公开(公告)号：US20140076710A1

公开(公告)日：2014-03-20

申请号：US14089409

申请日：2013-11-25

申请人： LG CHEM, LTD.

发明人： Sung Kyu LEE ,  Joon Ho SHIN ,  Jong Ku LEE ,  Sung Kyun KIM

IPC分类号： B01D3/14 ,  B01D3/42 ,  C01B33/107

CPC分类号： B01D3/4211 ,  B01D3/141 ,  B01D3/143 ,  B01D3/4227 ,  B01D3/4261 ,  C01B33/10778 ,  Y10S203/20

摘要： A trihalosilane refining device and a trihalosilane refining method are provided. The trihalosilane refining device can be useful in obtaining high-purity trihalosilane from a feed containing a trihalosilane while consuming a small amount of energy.

公开(公告)号：US08172987B2

公开(公告)日：2012-05-08

申请号：US13184540

申请日：2011-07-17

申请人： Fu-Ming Lee ,  Tzong-Bin Lin ,  Jyh-Haur Hwang ,  Hung-Chung Shen ,  Kuang-Yeu Wu ,  Lindsey Vuong ,  Fong-Cheng Su ,  Po-Sung Cheng ,  Tai-Ping Chang

发明人： Fu-Ming Lee ,  Tzong-Bin Lin ,  Jyh-Haur Hwang ,  Hung-Chung Shen ,  Kuang-Yeu Wu ,  Lindsey Vuong ,  Fong-Cheng Su ,  Po-Sung Cheng ,  Tai-Ping Chang

IPC分类号： B01D3/40 ,  B01D3/42 ,  C07C29/84 ,  C07C29/94 ,  C12G3/12

CPC分类号： C07C29/84 ,  B01D3/002 ,  B01D3/143 ,  B01D3/40 ,  Y02P20/125 ,  Y02P20/57 ,  Y10S203/14 ,  Y10S203/20 ,  C07C31/08

摘要： An energy-efficient extractive distillation process for producing anhydrous ethanol from aqueous/ethanol feeds containing any range of ethanol employs an extractive distillation column (EDC) that operates under no or greatly reduced liquid reflux conditions. The EDC can be incorporated into an integrated process for producing anhydrous ethanol used for gasoline blending from fermentation broth. By using a high-boiling extractive distillation solvent, no solvent, is entrained by the vapor phase to the EDC overhead stream, even under no liquid reflux conditions. The energy requirement and severity of the EDC can be further improved by limiting ethanol recovery in the EDC. In this partial ethanol recovery design, ethanol which remains in the aqueous stream from the EDC is recovered in a post-distillation column or the aqueous stream is recycled to a front-end pre-distillation column where the ethanol is readily recovered since the VLE curve for ethanol/water is extremely favorable for distillation.

摘要翻译： 从含有任何范围的乙醇的含水/乙醇进料中生产无水乙醇的节能萃取蒸馏方法采用在没有或大大降低的液体回流条件下运行的萃取蒸馏塔（EDC）。 EDC可以并入用于从发酵液中生产用于汽油混合的无水乙醇的整合方法。 通过使用高沸点萃取蒸馏溶剂，即使在没有液体回流条件下，也没有溶剂被气相夹带到EDC塔顶馏出物中。 通过限制EDC中的乙醇回收，可以进一步提高EDC的能量需求和严重程度。 在该部分乙醇回收设计中，保留在来自EDC的水流中的乙醇在后蒸馏塔中回收，或将水流循环至前端预蒸馏塔，其中乙醇容易回收，因为VLE曲线 对于乙醇/水非常有利于蒸馏。

公开(公告)号：US20110266134A1

公开(公告)日：2011-11-03

申请号：US13184540

申请日：2011-07-17

申请人： Fu-Ming Lee ,  Tzong-Bin Lin ,  Jyh-Haur Hwang ,  Hung-Chung Shen ,  Kuang-Yeu Wu ,  Lindsey Vuong ,  Fong-Cheng Su ,  Po-Sung Cheng ,  Tai-Ping Chang

发明人： Fu-Ming Lee ,  Tzong-Bin Lin ,  Jyh-Haur Hwang ,  Hung-Chung Shen ,  Kuang-Yeu Wu ,  Lindsey Vuong ,  Fong-Cheng Su ,  Po-Sung Cheng ,  Tai-Ping Chang

IPC分类号： C07C29/84

CPC分类号： C07C29/84 ,  B01D3/002 ,  B01D3/143 ,  B01D3/40 ,  Y02P20/125 ,  Y02P20/57 ,  Y10S203/14 ,  Y10S203/20 ,  C07C31/08

摘要： An energy-efficient extractive distillation process for producing anhydrous ethanol from aqueous/ethanol feeds containing any range of ethanol employs an extractive distillation column (EDC) that operates under no or greatly reduced liquid reflux conditions. The EDC can be incorporated into an integrated process for producing anhydrous ethanol used for gasoline blending from fermentation broth. By using a high-boiling extractive distillation solvent, no solvent, is entrained by the vapor phase to the EDC overhead stream, even under no liquid reflux conditions. The energy requirement and severity of the EDC can be further improved by limiting ethanol recovery in the EDC. In this partial ethanol recovery design, ethanol which remains in the aqueous stream from the EDC is recovered in a post-distillation column or the aqueous stream is recycled to a front-end pre-distillation column where the ethanol is readily recovered since the VLE curve for ethanol/water is extremely favorable for distillation.

摘要翻译： 从含有任何范围的乙醇的含水/乙醇进料中生产无水乙醇的节能萃取蒸馏方法采用在没有或大大降低的液体回流条件下运行的萃取蒸馏塔（EDC）。 EDC可以并入用于从发酵液中生产用于汽油混合的无水乙醇的整合方法。 通过使用高沸点萃取蒸馏溶剂，即使在没有液体回流条件下，也没有溶剂被气相夹带到EDC塔顶馏出物中。 通过限制EDC中的乙醇回收，可以进一步提高EDC的能量需求和严重程度。 在该部分乙醇回收设计中，保留在来自EDC的水流中的乙醇在后蒸馏塔中回收，或将水流循环至前端预蒸馏塔，其中乙醇容易回收，因为VLE曲线 对于乙醇/水非常有利于蒸馏。

公开(公告)号：US20110139604A1

公开(公告)日：2011-06-16

申请号：US09782305

申请日：2001-02-14

申请人： Wolfram Burst ,  Horst Hartmann ,  Gerd Kaibel ,  Guido Harms

发明人： Wolfram Burst ,  Horst Hartmann ,  Gerd Kaibel ,  Guido Harms

IPC分类号： B01D3/16

CPC分类号： B01D3/141 ,  B01D3/14 ,  Y10S159/906 ,  Y10S203/20

摘要： A dividing wall column comprises the following segments:a) an upper column region (1),b) an enrichment section (2) of the feed section,c) a stripping section (4) of the feed section,d) an upper part (3) of the offtake section,e) a lower part (5) of the offtake section,f) an intermediate region (9) of the feed section,g) an intermediate region (10) of the offtake section andh) a lower column region (6).For the purposes of the present invention, it is essential that the dividing wall (7) is located vertically between the segments b) (2) and d) (3) and between the segments c) (4) and e) (5), the segments b) (2), d) (3), c) (4) and e) (5) have separation-active internals and the cross-sectional area Ab of the segment b) (2) is at least 10% smaller than the cross-sectional area Ad of segment d) (3), and the cross-sectional area Ac of the segment c) (4) is at least 10% greater than the cross-sectional area Ae of segment e) (5).

摘要翻译： 分隔壁柱包括以下部分：a）上部柱区域（1），b）进料部分的富集部分（2），c）进料部分的汽提部分（4），d）上部部分 （3），e）出料部分的下部（5），f）进料部分的中间区域（9），g）出料部分的中间区域（10）和h）a 下列区域（6）。 为了本发明的目的，重要的是分隔壁（7）垂直位于段b）（2）和d）（3）之间以及段c）（4）和e）（5）之间。 ，分段b）（2），d）（3），c）（4）和e）（5）具有分离活性的内部，并且段b）（2）的横截面积Ab至少为10 （3）段的横截面面积Ad的百分比小于段c）（4）的横截面积Ac比段e）的横截面积Ae至少大10％（ 5）。

公开(公告)号：US07670464B2

公开(公告)日：2010-03-02

申请号：US10560135

申请日：2004-06-08

申请人： Katrin Klass ,  Heike Becker ,  Regina Vogelsang ,  Alexander Hauk ,  Markus Siegert ,  Jochem Henkelmann

发明人： Katrin Klass ,  Heike Becker ,  Regina Vogelsang ,  Alexander Hauk ,  Markus Siegert ,  Jochem Henkelmann

IPC分类号： B01D3/36 ,  C07C29/82 ,  C07C41/42 ,  C07C43/16 ,  C07C41/08

CPC分类号： C07C29/82 ,  C07C41/08 ,  C07C41/42 ,  Y10S203/20 ,  C07C43/16 ,  C07C31/08 ,  C07C31/10 ,  C07C31/12

摘要： Process for distillatively separating a mixture containing a vinyl ether of the general formula (I) R1—O—CH═CH2  (I) and alcohol of the general formula (II) R2—OH  (II) in which R1 and R2 are each independently a saturated or unsaturated, aliphatic or cycloaliphatic radical having from 2 to 10 carbon atoms, and in which the alcohol (II) has a boiling point which is at least 1° C. higher, measured at or extrapolated to 0.1 MPa abs, than the vinyl ether (I), by a) passing the mixture into a first distillation column and withdrawing, as a top product, an azeotrope containing vinyl ether (I) and alcohol (II) and, as a bottom product, a stream enriched with the alcohol (II); b) passing the azeotrope containing vinyl ether (I) and alcohol (II) from the first distillation column into a second distillation column which is operated at a pressure which is from 0.01 to 3 MPa higher compared to the first distillation column, and withdrawing, as a bottom product or gaseous sidestream in the stripping section, the vinyl ether (I) and, as a top product, an azeotrope containing vinyl ether (I) and alcohol (II); and c) recycling the azeotrope containing vinyl ether (I) and alcohol (II) from the second distillation column into the first distillation column.

摘要翻译： 蒸馏分离含有通式（I）的R 1 -O-CH = CH 2（I）的乙烯基醚和通式（II）的醇R 2 -OH（II）的混合物的混合物，其中R 1和R 2各自独立地 具有2至10个碳原子的饱和或不饱和的脂肪族或脂环族基团，其中醇（II）的沸点至少为1℃，高于或者外推至0.1MPa abs，比 乙烯基醚（I），通过a）将混合物通入第一蒸馏塔并作为顶部产物取出含乙烯基醚（I）和醇（II）的共沸物，并且作为底部产物，富含 酒精（II）; b）将含有乙烯基醚（I）和乙醇（II）的共沸物从第一蒸馏塔送入第二蒸馏塔，其与第一蒸馏塔相比压力高出0.01至3MPa， 作为汽提部分中的底部产物或气体侧流，乙烯基醚（I）和作为顶部产物的含乙烯基醚（I）和醇（II）的共沸物; 和c）将来自第二蒸馏塔的含乙烯基醚（I）和乙醇（II）的共沸物再循环到第一蒸馏塔中。

公开(公告)号：US07619126B2

公开(公告)日：2009-11-17

申请号：US10557422

申请日：2004-05-19

申请人： Bernd Heida

发明人： Bernd Heida

IPC分类号： C07C7/08 ,  C07C11/167 ,  B01D3/40 ,  B01D3/42

CPC分类号： C07C7/08 ,  Y10S203/20 ,  C07C11/167

摘要： A process for recovering crude 1,3-butadiene from a C4 fraction by extractive distillation using a selective solvent in a dividing wall column (TK) in which a dividing wall (T) is arranged in the longitudinal direction of the column to form a first subregion (A), a second subregion (B) and a lower common column region (C) and which is preceded by an extractive scrubbing column (K), wherein the operation of the dividing wall column (TK) is set by regulation of the energy input into the dividing wall column (TK) via a bottom vaporizer (V) and setting of the number of the theoretical plates in the lower common column region (C) so that a bottom stream (17) consisting of purified solvent is obtained from the dividing wall column (TK), is proposed.

摘要翻译： 一种通过在分隔壁（TK）中使用选择性溶剂的萃取蒸馏从C4馏分回收粗1,3-丁二烯的方法，其中分隔壁（T）沿塔的纵向方向排列，形成第一 分区域（A），第二子区域（B）和下共同柱区域（C），并且之前是萃取洗涤塔（K），其中分隔壁塔（TK）的操作通过调节 通过底部蒸发器（V）输入到分隔壁塔（TK）中的能量和设定下部公共塔区域（C）中的理论塔板的数量，使得由纯化溶剂组成的底部流（17）从 提出了分隔壁柱（TK）。

公开(公告)号：US07594979B2

公开(公告)日：2009-09-29

申请号：US10541171

申请日：2004-03-04

申请人： Renate Patrascu ,  Sabrina Astori ,  Meinolf M. Weidenbach

发明人： Renate Patrascu ,  Sabrina Astori ,  Meinolf M. Weidenbach

IPC分类号： B01D3/38 ,  B01D3/42 ,  C07D301/32

CPC分类号： C07D301/32 ,  B01D3/38 ,  B01D3/40 ,  Y10S203/20

摘要： A process of separating a purified propylene oxide from a crude epoxidation product produced, preferably, in an epoxidation reaction of propylene with hydrogen peroxide. The process involves removing bulk water, bulk methanol, and unreacted propylene from the crude epoxidation product and thereafter subjecting the resulting propylene oxide product to extractive distillation with water as an extraction solvent. Under distillation conditions, including a bottoms temperature of greater than about 55° C. and less than about 75° C., an overhead or side-cut distillate stream containing a purified propylene oxide is obtained with low yield loss of propylene oxide to propylene glycols and other glycol heavies. The purified propylene oxide can be further purified in a finishing distillation to obtain propylene oxide meeting commercial grade purity requirements.

摘要翻译： 从粗制环氧化产物中分离纯化的环氧丙烷的方法，优选在丙烯与过氧化氢的环氧化反应中制备。 该方法包括从粗环氧化产物中除去大量水，大量甲醇和未反应的丙烯，然后将所得环氧丙烷产物用水萃取溶剂进行萃取蒸馏。 在蒸馏条件下，包括塔底温度大于约55℃且小于约75℃，得到含有纯化环氧丙烷的塔顶馏分或侧馏分馏分料流，其中丙烯氧化物对丙二醇的低产率损失 和其他二醇重物。 纯化的环氧丙烷可以在精馏蒸馏中进一步纯化，得到符合商业级纯度要求的环氧丙烷。

公开(公告)号：US07556717B2

公开(公告)日：2009-07-07

申请号：US10524356

申请日：2003-12-11

申请人： Bernd Heida

发明人： Bernd Heida

IPC分类号： B01D3/40 ,  C07C7/08

CPC分类号： C07C7/08 ,  B01D3/141 ,  B01D3/40 ,  Y10S203/20 ,  Y10S585/901 ,  C07C11/08 ,  C07C15/02

摘要： A process for fractionating a starting mixture of two or more components by extractive distillation using a selective solvent in a dividing wall column aligned in the longitudinal direction of the column and extending to the upper end of the column and dividing the column interior into a first region, a second region, and a lower combined column region. The starting mixture is fed into the first region, a first top stream is taken off from the first region, and a second top stream is taken off from the second region, each stream having a prescribed specification. The selective solvent is introduced in the upper part of the first region and/or in the upper part of the second region, and solvent flow into the first region and/or solvent flow into the second region are set so that each of the prescribed specifications for the top streams are met.

摘要翻译： 一种通过萃取蒸馏分级分离两种或多种组分的起始混合物的方法，所述方法是使用分离壁塔中的选择性溶剂在塔的长度方向上排列并延伸到塔的上端，并将塔内部分成第一区域 ，第二区域和下部组合列区域。 将起始混合物送入第一区域，从第一区域取出第一顶部流，从第二区域取出第二顶部流，每个流具有规定的规格。 选择性溶剂被引入第一区域的上部和/或第二区域的上部，并且流入第一区域和/或溶剂流入第二区域的溶剂被设定为使得每个规定的规格 为满足顶级流。

公开(公告)号：US20090120780A1

公开(公告)日：2009-05-14

申请号：US11937796

申请日：2007-11-09

申请人： David A. Wegerer ,  Paul A. Sechrist

发明人： David A. Wegerer ,  Paul A. Sechrist

IPC分类号： B01D3/14

CPC分类号： B01D3/14 ,  C07C7/04 ,  Y10S203/04 ,  Y10S203/08 ,  Y10S203/20 ,  Y10S203/90 ,  C07C11/06

摘要： A splitter system is disclosed that produces a product stream from a mixed stream of two materials with similar boiling points. A multi-stage heat pump compressor is used in combination with a bottoms reboiler and an intermediate reboiler resulting in reduced utility consumption. The appropriately placed intermediate reboiler enables use of a lower temperature heat source relative to the bottoms reboiler heat source. As a result, a lower pressure overhead vapor stream can be used to deliver heat to both the intermediate and bottoms reboilers, thereby conserving energy. The first stage of the multi-stage heat pump compressor delivers pressurized overhead vapor to the intermediate reboiler and the second stage provides pressurized overhead vapor to the bottoms reboiler. The disclosed design and method lessens the heat pump compressor power consumption and trim condenser duty for a propylene/propane splitter system by over 20%. A third stage of compression upstream of the overhead trim condenser may be used for purposes of making the column pressure and temperatures independent of the trim condenser temperature.

摘要翻译： 公开了一种分离器系统，其从具有相似沸点的两种材料的混合流产生产物流。 多级热泵压缩机与底部再沸器和中间再沸器组合使用，导致降低的功耗。 适当放置的中间再沸器使得能够使用相对于底​​部再沸器热源的较低温度的热源。 结果，可以使用较低压力的塔顶蒸汽流将热量传递到中间和底部再沸器，从而节省能量。 多级热泵压缩机的第一级将加压的塔顶蒸气输送到中间再沸器，第二级向底部再沸器提供加压的顶部蒸气。 所公开的设计和方法将丙烯/丙烷分配器系统的热泵压缩机功率消耗和修整电容器负载降低20％以上。 顶置式冷凝器上游的第三级压缩可用于使柱压力和温度与修整冷凝器温度无关。

公开(公告)号：US07485208B2

公开(公告)日：2009-02-03

申请号：US10566931

申请日：2004-07-15

申请人： York Alexander Beste ,  Hartmut Schoenmakers ,  Wolfgang Arlt ,  Matthias Seiler ,  Carsten Jork

发明人： York Alexander Beste ,  Hartmut Schoenmakers ,  Wolfgang Arlt ,  Matthias Seiler ,  Carsten Jork

IPC分类号： B01D3/40 ,  B01D3/06

CPC分类号： B01D3/143 ,  B01D3/14 ,  B01D3/343 ,  Y10S203/20

摘要： Process for working up a bottom stream wherein high boilers and ionic liquid from an extractive rectification in which the ionic liquid is used as entrainer. The process includes feeding the bottom stream to an evaporation stage which is operated at a pressure of less than 500 mbar or to a stripper which is operated through use of inert gas or steam, and the major part of the high boiler present is separated off in vapor form from the ionic liquid.

摘要翻译： 用于处理底部流的方法，其中来自提取精馏的高锅炉和离子液体，其中离子液体用作夹带剂。 该方法包括将底部物流进料到在低于500毫巴的压力下操作的蒸发阶段或通过使用惰性气体或蒸汽操作的汽提塔，并且高温锅炉的主要部分被分离出 蒸汽形式从离子液体。