公开(公告)号：EP1778659A1

公开(公告)日：2007-05-02

申请号：EP05773852.8

申请日：2005-07-06

申请人： BASF Aktiengesellschaft ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, Hans-Georg ,  SCHULTZ, Henning ,  SCHULTZ, Peter ,  PATRASCU, Renate ,  SCHULZ, Malte ,  WEIDENBACH, Meinolf

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 col-umn; (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：EP1740562A1

公开(公告)日：2007-01-10

申请号：EP05732268.7

申请日：2005-04-19

申请人： BASF Aktiengesellschaft ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, Hans-Georg ,  SCHULTZ, Henning ,  SCHULTZ, Peter ,  PATRASCU, Renate ,  SCHULZ, Malte ,  WEIDENBACH, Meinolf

IPC分类号： C07D301/12 ,  B01D53/14

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 absor-bent; (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：EP1778659B1

公开(公告)日：2008-01-02

申请号：EP05773852.8

申请日：2005-07-06

申请人： BASF Aktiengesellschaft ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, Hans-Georg ,  SCHULTZ, Henning ,  SCHULTZ, Peter ,  PATRASCU, Renate ,  SCHULZ, Malte ,  WEIDENBACH, Meinolf

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 col-umn; (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：EP1841753A1

公开(公告)日：2007-10-10

申请号：EP06700597.5

申请日：2006-01-09

申请人： BASF AKTIENGESELLSCHAFT ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, 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).

公开(公告)号：EP1765801A2

公开(公告)日：2007-03-28

申请号：EP05760069.4

申请日：2005-07-06

申请人： BASF AKTIENGESELLSCHAFT ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, Hans-Georg ,  SCHULTZ, Henning ,  SCHULTZ, Peter ,  PATRASCU, Renate ,  SCHULZ, Malte ,  WEIDENBACH, Meinolf

IPC分类号： C07D301/32

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。

公开(公告)号：EP1973891B2

公开(公告)日：2015-11-04

申请号：EP06830700.8

申请日：2006-12-18

申请人： BASF SE ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, Hans-Georg ,  BASSLER, Peter ,  TELES, Joaquim, Henrique ,  RUDOLF, Peter ,  MÜLLER, Ulrich ,  FORLIN, Anna ,  SCHULZ, Malte ,  WEIDENBACH, Meinolf ,  SCHWAB, Ekkehard ,  GERLACH, Till ,  KRUG, Georg

IPC分类号： C07D301/12 ,  C07C7/04 ,  C07C9/04

CPC分类号： C07D301/12

公开(公告)号：EP1973891B1

公开(公告)日：2011-03-16

申请号：EP06830700.8

申请日：2006-12-18

申请人： BASF SE ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, Hans-Georg ,  BASSLER, Peter ,  TELES, Joaquim, Henrique ,  RUDOLF, Peter ,  MÜLLER, Ulrich ,  FORLIN, Anna ,  SCHULZ, Malte ,  WEIDENBACH, Meinolf ,  SCHWAB, Ekkehard ,  GERLACH, Till ,  KRUG, Georg

IPC分类号： C07D301/12 ,  C07C7/04 ,  C07C9/04

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： 本发明提供了一种丙烯环氧化方法，该方法包括丙烯与过氧化氢在作为溶剂的甲醇和钛沸石催化剂存在下反应，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至少部分中和，所述方法任选地包含氢化阶段。

公开(公告)号：EP1973891A1

公开(公告)日：2008-10-01

申请号：EP06830700.8

申请日：2006-12-18

申请人： BASF SE ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, Hans-Georg ,  BASSLER, Peter ,  TELES, Joaquim, Henrique ,  RUDOLF, Peter ,  MÜLLER, Ulrich ,  FORLIN, Anna ,  SCHULZ, Malte ,  WEIDENBACH, Meinolf

IPC分类号： C07D301/12 ,  C07C7/04 ,  C07C9/04

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.

公开(公告)号：EP1841753B1

公开(公告)日：2009-08-05

申请号：EP06700597.5

申请日：2006-01-09

申请人： BASF SE ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, 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).

公开(公告)号：EP1765801B1

公开(公告)日：2008-11-12

申请号：EP05760069.4

申请日：2005-07-06

申请人： BASF SE ,  THE DOW CHEMICAL COMPANY

发明人： GÖBBEL, Hans-Georg ,  SCHULTZ, Henning ,  SCHULTZ, Peter ,  PATRASCU, Renate ,  SCHULZ, Malte ,  WEIDENBACH, Meinolf

IPC分类号： C07D301/32

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.