发明名称 |
Separation of Propylene Oxide from a Mixture Comprising Propylene Oxide and Methanol |
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.
|
申请公布号 |
US2009118523(A1) |
申请公布日期 |
2009.05.07 |
申请号 |
US20050631843 |
申请日期 |
2005.07.06 |
申请人 |
BASF AKITENGESELLSHAFT;THE DOW CHEMICAL COMPANY |
发明人 |
GOBBEL HANS-GEORG;SCHULTZ HENNING;SCHULTZ PETER;PATRASCU RENATE;SCHULTZ MALTE;WEIDENBACH MEINOLF |
分类号 |
C07D301/32 |
主分类号 |
C07D301/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|