公开(公告)号：US20080289948A1

公开(公告)日：2008-11-27

申请号：US12159321

申请日：2006-12-13

申请人： Armin Diefenbacher ,  Hans-Georg Gobbel ,  Stefan Bitterlich ,  Hartwig Voss ,  Henning Schultz ,  Anna Forlin ,  Renate Patrascu

发明人： Armin Diefenbacher ,  Hans-Georg Gobbel ,  Stefan Bitterlich ,  Hartwig Voss ,  Henning Schultz ,  Anna Forlin ,  Renate Patrascu

IPC分类号： B01D1/26 ,  B01D3/14

CPC分类号： B01D1/26 ,  B01D1/02 ,  B01D3/148 ,  B01D3/322 ,  C07C29/80 ,  Y10S159/08 ,  Y10S203/17 ,  C07C31/205

摘要： The present invention relates to a process for separating at least one propylene glycol from a mixture (M) comprising water and said propylene glycol, said process comprising (I) evaporating the mixture in at least two evaporation and/or distillation stages at decreasing operating pressures of the evaporators and/or distillation columns obtaining mixture (M′) and mixture (M″); (II) separating the mixture (M′) obtained in (I) in at least one further distillation step, obtaining a mixture (M-I) comprising at least 70 wt.-% of water and a mixture (M-II) comprising less than 30 wt.-% of water.

摘要翻译： 本发明涉及从包含水和所述丙二醇的混合物（M）中分离至少一种丙二醇的方法，所述方法包括（I）在降低的操作压力下在至少两个蒸发和/或蒸馏阶段蒸发混合物 的蒸发器和/或蒸馏塔获得混合物（M'）和混合物（M“）; （II）将在（I）中获得的混合物（M'）在至少一个另外的蒸馏步骤中分离，得到包含至少70重量％的水的混合物（MI）和包含小于 30重量％的水。

公开(公告)号：US20060161010A1

公开(公告)日：2006-07-20

申请号：US11036051

申请日：2005-01-18

申请人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schulz ,  Meinolf Weidenbach

发明人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schulz ,  Meinolf Weidenbach

IPC分类号： C07D301/12

CPC分类号： C07D301/12 ,  Y02P20/582

摘要： The invention relates to a process for the epoxidation of an olefin comprising (a) reacting the olefin with hydrogen peroxide in the presence of methanol as solvent in at least two reaction stages to obtain a mixture (M-a) comprising olefin oxide, unreacted olefin, methanol and water, wherein between at least two reaction stages, olefin oxide is separated by distillation; (b) separating unreacted olefin from the mixture (M-a) by distillation to obtain a mixture (M-bi) comprising at least 80 wt.-% of olefin and a mixture (M-bii) comprising methanol, water and at least 7 wt.-% of olefin oxide; (c) separating olefin oxide from the mixture (M-bii) in at least one distillation stage to obtain a mixture (M-ci) comprising at least 99 wt.-% of oletin oxide and a mixture (M-cii) comprising water and at least 55 wt.-% of methanol; (d) separating methanol from the mixture (M-cii) in at least one distillation stage to obtain a mixture (M-di) comprising at least 85 wt.-% of methanol and up to 10 wt.-% of water, and a mixture (M-dii) comprising at least 90 wt.-% of water; wherein a vapor top stream (Td) obtained from at least one distillation column used in (d), said vapor top stream (Td) comprising at least 85 wt.-% methanol, is used to operate at least partially at least one vaporizer used in at least one distillation column used in at least one of stages (a), (b) and (c).

摘要翻译： 本发明涉及烯烃的环氧化方法，其包括（a）在至少两个反应阶段中在甲醇作为溶剂的存在下使烯烃与过氧化氢反应，以获得包含烯烃氧化物，未反应的烯烃，甲醇的混合物（Ma） 和水，其中在至少两个反应阶段之间，通过蒸馏分离烯烃氧化物; （b）通过蒸馏从混合物（Ma）中分离未反应的烯烃，得到包含至少80重量％的烯烃和包含甲醇，水和至少7重量％的烯烃的混合物（M-bii）的混合物（M-bi） .-％的烯烃氧化物; （c）在至少一个蒸馏阶段从所述混合物（M-bii）中分离烯烃氧化物以获得包含至少99重量％的氧化铝的混合物（M-ci）和包含水的混合物（M-cii） 和至少55重量％的甲醇; （d）在至少一个蒸馏阶段中从混合物（M-cii）中分离甲醇以获得包含至少85重量％的甲醇和至多10重量％的水的混合物（M-di），以及 包含至少90重量％的水的混合物（M-dii） 其中从（d）中使用的至少一个蒸馏塔获得的蒸汽顶部流（Td），所述蒸气顶部流（Td）包含至少85重量％的甲醇，用于至少部分地使用至少一个使用的蒸发器 在（a），（b）和（c）中的至少一个中使用的至少一个蒸馏塔中。

公开(公告)号：US20090118523A1

公开(公告)日：2009-05-07

申请号：US11631843

申请日：2005-07-06

申请人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schultz ,  Meinolf Weidenbach

发明人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schultz ,  Meinolf Weidenbach

IPC分类号： C07D301/32

CPC分类号： C07D301/32 ,  C07D301/12

摘要： A method of separating propylene oxide from a mixture (M) comprising propylene oxide and methanol, said method comprising: (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing an extracting solvent into said extractive distillation column; (iii) distilling propylene oxide overhead from said extractive distillation column as top stream; (iv) withdrawing a bottoms stream from said extractive distillation column; (v) compressing the top stream obtained overhead in (iii) by means of at least one compressor to give a compressed vapor.

摘要翻译： 一种从包含环氧丙烷和甲醇的混合物（M）中分离环氧丙烷的方法，所述方法包括：（i）将所述混合物（M）引入萃取蒸馏塔; （ii）另外将萃取溶剂引入所述​​萃取蒸馏塔中; （iii）从所述萃取蒸馏塔顶部馏出环氧丙烷作为顶部流; （iv）从所述萃取蒸馏塔中取出塔底物​​流; （v）通过至少一个压缩机压缩在（iii）中获得的塔顶馏出物的顶部流以产生压缩蒸汽。

公开(公告)号：US20060009648A1

公开(公告)日：2006-01-12

申请号：US10884968

申请日：2004-07-07

申请人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schulz ,  Meinolf Weidenbach

发明人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schulz ,  Meinolf Weidenbach

IPC分类号： C07D301/03

CPC分类号： C07D301/32

摘要： A method of separating propylene oxide from a mixture (M) comprising 5 to 50 percent by weight propylene oxide and 50 to 85 percent by weight methanol, said method comprising (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing a polar solvent into said extractive distillation column; (iii) distilling propylene oxide overhead from said extractive distillation column at a bottoms temperature of from 40 to 70° C. and at a pressure of from 300 to 750 mbar.

摘要翻译： 从包含5至50重量％的环氧丙烷和50至85重量％的甲醇的混合物（M）中分离环氧丙烷的方法，所述方法包括（i）将所述混合物（M）引入萃取蒸馏塔中; （ii）另外将极性溶剂引入所述​​萃取蒸馏塔中; （iii）在40至70℃的底部温度和300至750毫巴的压力下，从所述萃取蒸馏塔中蒸馏环氧丙烷塔顶馏出物。

公开(公告)号：US20050240038A1

公开(公告)日：2005-10-27

申请号：US10828291

申请日：2004-04-21

申请人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schulz ,  Meinolf Weidenbach

发明人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schulz ,  Meinolf Weidenbach

IPC分类号： B01D53/14 ,  C07D301/12 ,  C07D301/19 ,  C07C7/00

CPC分类号： B01D53/1487 ,  Y02P20/582

摘要： The present invention relates to a method of separating an olefin from a gas stream, said gas stream comprising the olefin and at least one other component, said method comprising (i) compressing and cooling the gas stream; (ii) separating the olefin from the gas stream by absorbing the olefin in an absorbent; (iii) separating the olefin from the absorbent by desorption; wherein compressing or cooling or compressing and cooling in (i) is carried out at least twice.

摘要翻译： 本发明涉及从气流中分离烯烃的方法，所述气流包含烯烃和至少一种其它组分，所述方法包括（i）压缩和冷却气流; （ii）通过吸收吸收剂中的烯烃从气流中分离烯烃; （iii）通过解吸从分离吸收剂中分离烯烃; 其中在（i）中压缩或冷却或压缩和冷却至少进行两次。

公开(公告)号：US20060006054A1

公开(公告)日：2006-01-12

申请号：US10884967

申请日：2004-07-07

申请人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schultz ,  Meinolf Weidenbach

发明人： Hans-Georg Gobbel ,  Henning Schultz ,  Peter Schultz ,  Renate Patrascu ,  Malte Schultz ,  Meinolf Weidenbach

IPC分类号： B01D3/34 ,  C07C27/26

CPC分类号： C07D301/32 ,  C07D301/12

摘要： A method of separating propylene oxide from a mixture (M) comprising propylene oxide and methanol, said method comprising (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing an extracting solvent into said extractive distillation column; (iii) distilling propylene oxide overhead from said extractive distillation column as top stream; (iv) withdrawing a bottoms stream from said extractive distillation column; (v) compressing the top stream obtained overhead in (iii) by means of at least one compressor to give a compressed vapor.

摘要翻译： 一种从包含环氧丙烷和甲醇的混合物（M）中分离环氧丙烷的方法，所述方法包括（i）将所述混合物（M）引入萃取蒸馏塔中; （ii）另外将萃取溶剂引入所述​​萃取蒸馏塔中; （iii）从所述萃取蒸馏塔顶部馏出环氧丙烷作为顶部流; （iv）从所述萃取蒸馏塔中取出塔底物​​流; （v）通过至少一个压缩机压缩在（iii）中获得的塔顶馏出物的顶部流以产生压缩蒸汽。

公开(公告)号：US20080306290A1

公开(公告)日：2008-12-11

申请号：US12159404

申请日：2006-12-18

申请人： Hans-Georg Gobbel ,  Peter Bassler ,  Joaquim Henrique Teles ,  Peter Rudolf ,  Ulrich Muller ,  Anna Forlin ,  Malte Schulz ,  Meinolf Weidenbach

发明人： Hans-Georg Gobbel ,  Peter Bassler ,  Joaquim Henrique Teles ,  Peter Rudolf ,  Ulrich Muller ,  Anna Forlin ,  Malte Schulz ,  Meinolf Weidenbach

IPC分类号： C07D301/12

CPC分类号： C07D301/12

摘要： The present invention provides a process for the epoxidation of propene which comprises reacting propene with hydrogen peroxide in the presence of methanol as solvent and a titanium zeolite catalyst, the process further comprising separating propylene oxide from the reaction mixture to obtain a mixture comprising methanol, water, at least one carboxylic acid and at least one carbonyl compound, wherein the at least one carboxylic acid is at least partially neutralized, said process optionally comprising a hydrogenation stage.

摘要翻译： 本发明提供丙烯环氧化方法，其包括在甲醇作为溶剂和钛沸石催化剂的存在下使丙烯与过氧化氢反应，该方法还包括从反应混合物中分离环氧丙烷以获得包含甲醇，水 ，至少一种羧酸和至少一种羰基化合物，其中所述至少一种羧酸被至少部分中和，所述方法任选地包含氢化阶段。

公开(公告)号：US20080167484A1

公开(公告)日：2008-07-10

申请号：US11994129

申请日：2006-06-20

申请人： Gotz-Peter Schindler ,  Christian Walsdorff ,  Reinhard Korner ,  Hans-Georg Gobbel

发明人： Gotz-Peter Schindler ,  Christian Walsdorff ,  Reinhard Korner ,  Hans-Georg Gobbel

IPC分类号： C07D301/12

CPC分类号： C07D301/12

摘要： The present invention relates to a process for producing propylene oxide comprising (I) reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (GI) comprising propylene oxide, unreacted propene, and oxygen; (II) separating propylene oxide from mixture (GI) to give a mixture (GII) comprising propene and oxygen; (III) reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising Sn and at least one noble metal.

摘要翻译： 本发明涉及一种生产环氧丙烷的方法，其包括（I）在催化剂存在下使丙烯与过氧化氢反应，得到包含环氧丙烷，未反应的丙烯和氧的混合物（GI） （II）将环氧丙烷与混合物（GI）分离，得到包含丙烯和氧的混合物（GII）; （III）在包含Sn和至少一种贵金属的催化剂的存在下至少部分地通过与氢反应来还原混合物（GII）中包含的氧。

公开(公告)号：US20060205964A1

公开(公告)日：2006-09-14

申请号：US10553441

申请日：2004-04-16

申请人： Hans-Georg Gobbel ,  Peter Bassler ,  Joaquim Teles ,  Peter Rudolf

发明人： Hans-Georg Gobbel ,  Peter Bassler ,  Joaquim Teles ,  Peter Rudolf

IPC分类号： C07D301/03

CPC分类号： C07D301/12

摘要： Process for preparing propylene oxide, which comprises at least the steps (iii) and (iv) (iii) separating off propylene oxide from a mixture (M1) comprising propylene oxide and at least one solvent by distillation in a distillation column, giving a bottom stream and a vapor stream consisting essentially of propylene oxide; (iv) compressing the vapor stream obtained in (iii) by means of at least one compressor to give a compressed vapor.

摘要翻译： 制备环氧丙烷的方法，其至少包括步骤（iii）和（iv）（iii）通过在蒸馏塔中蒸馏从包含环氧丙烷和至少一种溶剂的混合物（M1）中分离环氧丙烷，得到底部 气流和基本上由环氧丙烷组成的蒸气流; （iv）通过至少一个压缩机压缩（iii）中获得的蒸气流，得到压缩蒸气。

公开(公告)号：US20060014969A1

公开(公告)日：2006-01-19

申请号：US10521790

申请日：2003-07-22

申请人： Peter Bassler ,  Hans-Georg Gobbel ,  Joaquim Teles ,  Peter Rudolf

发明人： Peter Bassler ,  Hans-Georg Gobbel ,  Joaquim Teles ,  Peter Rudolf

IPC分类号： C07D301/19

CPC分类号： C07D301/12 ,  Y02P20/582

摘要： Continuously operated process for the intermediate isolation of the oxirane formed by reaction of a hydroperoxide with an organic compound in the oxirane synthesis, wherein the product mixture formed in the synthesis is fractionated in a dividing wall column to give a low-boiling fraction, an intermediate-boiling fraction and a high-boiling fraction and the oxirane is taken off in the intermediate-boiling fraction at the side offtake and the hydroperoxide is taken off in the high-boiling fraction at the bottom of the column.

摘要翻译： 在环氧乙烷合成中通过氢过氧化物与有机化合物的反应形成的环氧乙烷的中间分离的连续操作方法，其中在合成中形成的产物混合物在分隔壁塔中分馏得到低沸点馏分，中间体 沸腾馏分和高沸点馏分，环氧乙烷在中间馏分馏出物的一侧取出，氢过氧化物在柱底部的高沸点馏分中取出。