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1.发明授权
公开(公告)号：US4906256A
公开(公告)日：1990-03-06
申请号：US327860
申请日：1989-03-23
IPC分类号： B01D53/22
CPC分类号： B01D53/22
摘要： A membrane process for separating fluorinated hydrocarbon vapors is disclosed. The process employs a permselective membrane that is selectively permeable to fluorinated hydrocarbons over oxygen or nitrogen. The process involves contacting the feed side of the membrane with a gas mixture containing the fluorinated hydrocarbon vapor, and withdrawing from the permeate side a vapor enriched in the fluorinated hydrocarbon component. The driving force for membrane permeation is preferably provided by maintaining a partial vacuum on the permeate of the membrane. Eighty to 99% of the fluorinated hydrocarbon contained in the feedstream can be removed by the process. The permeate may be sufficiently enriched in fluorinated hydrocarbon to permit recovery and reuse. Very high membrane selectivities are not required.
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公开(公告)号：US07655825B2
公开(公告)日：2010-02-02
申请号：US11795930
申请日：2005-12-01
IPC分类号： C10G35/95
CPC分类号： C10G50/00 , C07C1/20 , C07C2529/85 , C10G2400/20 , Y02P30/20 , C07C11/02
摘要： A method is disclosed for producing a synthetic fuel, especially diesel fuel and in addition gasoline, liquefied petroleum gas and heating gas from a gas mixture comprising an oxygenate wherein the oxygenate is methanol and/or dimethyl ether and/or another oxygenate, through a series of steps, including olefin-formation, oligomerization of the olefins, and several separation steps and recycling steps, in particular the recycling of a stream of saturated hydrocarbons following the oligomerization of olefins back to the olefin-forming stage, to obtain the diesel fuel and the other synthetic fuels in high yield.
摘要翻译： 公开了一种用于生产合成燃料，特别是柴油燃料的方法，并且包括汽油，液化石油气和加热气体，其中包括含氧化合物的气体混合物，其中含氧化合物是甲醇和/或二甲醚和/或其它含氧化合物， 的步骤，包括烯烃的形成，烯烃的低聚，以及几个分离步骤和再循环步骤，特别是将烯烃低聚反应回到烯烃形成阶段之后的饱和烃流的循环，以获得柴油燃料和 其他合成燃料产量高。
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公开(公告)号：US20120101312A1
公开(公告)日：2012-04-26
申请号：US13379332
申请日：2010-06-12
申请人： Bernd Ahlers , Waldemar Liebner
发明人： Bernd Ahlers , Waldemar Liebner
CPC分类号： C07C29/80 , C07C41/09 , C07C31/04 , C07C43/04 , C07C43/043
摘要： In the production of purified methanol and/or dimethyl ether from crude methanol, the crude methanol is processed in at least one prepurification stage, a first partial stream of the prepurified methanol is supplied to a final methanol purification and a second partial stream of the prepurified methanol is supplied to a reactor and at least partly converted to dimethyl ether. The dimethyl ether recovered is purified in at least one purification stage, wherein non-reacted methanol is withdrawn from the dimethyl ether purification stage and at least partly supplied to the final methanol purification. In this way, both purified methanol and dimethyl ether can be produced in parallel, wherein the quantities of both products obtained are flexibly adjustable.
摘要翻译： 在从粗甲醇中生产纯化的甲醇和/或二甲醚的过程中，将粗甲醇在至少一个预纯化阶段进行处理，将第一部分流的预纯化甲醇供应至最终的甲醇纯化和第二部分流 将甲醇供应至反应器并至少部分转化为二甲醚。 回收的二甲醚在至少一个纯化阶段被纯化，其中从二甲醚纯化阶段取出未反应的甲醇，并至少部分地供应到最终的甲醇纯化。 以这种方式，可以并行生产纯化的甲醇和二甲醚，其中获得的两种产物的量都是可调节的。
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4.发明申请公开(公告)号：US20050234282A1
公开(公告)日：2005-10-20
申请号：US10522498
申请日：2003-06-05
申请人： Hermann Bach , Harald Kompel , Bernd Ahlers , Peter Trabold , Frank Hoper
发明人： Hermann Bach , Harald Kompel , Bernd Ahlers , Peter Trabold , Frank Hoper
CPC分类号： C07C4/06 , C07C2529/40 , Y02P20/52 , Y02P30/48 , C07C11/06
摘要： In a method for the production of propylene, a charge stream containing C4 to C6 olefins is evaporated, superheated, mixed with hot water vapor, the olefins vapor mixture converted on a zeolite catalyst, the reaction mixture formed thereby cooled, and then partially condensed. In order to increase the yield of propylene, the gaseous phase containing ethylene, propylene, C4 to C8 olefins, and additional hydrocarbons that is accumulated during the partial condensation is compressed, the gaseous and liquid phase containing propylene, ethylene, and other light hydrocarbons that exit from the compression step is separated into a gaseous phase containing propylene, ethylene, and other light hydrocarbons and a liquid phase containing C4+ olefins, and the liquid phase is separated into a fraction containing C4 to C6 olefins and a fraction containing C7+ olefins.
摘要翻译： 在制备丙烯的方法中，将含有C 4 -C 6烯烃的电荷流蒸发，过热，与热水蒸气混合，将烯烃蒸气混合物转化为 沸石催化剂，由此形成的反应混合物冷却，然后部分冷凝。 为了提高丙烯的产率，含有乙烯，丙烯，C 4 -C 8烯烃的气相和在部分冷凝期间积聚的其它烃被压缩 含有丙烯，乙烯和从压缩步骤出来的其它轻烃的气相和液相被分离成含有丙烯，乙烯和其它轻质烃的气相和含有C 4 +烯烃，并将液相分离成含有C 4 O 6至C 6 O 6烯烃的馏分和含有C 7+烯烃的级分。
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公开(公告)号：US09504978B2
公开(公告)日：2016-11-29
申请号：US14346370
申请日：2012-09-18
CPC分类号： B01J8/02 , B01J8/0453 , B01J8/0492 , B01J8/0496 , B01J8/067 , B01J2208/00274 , B01J2208/00362 , B01J2208/00371 , B01J2208/024 , C07C41/09 , C07C2601/16 , C07C43/04
摘要： A cooled reactor for the production of dimethyl ether by catalytic dehydration of methanol in the gas phase, the reactor having an adiabatic catalyst bed as starting zone, a moderator zone cooled by direct or indirect heat exchange, and optionally an adiabatic catalyst bed as conditioning zone. The conversion of methanol to dimethyl ether is increased and the formation of undesired by-products is decreased.
摘要翻译： 用于通过在气相中甲醇的催化脱水生产二甲醚的冷却反应器，反应器具有作为起始区的绝热催化剂床，通过直接或间接热交换冷却的缓和区，以及任选的绝热催化剂床作为调节区 。 甲醇向二甲醚的转化率增加，不希望的副产物的形成减少。
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公开(公告)号：US09255052B2
公开(公告)日：2016-02-09
申请号：US13379332
申请日：2010-06-12
申请人： Bernd Ahlers , Waldemar Liebner
发明人： Bernd Ahlers , Waldemar Liebner
CPC分类号： C07C29/80 , C07C41/09 , C07C31/04 , C07C43/04 , C07C43/043
摘要： In the production of purified methanol and/or dimethyl ether from crude methanol, the crude methanol is processed in at least one prepurification stage, a first partial stream of the prepurified methanol is supplied to a final methanol purification and a second partial stream of the prepurified methanol is supplied to a reactor and at least partly converted to dimethyl ether. The dimethyl ether recovered is purified in at least one purification stage, wherein non-reacted methanol is withdrawn from the dimethyl ether purification stage and at least partly supplied to the final methanol purification. In this way, both purified methanol and dimethyl ether can be produced in parallel, wherein the quantities of both products obtained are flexibly adjustable.
摘要翻译： 在从粗甲醇中生产纯化的甲醇和/或二甲醚的过程中，将粗甲醇在至少一个预纯化阶段进行处理，将第一部分流的预纯化甲醇供应至最终的甲醇纯化和第二部分流 将甲醇供应至反应器并至少部分转化为二甲醚。 回收的二甲醚在至少一个纯化阶段被纯化，其中从二甲醚纯化阶段取出未反应的甲醇，并至少部分地供应到最终的甲醇纯化。 以这种方式，可以并行生产纯化的甲醇和二甲醚，其中获得的两种产物的量都是可调节的。
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公开(公告)号：US20110295043A1
公开(公告)日：2011-12-01
申请号：US13130611
申请日：2009-11-19
申请人： Bernd Ahlers , Gerhard Birke , Harald Koempel , Hermann Bach , Martin Rothaemel , Waldemar Liebner , Walter Boll , Veronika Gronemann
发明人： Bernd Ahlers , Gerhard Birke , Harald Koempel , Hermann Bach , Martin Rothaemel , Waldemar Liebner , Walter Boll , Veronika Gronemann
CPC分类号： C07C41/09 , B01D3/143 , C07C43/043
摘要： A process produces dimethyl ether (DME) from methanol (MeOH). The process includes charging a feed mixture consisting of raw MeOH and a process-internally obtained return flow substantially consisting of unconverted MeOH and reaction water to an MeOH column. The feed mixture is evaporated in the MeOH column to form a first distillate substantially consisting of vaporous MeOH. The first distillate is supplied to a reactor and the MeOH is converted to DME by splitting off water in the reactor so as to form a reaction mixture. The reaction mixture is withdrawn from the reactor, charged to a mixture column and separated into a bottom product substantially consisting of water and a second distillate substantially consisting of DME and MeOH. The second distillate is separated in a DME column into a third distillate substantially consisting of DME, a bottom product consisting essentially of water-poor MeOH, and uncondensable gases discharged overhead. The bottom product is either supplied to a top of the MeOH column or mixed with another bottom product withdrawn from a forerun column.
摘要翻译： 一种方法由甲醇（MeOH）产生二甲醚（DME）。 该方法包括将由粗MeOH组成的进料混合物和基本上由未转化的MeOH和反应水组成的工艺内部获得的回流装入MeOH柱。 将进料混合物在MeOH柱中蒸发以形成基本上由蒸气MeOH组成的第一馏出物。 将第一馏出物供应到反应器中，并通过在反应器中分离水将MeOH转化为DME，从而形成反应混合物。 将反应混合物从反应器中取出，加入到混合物柱中并分离成基本由水组成的底部产物和基本上由DME和MeOH组成的第二馏出物。 将第二馏出物在DME柱中分离成基本上由DME组成的第三馏出物，DME基本上由无水MeOH组成的底部产物和顶部排出的不可冷凝气体。 将底部产物供应到MeOH柱的顶部或与从先行柱撤出的另一底部产物混合。
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公开(公告)号：US20090050531A1
公开(公告)日：2009-02-26
申请号：US11795930
申请日：2005-12-01
IPC分类号： C10G35/095
CPC分类号： C10G50/00 , C07C1/20 , C07C2529/85 , C10G2400/20 , Y02P30/20 , C07C11/02
摘要： Disclosed is a method for the production of synthetic fuels, wherein, in a first step, a gas mixture consisting of methanol and/or dimethyl ether and/or another oxygenate and water vapor is reacted at temperatures of 300-600° C. in order to form olefins with, preferably, 268 carbon atoms. In a second step, the olefin mixture thus obtained is oligomerized at an elevated pressure to form higher olefins with predominantly more than 5, preferably 10-20 carbon atoms. According to said method, a) the production of olefins in the first step is carried out in the presence of a gas flow which essentially consists of saturated hydrocarbons which are separated from the product flow of the second step and returned to the first step, and (b) the production of olefins is carried out in the second step in the presence of a flow of water vapor which is separated from the product flow of the first step and returned to the first step.
摘要翻译： 公开了一种生产合成燃料的方法，其中在第一步骤中，将由甲醇和/或二甲醚和/或另外的含氧化合物和水蒸气组成的气体混合物在300-600℃的温度下反应 以形成具有优选268个碳原子的烯烃。 在第二步中，由此获得的烯烃混合物在升高的压力下低聚形成主要大于5，优选10-20个碳原子的较高级烯烃。 根据所述方法，a）第一步中的烯烃的生产在气流的存在下进行，所述气流主要由与第二步的产物流分离并返回到第一步的饱和烃组成， （b）在与第一步骤的产物流分离并且返回到第一步骤的水蒸气流的存在下，在第二步中进行烯烃的生产。
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公开(公告)号：US08884074B2
公开(公告)日：2014-11-11
申请号：US13130611
申请日：2009-11-19
申请人： Bernd Ahlers , Gerhard Birke , Harald Koempel , Hermann Bach , Martin Rothaemel , Waldemar Liebner , Walter Boll , Veronika Gronemann
发明人： Bernd Ahlers , Gerhard Birke , Harald Koempel , Hermann Bach , Martin Rothaemel , Waldemar Liebner , Walter Boll , Veronika Gronemann
CPC分类号： C07C41/09 , B01D3/143 , C07C43/043
摘要： A process produces dimethyl ether (DME) from methanol (MeOH). The process includes charging a feed mixture consisting of raw MeOH and a process-internally obtained return flow substantially consisting of unconverted MeOH and reaction water to an MeOH column. The feed mixture is evaporated in the MeOH column to form a first distillate substantially consisting of vaporous MeOH. The first distillate is supplied to a reactor and the MeOH is converted to DME by splitting off water in the reactor so as to form a reaction mixture. The reaction mixture is withdrawn from the reactor, charged to a mixture column and separated into a bottom product substantially consisting of water and a second distillate substantially consisting of DME and MeOH. The second distillate is separated in a DME column into a third distillate substantially consisting of DME, a bottom product consisting essentially of water-poor MeOH, and uncondensable gases discharged overhead. The bottom product is either supplied to a top of the MeOH column or mixed with another bottom product withdrawn from a forerun column.
摘要翻译： 一种方法由甲醇（MeOH）产生二甲醚（DME）。 该方法包括将由粗MeOH组成的进料混合物和基本上由未转化的MeOH和反应水组成的工艺内部获得的回流装入MeOH柱。 将进料混合物在MeOH柱中蒸发以形成基本上由蒸气MeOH组成的第一馏出物。 将第一馏出物供应到反应器中，并通过在反应器中分离水将MeOH转化为DME，从而形成反应混合物。 将反应混合物从反应器中取出，加入到混合物柱中并分离成基本由水组成的底部产物和基本上由DME和MeOH组成的第二馏出物。 将第二馏出物在DME柱中分离成基本上由DME组成的第三馏出物，DME基本上由无水MeOH组成的底部产物和顶部排出的不可冷凝气体。 将底部产物供应到MeOH柱的顶部或与从先行柱撤出的另一底部产物混合。
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公开(公告)号：US20140228609A1
公开(公告)日：2014-08-14
申请号：US14347066
申请日：2012-08-16
申请人： Gerhard Birke , Bernd Ahlers , Harald Kömpel , Waldemar Liebner
发明人： Gerhard Birke , Bernd Ahlers , Harald Kömpel , Waldemar Liebner
IPC分类号： C07C1/22
CPC分类号： C07C1/22 , B01J8/0453 , B01J8/0492 , C07C1/20 , Y02P30/42 , C07C11/06
摘要： For the production of olefins from dimethyl ether gaseous dimethyl ether in a purity of 70-100 wt-% together with recycle gas, which contains olefinic, paraffinic and/or aromatic hydrocarbons, as well as steam is charged to a first catalyst stage of a re actor.To render the temperature profile over the catalyst stages as flat as possible, but close to the optimum operating temperature, gaseous dimethyl ether in a purity of 70-100 wt-% together with recycle gas, which contains olefinic, paraffinic and aromatic hydrocarbons, is charged to at least one downstream catalyst stage, wherein this downstream catalyst stage additionally is fed with product gas from the upstream catalyst stage.
摘要翻译： 为了从二甲醚生产烯烃，将纯度为70-100重量％的气态二甲醚与含有烯烃，链烷烃和/或芳族烃的循环气体以及蒸汽一起装入第一催化剂阶段 演员 为了使催化剂级上的温度曲线尽可能平坦但接近最佳工作温度，纯度为70-100重量％的气态二甲醚与含烯烃，链烷烃和芳族烃的再循环气体一起是 装入至少一个下游催化剂阶段，其中该下游催化剂级另外从上游催化剂级供给产物气体。
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