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1. 发明申请

US20100087696A1 PROCESS AND APPARATUS FOR C2 RECOVERY 有权
标题翻译： C2恢复的过程和设备
公开(公告)号：US20100087696A1
公开(公告)日：2010-04-08
申请号：US12478066
申请日：2009-06-04
申请人： Ronald D. KEY , William G. Brown
发明人： Ronald D. KEY , William G. Brown
IPC分类号： C07C7/09
CPC分类号： C10G5/06 , C07C7/005 , C10G2400/20 , F25J3/0209 , F25J3/0219 , F25J3/0233 , F25J3/0238 , F25J2200/04 , F25J2200/70 , F25J2200/78 , F25J2205/04 , F25J2210/12 , F25J2230/20 , F25J2230/60 , F25J2235/60 , F25J2240/02 , F25J2270/90 , F25J2280/02 , Y02P30/40
摘要： An improved process for separating a hydrocarbon bearing feed gas containing methane and lighter, C2 (ethylene and/or ethane), and heavier components into a fraction containing predominantly methane and lighter components and a fraction containing predominantly C2 and heavier hydrocarbon components including the steps of cooling and partially condensing and delivering the feed stream to a separator to provide a first residue vapor and a first liquid containing C2, directing a first part of the first liquid containing C2 into a heavy-ends fractionation column wherein the liquid is separated into a second hydrocarbon bearing vapor residue and a second liquid product containing C2; further cooling the second part of the first liquid containing C2 and partially condensing the second hydrocarbon bearing vapor residue; combining the cooled second part of the first liquid and partially condensed second hydrocarbon-bearing vapor residue and directing them to a second separator effecting a third residue and a third liquid; cooling and directing a first part of the third liquid into the lights-ends fractionation column, to thereby condense C2's and heavier components while the methane is evaporated in the light-ends fractionation column to thereby obtain fourth residue vapor and liquid, heating and supplying the fourth liquid recovered from the light-ends fractionation column to the heavy-ends fractionation column as a feed thereto; conducting the second part of the third liquid to the heavy-ends fractionation column as a feed thereto.
摘要翻译：一种改进的方法，用于将含有甲烷和较轻的烃（CO 2和/或乙烷）和较重组分的烃类进料气体分离成主要包含甲烷和较轻组分的馏分和主要含有C2和较重烃组分的级分，包括以下步骤：冷却并部分冷凝并将进料流输送到分离器以提供第一残余物蒸气和含有C2的第一液体，将含有C2的第一液体的第一部分引导到重馏分分馏塔中，其中液体被分离成第二含烃蒸汽残余物和含有C2的第二液体产物; 进一步冷却包含C2的第一液体的第二部分并部分冷凝第二含烃蒸汽残余物; 将第一液体和部分冷凝的第二含烃蒸汽残余物的冷却的第二部分组合并将它们引导到第二分离器，以产生第三残余物和第三液体; 冷却并将第一部分的第三液体引导到灯端分馏塔中，从而在甲烷在轻馏分分馏塔中蒸发的同时冷凝C2和较重的组分，从而获得第四残余物蒸气和液体，加热并供应第四液体从轻馏分分馏塔回收到重馏分塔作为进料; 将第二液体的第二部分作为进料送入重馏分塔。

2. 发明授权

US4895584A Process for C.sub.2 recovery 失效
标题翻译： C2恢复过程
公开(公告)号：US4895584A
公开(公告)日：1990-01-23
申请号：US296432
申请日：1989-01-12
申请人： Loren L. Buck , Ronald D. Key
发明人： Loren L. Buck , Ronald D. Key
IPC分类号： C07C7/04 , F25J3/02
CPC分类号： F25J3/0238 , C07C7/04 , F25J3/0209 , F25J3/0219 , F25J3/0233 , F25J2200/02 , F25J2200/30 , F25J2200/78 , F25J2205/04 , F25J2210/12 , F25J2230/30 , F25J2230/60 , F25J2235/60 , F25J2240/02 , F25J2245/02 , F25J2270/90
摘要： An improved process for separating a hydrocarbon bearing feed gas containing methane and lighter, C.sub.2 (ethylene and ethane) and heavier components into a fraction containing predominantly methane and lighter components and a fraction containing predominantly C.sub.2 and heavier hydrocarbon components including the steps of cooling and partially condensing and delivering the feed stream to a separator to provide a first residue vapor and a C.sub.2 containing liquid, directing a portion of the C.sub.2 containing liquid into a heavy ends fractionation column wherein the liquid is separated into a second hydrocarbon bearing vapor residue and a C.sub.2 containing product, conducting a portion of the first residue vapors with at least part of the partially condensed second residue into a light ends fractionating column to thereby obtain third residue vapors and liquids, supplying the liquids recovered from the light ends fractionating column to the heavy ends fractionation column as the liquid feed thereto and directing part of the C.sub.2 containing liquid from the first step into intimate contact with the second residue, which liquid provides additional liquefied methane which acts with the partially condensed second residue as a direct contact refrigerant to thereby condense C.sub.2 and heavier components while the methane itself is evaporated in the light ends fractionation column.

3. 发明授权

US08093440B2 Process and apparatus for C2 recovery 有权
标题翻译： C2回收的工艺和设备
公开(公告)号：US08093440B2
公开(公告)日：2012-01-10
申请号：US12478066
申请日：2009-06-04
申请人： Ronald D. Key , William G. Brown
发明人： Ronald D. Key , William G. Brown
IPC分类号： C10G7/00
CPC分类号： C10G5/06 , C07C7/005 , C10G2400/20 , F25J3/0209 , F25J3/0219 , F25J3/0233 , F25J3/0238 , F25J2200/04 , F25J2200/70 , F25J2200/78 , F25J2205/04 , F25J2210/12 , F25J2230/20 , F25J2230/60 , F25J2235/60 , F25J2240/02 , F25J2270/90 , F25J2280/02 , Y02P30/40
摘要： An improved process for separating a hydrocarbon bearing feed gas containing methane and lighter, C2 (ethylene and/or ethane), and heavier components into a fraction containing predominantly methane and lighter components and a fraction containing predominantly C2 and heavier hydrocarbon components including the steps of cooling and partially condensing and delivering the feed stream to a separator to provide a first residue vapor and a first liquid containing C2, directing a first part of the first liquid containing C2 into a heavy-ends fractionation column wherein the liquid is separated into a second hydrocarbon bearing vapor residue and a second liquid product containing C2; further cooling the second part of the first liquid containing C2 and partially condensing the second hydrocarbon bearing vapor residue; combining the cooled second part of the first liquid and partially condensed second hydrocarbon-bearing vapor residue and directing them to a second separator effecting a third residue and a third liquid; cooling and directing a first part of the third liquid into the lights-ends fractionation column, to thereby condense C2's and heavier components while the methane is evaporated in the light-ends fractionation column to thereby obtain fourth residue vapor and liquid, heating and supplying the fourth liquid recovered from the light-ends fractionation column to the heavy-ends fractionation column as a feed thereto; conducting the second part of the third liquid to the heavy-ends fractionation column as a feed thereto.
摘要翻译：一种改进的方法，用于将含有甲烷和较轻的烃（CO 2和/或乙烷）和较重组分的烃类进料气体分离成主要包含甲烷和较轻组分的馏分和主要含有C2和较重烃组分的级分，包括以下步骤：冷却并部分冷凝并将进料流输送到分离器以提供第一残余物蒸气和含有C2的第一液体，将含有C2的第一液体的第一部分引导到重馏分分馏塔中，其中液体被分离成第二含烃蒸汽残余物和含有C2的第二液体产物; 进一步冷却包含C2的第一液体的第二部分并部分冷凝第二含烃蒸汽残余物; 将第一液体和部分冷凝的第二含烃蒸汽残余物的冷却的第二部分组合并将它们引导到第二分离器，以产生第三残余物和第三液体; 冷却并将第一部分的第三液体引导到灯端分馏塔中，从而在甲烷在轻馏分分馏塔中蒸发的同时冷凝C2和较重的组分，从而获得第四残余物蒸气和液体，加热并供应从轻馏分分馏塔回收到作为进料的重馏分分馏塔的第四液体; 将第二液体的第二部分作为进料送入重馏分塔。

4. 发明申请

US20110118524A9 PROCESS AND APPARATUS FOR C2 RECOVERY 有权
标题翻译： C2恢复的过程和设备
公开(公告)号：US20110118524A9
公开(公告)日：2011-05-19
申请号：US12478066
申请日：2009-06-04
申请人： Ronald D. KEY , William G. Brown
发明人： Ronald D. KEY , William G. Brown
IPC分类号： C07C7/09
CPC分类号： C10G5/06 , C07C7/005 , C10G2400/20 , F25J3/0209 , F25J3/0219 , F25J3/0233 , F25J3/0238 , F25J2200/04 , F25J2200/70 , F25J2200/78 , F25J2205/04 , F25J2210/12 , F25J2230/20 , F25J2230/60 , F25J2235/60 , F25J2240/02 , F25J2270/90 , F25J2280/02 , Y02P30/40
摘要： An improved process for separating a hydrocarbon bearing feed gas containing methane and lighter, C2 (ethylene and/or ethane), and heavier components into a fraction containing predominantly methane and lighter components and a fraction containing predominantly C2 and heavier hydrocarbon components including the steps of cooling and partially condensing and delivering the feed stream to a separator to provide a first residue vapor and a first liquid containing C2, directing a first part of the first liquid containing C2 into a heavy-ends fractionation column wherein the liquid is separated into a second hydrocarbon bearing vapor residue and a second liquid product containing C2; further cooling the second part of the first liquid containing C2 and partially condensing the second hydrocarbon bearing vapor residue; combining the cooled second part of the first liquid and partially condensed second hydrocarbon-bearing vapor residue and directing them to a second separator effecting a third residue and a third liquid; cooling and directing a first part of the third liquid into the lights-ends fractionation column, to thereby condense C2's and heavier components while the methane is evaporated in the light-ends fractionation column to thereby obtain fourth residue vapor and liquid, heating and supplying the fourth liquid recovered from the light-ends fractionation column to the heavy-ends fractionation column as a feed thereto; conducting the second part of the third liquid to the heavy-ends fractionation column as a feed thereto.
摘要翻译：一种改进的方法，用于将含有甲烷和较轻的烃（CO 2和/或乙烷）和较重组分的烃类进料气体分离成主要包含甲烷和较轻组分的馏分和主要含有C2和较重烃组分的级分，包括以下步骤：冷却并部分冷凝并将进料流输送到分离器以提供第一残余物蒸气和含有C2的第一液体，将含有C2的第一液体的第一部分引导到重馏分分馏塔中，其中液体被分离成第二含烃蒸汽残余物和含有C2的第二液体产物; 进一步冷却包含C2的第一液体的第二部分并部分冷凝第二含烃蒸汽残余物; 将第一液体和部分冷凝的第二含烃蒸汽残余物的冷却的第二部分组合并将它们引导到第二分离器，以产生第三残余物和第三液体; 冷却并将第一部分的第三液体引导到灯端分馏塔中，从而在甲烷在轻馏分分馏塔中蒸发的同时冷凝C2和较重的组分，从而获得第四残余物蒸气和液体，加热并供应第四液体从轻馏分分馏塔回收到重馏分塔作为进料; 将第二液体的第二部分作为进料送入重馏分塔。

5. 发明申请

US20140013796A1 METHODS FOR SEPARATING HYDROCARBON GASES 审中-公开
标题翻译：分离油气的方法
公开(公告)号：US20140013796A1
公开(公告)日：2014-01-16
申请号：US13547153
申请日：2012-07-12
申请人： Zaheer I. Malik , Ronald D. Key
发明人： Zaheer I. Malik , Ronald D. Key
IPC分类号： F25J3/02
摘要： A process for separating a hydrocarbon gas into a fraction containing a predominant portion of the methane or ethane and lighter components and a fraction containing a predominant portion of the C2 or C3 and heavier components in which the feed gas is treated in one or more heat exchange and expansion steps; partly condensed feed gas is directed into a separator wherein a first residue vapor is separated from a C2 or C3-containing liquid; and C2 or C3-containing liquids at substantially the pressure of separation are directed into a distillation column wherein the liquid is separated into a second residue to recover a C2 or C3-containing product. A portion of the vapor and/or a portion of the liquid from the first hydrocarbon vapor/liquid separation is further cooled and introduced into a fractionation column to increase the C2 or C3 and heavier hydrocarbons recovery from the natural gas stream.
摘要翻译：将烃气体分离成含有主要部分的甲烷或乙烷和较轻组分的馏分和含有主要部分的C2或C3和较重组分的馏分的方法，其中进料气体在一个或多个热交换器中进行处理和扩展步骤; 将部分冷凝的进料气体引入分离器，其中第一残余物蒸气与含C2或C3的液体分离; 并且基本上分离压力下的含C2或C3的液体被导入蒸馏塔，其中将液体分离成第二残余物以回收含C2或C3的产物。来自第一烃蒸汽/液体分离的部分蒸气和/或一部分液体进一步冷却并引入分馏塔以增加从天然气流中回收的C2或C3和较重的烃。

6. 发明授权

US06278035B1 Process for C2 recovery 有权
标题翻译： C2恢复过程
公开(公告)号：US06278035B1
公开(公告)日：2001-08-21
申请号：US09527175
申请日：2000-03-17
申请人： Ronald D. Key , William G. Brown
发明人： Ronald D. Key , William G. Brown
IPC分类号： C07C700
CPC分类号： C10G5/06 , C07C7/005 , C10G2400/20 , F25J3/0209 , F25J3/0219 , F25J3/0233 , F25J3/0238 , F25J2200/04 , F25J2200/70 , F25J2200/78 , F25J2205/04 , F25J2210/12 , F25J2230/20 , F25J2230/60 , F25J2235/60 , F25J2240/02 , F25J2270/90 , F25J2280/02 , Y02P30/40
摘要： An improved process for separating a hydrocarbon bearing feed gas containing methane and lighter, C2 (ethylene and/or ethane), and heavier components into a fraction containing predominantly methane and lighter components and a fraction containing predominantly C2 and heavier hydrocarbon components including the steps of cooling and partially condensing and delivering the feed stream to a separator to provide a first residue vapor and a first liquid containing C2, directing a first part of the first liquid containing C2 into a heavy-ends fractionation column wherein the liquid is separated into a second hydrocarbon bearing vapor residue and a second liquid product containing C2; further cooling the second part of the first liquid containing C2 and partially condensing the second hydrocarbon bearing vapor residue; combining the cooled second part of the first liquid and partially condensed second hydrocarbon-bearing vapor residue and directing them to a second separator effecting a third residue and a third liquid; cooling and directing a first part of the third liquid into the lights-ends fractionation column, to thereby condense C2's and heavier components while the methane is evaporated in the light-ends fractionation column to thereby obtain fourth residue vapor and liquid, heating and supplying the fourth liquid recovered from the light-ends fractionation column to the heavy-ends fractionation column as a feed thereto; conducting the second part of the third liquid to the heavy-ends fractionation column as a feed thereto.
摘要翻译：一种改进的方法，用于将含有甲烷和较轻的烃（CO 2和/或乙烷）和较重组分的烃类进料气体分离成主要包含甲烷和较轻组分的馏分和主要含有C2和较重烃组分的级分，包括以下步骤：冷却并部分冷凝并将进料流输送到分离器以提供第一残余物蒸气和含有C2的第一液体，将含有C2的第一液体的第一部分引导到重馏分分馏塔中，其中液体被分离成第二含烃蒸汽残余物和含有C2的第二液体产物; 进一步冷却包含C2的第一液体的第二部分并部分冷凝第二含烃蒸汽残余物; 将第一液体和部分冷凝的第二含烃蒸汽残余物的冷却的第二部分组合并将它们引导到第二分离器，以产生第三残余物和第三液体; 冷却并将第一部分的第三液体引导到灯端分馏塔中，从而在甲烷在轻馏分分馏塔中蒸发的同时冷凝C2和较重的组分，从而获得第四残余物蒸气和液体，加热并供应第四液体从轻馏分分馏塔回收到重馏分塔作为进料; 将第二液体的第二部分作为进料送入重馏分塔。

7. 发明授权

US07544272B2 Apparatus for C2 recovery 有权
公开(公告)号：US07544272B2
公开(公告)日：2009-06-09
申请号：US09931218
申请日：2001-08-16
申请人： Ronald D. Key , William G. Brown
发明人： Ronald D. Key , William G. Brown
IPC分类号： B01D3/00
CPC分类号： C10G5/06 , C07C7/005 , C10G2400/20 , F25J3/0209 , F25J3/0219 , F25J3/0233 , F25J3/0238 , F25J2200/04 , F25J2200/70 , F25J2200/78 , F25J2205/04 , F25J2210/12 , F25J2230/20 , F25J2230/60 , F25J2235/60 , F25J2240/02 , F25J2270/90 , F25J2280/02 , Y02P30/40
摘要： An improved process for separating a hydrocarbon bearing feed gas containing methane and lighter, C2 (ethylene and/or ethane), and heavier components into a fraction containing predominantly methane and lighter components and a fraction containing predominantly C2 and heavier hydrocarbon components including the steps of cooling and partially condensing and delivering the feed stream to a separator to provide a first residue vapor and a first liquid containing C2, directing a first part of the first liquid containing C2 into a heavy-ends fractionation column wherein the liquid is separated into a second hydrocarbon bearing vapor residue and a second liquid product containing C2; further cooling the second part of the first liquid containing C2 and partially condensing the second hydrocarbon bearing vapor residue; combining the cooled second part of the first liquid and partially condensed second hydrocarbon-bearing vapor residue and directing them to a second separator effecting a third residue and a third liquid; cooling and directing a first part of the third liquid into the lights-ends fractionation column, to thereby condense C2's and heavier components while the methane is evaporated in the light-ends fractionation column to thereby obtain fourth residue vapor and liquid, heating and supplying the fourth liquid recovered from the light-ends fractionation column to the heavy-ends fractionation column as a feed thereto; conducting the second part of the third liquid to the heavy-ends fractionation column as a feed thereto.

8. 发明授权

US06311516B1 Process and apparatus for C3 recovery 失效
标题翻译： C3回收的工艺和设备
公开(公告)号：US06311516B1
公开(公告)日：2001-11-06
申请号：US09492189
申请日：2000-01-27
申请人： Ronald D. Key , Steven C. Brantingham
发明人： Ronald D. Key , Steven C. Brantingham
IPC分类号： F25J300
CPC分类号： F25J3/0219 , F25J3/0209 , F25J3/0233 , F25J3/0242 , F25J2200/04 , F25J2200/70 , F25J2200/74 , F25J2200/78 , F25J2205/04 , F25J2210/12 , F25J2230/30 , F25J2235/60 , F25J2245/02 , F25J2270/02 , F25J2270/90
摘要： An improved process for separating a hydrocarbon bearing feed gas containing methane and lighter, C2 (ethylene and/or ethane), C3 (propylene and/or propane) and heavier components into a fraction containing predominantly C2 and lighter components and a fraction containing predominantly C3 and heavier hydrocarbon components including the steps of cooling and partially condensing and delivering the feed stream to a separator to provide a first residue vapor and a C3 containing liquid, directing a portion of the C3 containing liquid into a heavy-ends fractionation column wherein the liquid is separated into a second hydrocarbon bearing vapor residue, a second C2 containing liquid stream, and a C3 containing product. Directing part of the second liquid into the lights-ends fractionation column, which liquid provides additional liquefied C2's which act as a direct contact refrigerant to thereby condense C3's and heavier components while the C2's are evaporated in the light-ends fractionation column to thereby obtain third residue vapors and liquids, supplying the liquids recovered from the light-ends fractionating column to the heavy-ends fractionation column as a feed thereto.
摘要翻译：一种改进的方法，用于将含有甲烷和较轻的碳氢化合物进料气体，C2（乙烯和/或乙烷），C3（丙烯和/或丙烷）和较重组分分离成主要为C2和较轻组分的馏分和主要为C3的馏分和较重的烃组分，包括冷却和部分冷凝并将进料流输送到分离器以提供第一残余物蒸气和含C3的液体的步骤，将一部分含C3液体引入重馏分分馏塔，其中液体被分离成第二含烃蒸汽残余物，第二含C2液体物流和含C3产物。将第二液体的一部分引导到灯端分馏塔中，该液体提供额外的液化C2，其作为直接接触制冷剂，从而冷凝C3和较重组分，同时C2在轻馏分分馏塔中蒸发，从而获得第三液体残留蒸气和液体，将从轻馏分分馏塔回收的液体作为进料供应到重馏分分馏塔。

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