-
公开(公告)号：US5210327A
公开(公告)日：1993-05-11
申请号：US883636
申请日：1992-05-15
CPC分类号： B01D3/009 , C07C41/06 , C07C41/42 , Y02P20/127
摘要： A combination of an etherification process and a process for the isomerization of linear alkenes to isoalkenes uses a separation zone that receives an effluent stream from the etherification reaction zone and separates it into a high boiling stream, a low boiling stream and an intermediate boiling stream in order to reduce the mass flow of reactants through the isomerization and etherification reaction zones. The separation zone normally has an arrangement of a distillation column. The distillation column can provide a distillation function only, or can also provide a reactive distillation zone. The intermediate boiling stream typically leaves the column as a sidecut which in the case of reactive distillation is taken from the point above a bed of catalyst within the column. Taking the sidecut stream substantially eliminates the circulation of isoalkane hydrocarbons through the etherification and isomerization zone and maintains normal alkanes at an acceptable equilibrium level.
摘要翻译： 醚化方法和将线性烯烃异构化成异烯烃的方法的组合使用分离区，其接收来自醚化反应区的流出物流，并将其分离成高沸点流，低沸点流和中间沸腾流 以减少反应物通过异构化和醚化反应区的质量流动。 分离区通常具有蒸馏塔的排列。 蒸馏塔只能提供蒸馏功能，也可以提供反应蒸馏区。 中间沸腾流通常作为旁路离开塔，在反应蒸馏的情况下取自塔内催化剂床上方的点。 采取旁路基本上消除了通过醚化和异构化区域的异烷烃的循环，并将正常烷烃保持在可接受的平衡水平。
-
公开(公告)号：US5283373A
公开(公告)日：1994-02-01
申请号：US997461
申请日：1992-12-28
CPC分类号： B01D3/009 , C07C41/06 , C07C41/42 , Y02P20/127
摘要： A combination of an etherification process and a process for the isomerization of linear alkenes to isoalkenes uses a separation zone that receives an effluent stream from the etherification reaction zone and separates it into a high boiling stream, a low boiling stream and an intermediate boiling stream in order to reduce the mass flow of reactants through the isomerization and etherification reaction zones. The separation zone includes at least one distillation column. The distillation column can provide a distillation function only, or can also provide a reactive distillation zone. The intermediate boiling stream leaves a two column separation zone as a bottoms stream from a second column or in a single column separation zone as a sidecut which in the case of reactive distillation is taken from the point above a bed of catalyst within the column. Taking the sidecut stream substantially eliminates the circulation of isoalkane hydrocarbons through the etherification and isomerization zone and maintains normal alkanes at an acceptable equilibrium level. The effluent from the isomerization zone may enter the first in a series of etherification zones or may enter a second etherification zone having higher capacity.
摘要翻译： 醚化方法和将线性烯烃异构化成异烯烃的方法的组合使用分离区，其接收来自醚化反应区的流出物流，并将其分离成高沸点流，低沸点流和中间沸腾流 以减少反应物通过异构化和醚化反应区的质量流动。 分离区包括至少一个蒸馏塔。 蒸馏塔只能提供蒸馏功能，也可以提供反应蒸馏区。 中间沸腾物流作为来自第二塔或单塔分离区的塔底物流离开两塔分离区，作为反应蒸馏的情况，其从塔内的催化剂床上方取出。 采取旁路基本上消除了通过醚化和异构化区域的异烷烃的循环，并将正常烷烃保持在可接受的平衡水平。 来自异构化区的流出物可以在一系列醚化区中进入第一个或者可以进入具有较高容量的第二醚化区。
-
公开(公告)号：US07268265B1
公开(公告)日：2007-09-11
申请号：US10882531
申请日：2004-06-30
摘要： The present invention relates to a process and apparatus for the production of light olefins comprising olefins having from 2 to 3 carbon atoms per molecule from a feedstock containing heavier olefins. An intermediate cut from a fractionation column is used as olefinic feed to an olefin cracking process preferably after undergoing selective hydrogenation of diolefins. In one embodiment, a liquid side draw from a fractionation column is selectively hydrogenated and then returned to the fractionation column from which a vapor side draw containing olefins is cracked in the olefin cracking reactor.
摘要翻译： 本发明涉及一种用于生产轻质烯烃的方法和设备，其包含每分子含有2至3个碳原子的烯烃，其含有较重的烯烃的原料。 来自分馏塔的中间馏分用作烯烃裂化方法的烯烃进料，优选在进行二烯烃的选择性氢化之后。 在一个实施方案中，从分馏塔抽出的液体侧被选择性氢化，然后返回到在烯烃裂解反应器中含有烯烃的蒸汽侧馏分从其分馏的分馏塔。
-
公开(公告)号：US08025858B2
公开(公告)日：2011-09-27
申请号：US11828433
申请日：2007-07-26
摘要： The present invention relates to a process and apparatus for the production of light olefins comprising olefins having from 2 to 3 carbon atoms per molecule from a feedstock containing heavier olefins. An intermediate cut from a fractionation column is used as olefinic feed to an olefin cracking process preferably after undergoing selective hydrogenation of diolefins. In one embodiment, a liquid side draw from a fractionation column is selectively hydrogenated and then returned to the fractionation column from which a vapor side draw containing olefins is cracked in the olefin cracking reactor.
摘要翻译： 本发明涉及一种用于生产轻质烯烃的方法和设备，其包含每分子含有2至3个碳原子的烯烃，其含有较重的烯烃的原料。 来自分馏塔的中间馏分用作烯烃裂化方法的烯烃进料，优选在进行二烯烃的选择性氢化之后。 在一个实施方案中，从分馏塔抽出的液体侧被选择性氢化，然后返回到在烯烃裂解反应器中含有烯烃的蒸汽侧馏分从其分馏的分馏塔。
-
5.发明授权Process for performing a swing bed regeneration operation with minimal downstream upsets 失效用于以最小的下游扰动进行摇床再生操作的过程
公开(公告)号：US5851944A
公开(公告)日：1998-12-22
申请号：US742021
申请日：1996-11-01
申请人： Charles P. Luebke , William A. Leet , Joseph E. Zimmermann , Ronald J. Vangelisti , Terry L. Marker
发明人： Charles P. Luebke , William A. Leet , Joseph E. Zimmermann , Ronald J. Vangelisti , Terry L. Marker
CPC分类号： B01J38/48 , B01J20/08 , B01J20/12 , B01J20/20 , B01J20/3416 , B01J20/3433 , B01J20/3475 , B01J49/00
摘要： A process for regenerating solid treating particles contained in at least two vessels of a swing bed regeneration operation where the effluent of the regeneration operation is maintained regeneration fluid-free and at a substantially constant flowrate has been developed. The swing bed regeneration operation involves at least two vessels, one of which is on-line treating process fluid, and the other is off-line for regeneration. At least a portion of the process fluid effluent from the vessel on-line is conducted to a displacement surge drum. The flowrate of the process fluid effluent from the displacement surge drum is controlled so that downstream units receive a substantially constant flowrate. A portion of the process fluid effluent from the displacement surge drum or a portion of the process fluid effluent from the vessel on-line is periodically used to displace regeneration fluid from the vessel off-line, and during the displacement, the flowrate of effluent from the displacement surge drum is increased to provide additional flow to the vessel off-line without having to reduce the flow to downstream units. In a specific embodiment, both process fluid and regeneration fluid are conducted to the displacement surge drum. The process fluid is used as described above. The regeneration fluid is used to displace process fluid from the vessel that is off-line prior to regeneration of the treating particles. In another specific embodiment, the treating particles are rinsed prior to regeneration to desorb and recycle any adsorbed reactant.
摘要翻译： 已经开发了再生固体处理颗粒的方法，该固体处理颗粒包含在挥发床再生操作的至少两个容器中，其中再生操作的流出物保持再生无流体并且具有基本上恒定的流量。 摇床再生操作涉及至少两个容器，其中一个是在线处理过程流体，另一个是离线再生。 将来自容器的在线工艺流体的至少一部分流出物导入位移缓冲鼓。 控制来自位移缓冲鼓的工艺流体流出物的流量，使得下游单元接收基本上恒定的流量。 定期使用来自位移缓冲鼓的一部分过程流体流出物或来自容器在线的一部分工艺流体流出物从脱离容器取代再生流体，并且在排出期间流出物的流出物从 位移缓冲鼓被增加以提供离线的附加流量，而不必减少流向下游单元的流量。 在具体的实施例中，将处理流体和再生流体两者传导到位移缓冲鼓。 如上所述使用过程流体。 再生流体用于在处理颗粒再生之前从离线的容器中取代过程流体。 在另一个具体实施方案中，处理颗粒在再生之前被冲洗以解吸并再循环任何吸附的反应物。
-
公开(公告)号：US5276212A
公开(公告)日：1994-01-04
申请号：US998174
申请日：1992-12-29
CPC分类号： C07C41/06 , C07C41/42 , Y02P20/127 , Y02P20/582
摘要： A combination of an etherification process and a process for the isomerization of linear alkenes to isoalkenes uses a first etherification zone that passes an etherification effluent and an etherification recycle stream through a skeletal isomerization separation zone to prepare an etherification feed for an additional etherification reactor. Etherification of additional isoalkane reactants in a separate etherification zone permits the production of additional ether products through isomerization without requiring additional etherification capacity upstream of the isomerization zone. Therefore additional etherification capacity can be added without significant changes to existing etherification capacity. The additional etherification zone may be in the form of a reactive distillation reactor that provides a high boiling ether product stream, a low boiling isoalkane vent stream and an intermediate boiling normal butene sidecut stream.
摘要翻译： 醚化方法和将线性烯烃异构化为异烯烃的方法的组合使用第一醚化区，其使醚化流出物和醚化循环流通过骨架异构化分离区，以制备另外的醚化反应器的醚化进料。 另外的异烷烃反应物在单独的醚化区中的醚化允许通过异构化产生另外的醚产物，而不需要在异构化区上游额外的醚化能力。 因此，可以添加额外的醚化能力，而不会对现有的醚化能力产生显着变化。 附加的醚化区可以是反应蒸馏反应器的形式，其提供高沸点醚产物流，低沸点异烷烃排放流和中间沸腾正丁烯顺流。
-
公开(公告)号：US20090291031A1
公开(公告)日：2009-11-26
申请号：US12512202
申请日：2009-07-30
IPC分类号： B01J8/18
CPC分类号： B01J8/18 , C10G35/14 , C10G47/00 , C10G51/04 , C10G2400/20
摘要： Processing scheme and arrangement for increasing the relative yield of light olefins involves integration of the cracking a heavy hydrocarbon feedstock to produce an effluent comprising a range of hydrocarbon products including C4-C7 olefins and the subsequent cracking at least a portion of the C4-C7 olefins to produce additional light olefins.
摘要翻译： 用于提高轻质烯烃的相对产率的加工方案和布置涉及将重质烃原料开裂整合以产生包含一系列烃产物（包括C 4 -C 7烯烃）的流出物，随后开裂至少一部分C 4 -C 7烯烃 以产生另外的轻质烯烃。
-
公开(公告)号：US5300696A
公开(公告)日：1994-04-05
申请号：US998177
申请日：1992-12-29
CPC分类号： C07C41/06
摘要： A combination of an etherification process and a process for the isomerization of linear alkenes to isoalkenes uses an adsorptive separation zone that receives an effluent fraction from the etherification reaction zone and separates the fraction at low efficiency to produce an isomerization feed stream comprising normal butenes and butanes, and a butane stream that is rejected from the process. The rejection of butanes at low efficiency reduces or eliminates the loss of butenes with the rejection of butane. A low efficiency adsorptive separation to reject butanes also benefits the isomerization process by inhibiting coking.
摘要翻译： 醚化方法和将线性烯烃异构化为异烯烃的方法的组合使用吸附分离区，其接收来自醚化反应区的流出物部分并以低效率分离馏分以产生包含正丁烯和丁烷的异构化进料流 ，以及从流程中拒绝的丁烷流。 以低效率排斥丁烷可以降低或消除丁烷的排斥与丁烷的排斥。 抑制焦炭的低效吸附分离也有利于异构化过程。
-
公开(公告)号：US08753577B2
公开(公告)日：2014-06-17
申请号：US12512202
申请日：2009-07-30
CPC分类号： B01J8/18 , C10G35/14 , C10G47/00 , C10G51/04 , C10G2400/20
摘要： Processing scheme and arrangement for increasing the relative yield of light olefins involves integration of the cracking a heavy hydrocarbon feedstock to produce an effluent comprising a range of hydrocarbon products including C4-C7 olefins and the subsequent cracking at least a portion of the C4-C7 olefins to produce additional light olefins.
摘要翻译： 用于提高轻质烯烃的相对产率的加工方案和布置涉及将重质烃原料开裂整合以产生包含一系列烃产物（包括C 4 -C 7烯烃）的流出物，随后开裂至少一部分C 4 -C 7烯烃 以产生另外的轻质烯烃。
-
10.发明授权Process for performing a swing bed regeneration operation with minimal downstream upsets 有权用于以最小的下游扰动进行摇床再生操作的过程
公开(公告)号：US6046124A
公开(公告)日：2000-04-04
申请号：US170810
申请日：1998-10-13
申请人： Charles P. Luebke , William A. Leet , Joseph E. Zimmermann , Ronald J. Vangelisti , Terry L. Marker
发明人： Charles P. Luebke , William A. Leet , Joseph E. Zimmermann , Ronald J. Vangelisti , Terry L. Marker
CPC分类号： B01J49/00 , B01J20/08 , B01J20/12 , B01J20/20 , B01J20/3416 , B01J20/3433 , B01J20/3475 , B01J38/48
摘要： A process for regenerating solid treating particles contained in at least two vessels of a swing bed regeneration operation where the effluent of the regeneration operation is maintained regeneration fluid-free and at a substantially constant flowrate has been developed. The swing bed regeneration operation involves an on-line vessel treating process fluid and an off-line vessel for regeneration. At least a portion of the process fluid effluent from the vessel on-line is conducted to a displacement surge drum. The flowrate of the process fluid effluent from the displacement surge drum is controlled so that downstream units receive a substantially constant flowrate. A portion of the process fluid effluent from the displacement surge drum is periodically used to displace regeneration fluid from the vessel off-line, and during the displacement, the flowrate of effluent from the displacement surge drum is increased to provide additional flow to the vessel off-line without having to reduce the flow to downstream units.
摘要翻译： 已经开发了再生固体处理颗粒的方法，该固体处理颗粒包含在挥发床再生操作的至少两个容器中，其中再生操作的流出物保持再生无流体并且具有基本上恒定的流量。 摆动床再生操作涉及在线容器处理过程流体和用于再生的离线容器。 将来自容器的在线工艺流体的至少一部分流出物导入位移缓冲鼓。 控制来自位移缓冲鼓的工艺流体流出物的流量，使得下游单元接收基本上恒定的流量。 周期性地使来自位移缓冲鼓的过程流体流出物的一部分离开来自容器的再生流体，并且在排出期间，来自位移缓冲鼓的流出物的流量被增加以提供额外的流向容器 而不必减少流向下游单位的流量。
-
-
-
-
-
-
-
-
-
搜索结果
27 条记录 (耗时 0.031 秒)
