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

Applicant: BASF AG ,  DOW CHEMICAL CO ,  GOEBBEL HANS-GEORG ,  SCHULTZ HENNING ,  SCHULTZ PETER ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

Inventor： GOEBBEL HANS-GEORG ,  SCHULTZ HENNING ,  SCHULTZ PETER ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07D301/12

CPC classification number: C07D301/12 ,  Y02P20/582

Abstract: 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).

Abstract translation: 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。

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

Applicant: BASF AG ,  DOW CHEMICAL CO ,  GOEBBEL HANS-GEORG ,  SCHULTZ HENNING ,  SCHULTZ PETER ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

Inventor： GOEBBEL HANS-GEORG ,  SCHULTZ HENNING ,  SCHULTZ PETER ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07D301/00

CPC classification number: C07D301/32

Abstract: 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.

Abstract translation: 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。

公开(公告)号：BRPI0513030B1

公开(公告)日：2014-06-10

申请号：BRPI0513030

申请日：2005-07-06

Applicant: BASF AG ,  DOW CHEMICAL CO

Inventor： SCHULTZ PETER ,  PATRASCU RENATE ,  GOEBBEL HANS-GEORG ,  SCHULTZ HENNING ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07D301/32

Abstract: 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.

公开(公告)号：BRPI0606494A2

公开(公告)日：2010-01-19

申请号：BRPI0606494

申请日：2006-01-09

Applicant: BASF AG ,  DOW CHEMICAL CO

Inventor： GOEBBEL HANS-GEORG ,  SCHULTZ HENNING ,  SCHULTZ PETER ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07D301/12

公开(公告)号：BRPI0513021A

公开(公告)日：2008-04-22

申请号：BRPI0513021

申请日：2005-07-06

Applicant: BASF AG ,  DOW CHEMICAL CO

Inventor： BBEL HANS-GEORG G ,  SCHULTZ HENNING ,  SCHULTZ PETER ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07D301/32

Abstract: 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.

公开(公告)号：BRPI0509077A

公开(公告)日：2007-08-21

申请号：BRPI0509077

申请日：2005-04-19

Applicant: BASF AG ,  DOW CHEMICAL CO

Inventor： BBEL HANS-GEORG G ,  SCHULTZ HENNING ,  SCHULTZ PETER ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07D301/12 ,  B01D53/14

Abstract: 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.

公开(公告)号：BRPI0509077B1

公开(公告)日：2014-12-02

申请号：BRPI0509077

申请日：2005-04-19

Applicant: BASF AG ,  DOW CHEMICAL CO

Inventor： SCHULTZ PETER ,  GOEBBEL HANS-GEORG ,  SCHULTZ HENNING ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07D301/12 ,  B01D53/14

Abstract: 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.

公开(公告)号：MY140631A

公开(公告)日：2010-01-15

申请号：MYPI20053094

申请日：2005-07-06

Applicant: BASF AG ,  DOW CHEMICAL CO

Inventor： BBEL HANS-GEORG G XD DR ,  SCHULTZ HENNING ,  SCHULTZ PETER DR ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF DR

IPC: C07D301/32

Abstract: 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.

公开(公告)号：MY139850A

公开(公告)日：2009-11-30

申请号：MYPI20060198

申请日：2006-01-17

Applicant: BASF AG ,  DOW CHEMICAL CO

Inventor： GOEBBEL HANS-GEORG DR ,  SCHULTZ HENNING ,  SCHULTZ PETER DR ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF DR

Abstract: 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).

公开(公告)号：MX2007008612A

公开(公告)日：2007-09-11

申请号：MX2007008612

申请日：2006-01-09

Applicant: BASF AG

Inventor： GOBBEL HANS-GEORG ,  SCHULTZ HENNING ,  SCHULTZ PETER ,  PATRASCU RENATE ,  SCHULZ MALTE ,  WEIDENBACH MEINOLF

IPC: C07D301/12

Abstract: La invencion se relaciona con un proceso para la epoxidacion de una olefina que comprende (a) hacer relaciona la olefina con peroxido de hidrogeno en presencia de metanol como solventen cuando menos dos etapas de reaccion para obtener una mezcla (M-a) que comprende oxido de olefina, olefina no reaccionada, metanol y agua, en donde entre cuando menos dos etapas de reaccion, el oxido de olefina se separa por destilacion; (b) separar la olefina no reaccionada de la mezcla (M-a) mediante destilacion para obtener una mezcla (M-bi) que comprende cuando menos 80% en peso de olefina y una mezcla (M-bii) que comprende metanol, agua y cuando menos 7% en peso de oxido de olefina; (c) separar oxido de olefina de la mezcla (M-bii) en cuando menos una etapa de destilacion para obtener una mezcla (M-ci) que comprende cuando menos 99% en peso de oxido de olefina y una mezcla (M-cii) que comprende agua y cuando menos 55% en peso de metanol; separar metanol de la mezcla (M-cii) en cuando menos una etapa de destilacion para obtener una mezcla (M-di) que comprende cuando menos 85% en peso de metanol y hasta 10% en peso de agua, y una mezcla (M-dii) que comprende cuando menos 90% en peso de agua; en donde una corriente (Td) superior a vapor obtenida de cuando menos una columna de destilacion usada en (d), la corriente (Td) superior de vapor comprendiendo cuando menos 85% en peso de metanol., se usan para operar cuando menos parcialmente por lo menos un vaporizador usado en cuando menos una columna de destilacion usada en cuando menos una de las etapas (a), (b) y (c).