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11. 发明专利

ES2340325T3 UN PROCESO PARA SEPARAR PROPILENGLUCOL A PARTIR DE COMPOSICIONES ACUOSAS. 未知
公开(公告)号：ES2340325T3
公开(公告)日：2010-06-01
申请号：ES06830581
申请日：2006-12-13
申请人： BASF SE , DOW CHEMICAL CO
发明人： DIEFENBACHER ARMIN , GOBBEL HANS-GEORG , BITTERLICH STEFAN , VOSS HARTWIG , SCHULTZ HENNING , FORLIN ANNA
IPC分类号： B01D1/26 , B01D3/14
摘要： Un proceso para separar al menos un propilen glicol de una mezcla (M) que comprende agua y dicho propilen glicol, comprendiendo dicho proceso (I) evaporar la mezcla en al menos dos etapas de evaporación y/o destilación a presiones de operación decrecientes de los evaporadores y/o columnas de destilación obteniéndose la mezcla (M'') y la mezcla (M''''); Donde la mezcla (M'''') es separada adicionalmente en la mezcla (M-Ia) que comprende al menos 90% en peso de agua y la mezcla (M-Ib) que comprende menos de 95% en peso de agua por medio de ósmosis reversa. (II) separar la mezcla (M'') obtenida en (I) en al menos una etapa adicional de destilación, obteniendo una mezcla (M-I) que comprende al menos 70% en peso de agua y una mezcla (M-II) que comprende menos de 30% en peso de agua.

12. 发明申请

WO2006003004A2 SEPARATION OF PROPYLENE OXIDE FROM A MIXTURE COMPRISING PROPYLENE OXIDE AND METHANOL 审中-公开
标题翻译：从含有环氧丙烷和甲醇的混合物中分离氧化丙烯
公开(公告)号：WO2006003004A2
公开(公告)日：2006-01-12
申请号：PCT/EP2005007300
申请日：2005-07-06
申请人： BASF AG , DOW CHEMICAL CO , GOEBBEL HANS-GEORG , SCHULTZ HENNING , SCHULTZ PETER , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF
发明人： GOEBBEL HANS-GEORG , SCHULTZ HENNING , SCHULTZ PETER , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF
IPC分类号： C07D301/00
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 com-prising (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：一种从包含5-50重量％环氧丙烷和50-85重量％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40-70℃的底部温度和300-750毫巴的压力下从所述萃取蒸馏塔蒸馏环氧丙烷塔顶馏出物。

13. 发明申请

WO2006077183A8 A PROCESS FOR THE EPOXIDATION OF AN OLEFIN WITH IMPROVED ENERGY BALANCE 审中-公开
标题翻译：具有改进的能量平衡的烯烃的环氧化方法
公开(公告)号：WO2006077183A8
公开(公告)日：2007-08-30
申请号：PCT/EP2006050092
申请日：2006-01-09
申请人： BASF AG , DOW CHEMICAL CO , GOEBBEL HANS-GEORG , SCHULTZ HENNING , SCHULTZ PETER , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF
发明人： GOEBBEL HANS-GEORG , SCHULTZ HENNING , SCHULTZ PETER , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF
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 olefin 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，得到包含烯烃氧化物，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）分离烯烃氧化物以获得包含至少99重量％的烯烃氧化物的混合物（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。

14. 发明专利

BRPI0513030B1 未知
公开(公告)号：BRPI0513030B1
公开(公告)日：2014-06-10
申请号：BRPI0513030
申请日：2005-07-06
申请人： BASF AG , DOW CHEMICAL CO
发明人： SCHULTZ PETER , PATRASCU RENATE , GOEBBEL HANS-GEORG , SCHULTZ HENNING , SCHULZ MALTE , WEIDENBACH MEINOLF
IPC分类号： C07D301/32
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.

15. 发明专利

BRPI0606494A2 未知
公开(公告)号：BRPI0606494A2
公开(公告)日：2010-01-19
申请号：BRPI0606494
申请日：2006-01-09
申请人： BASF AG , DOW CHEMICAL CO
发明人： GOEBBEL HANS-GEORG , SCHULTZ HENNING , SCHULTZ PETER , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF
IPC分类号： C07D301/12

16. 发明专利

BRPI0513021A 未知
公开(公告)号：BRPI0513021A
公开(公告)日：2008-04-22
申请号：BRPI0513021
申请日：2005-07-06
申请人： BASF AG , DOW CHEMICAL CO
发明人： BBEL HANS-GEORG G , SCHULTZ HENNING , SCHULTZ PETER , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF
IPC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.

17. 发明专利

BRPI0509077A 未知
公开(公告)号：BRPI0509077A
公开(公告)日：2007-08-21
申请号：BRPI0509077
申请日：2005-04-19
申请人： BASF AG , DOW CHEMICAL CO
发明人： BBEL HANS-GEORG G , SCHULTZ HENNING , SCHULTZ PETER , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF
IPC分类号： C07D301/12 , B01D53/14
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.

18. 发明专利

BRPI0509077B1 未知
公开(公告)号：BRPI0509077B1
公开(公告)日：2014-12-02
申请号：BRPI0509077
申请日：2005-04-19
申请人： BASF AG , DOW CHEMICAL CO
发明人： SCHULTZ PETER , GOEBBEL HANS-GEORG , SCHULTZ HENNING , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF
IPC分类号： C07D301/12 , B01D53/14
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.

19. 发明专利

MY140631A SEPARATION OF PROPYLENE OXIDE FROM A MIXTURE COMPRISING PROPYLENE OXIDE AND METHANOL 未知
公开(公告)号：MY140631A
公开(公告)日：2010-01-15
申请号：MYPI20053094
申请日：2005-07-06
申请人： BASF AG , DOW CHEMICAL CO
发明人： BBEL HANS-GEORG G XD DR , SCHULTZ HENNING , SCHULTZ PETER DR , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF DR
IPC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.

20. 发明专利

MY139850A A PROCESS FOR THE EPOXIDATION OF AN OLEFIN WITH IMPROVED ENERGY BALANCE 未知
公开(公告)号：MY139850A
公开(公告)日：2009-11-30
申请号：MYPI20060198
申请日：2006-01-17
申请人： BASF AG , DOW CHEMICAL CO
发明人： GOEBBEL HANS-GEORG DR , SCHULTZ HENNING , SCHULTZ PETER DR , PATRASCU RENATE , SCHULZ MALTE , WEIDENBACH MEINOLF DR
摘要： THE INVENTION RELATES TO A PROCESS FOR THE EPOXICLATION 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 MIX- TURE (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 OLEFIN 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-DI) 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) COMRISING AT LEAST 85 WT-% METHANOL, IS USED TO OPER- ATE 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).

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