和装置。将气流冷却，膨胀至中间压力，并在顶部塔进料位置供应至分馏塔。将塔顶塔顶蒸气流压缩至较高压力并冷却以部分地冷凝，形成冷凝流。冷凝的液流膨胀到中间压力，用于过滤塔底液体产物的一部分，然后在中间塔进料位置供应到塔中。将塔底液体产物的过冷部分膨胀至较低压力并用于冷却压缩的塔顶蒸汽流。进入分馏塔的进料的量和温度对于将分馏塔的塔顶温度维持在塔底液体产物中回收大部分二氧化碳的温度是有效的。

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