发明名称 |
ВЫДЕЛЕНИЕ ПРОПИЛЕНОКСИДА ИЗ СМЕСИ, СОДЕРЖАЩЕЙ ПРОПИЛЕНОКСИД |
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. |
申请公布号 |
RU2007104286(A) |
申请公布日期 |
2008.08.27 |
申请号 |
RU20070104286 |
申请日期 |
2005.07.06 |
申请人 |
БАСФ АКЦИЕНГЕЗЕЛЬШАФТ (DE);ДЗЕ ДАУ КЕМИКАЛ КОМПАНИ (US) |
发明人 |
ГЕББЕЛЬ Ханс-Георг (DE);ШУЛЬТЦ Хеннинг (DE);ШУЛЬТЦ Петер (DE);ПАТРАСКУ Ренате (DE);ШУЛЬЦ Мальте (DE);ВАЙДЕНБАХ Майнольф (DE) |
分类号 |
C07D301/32 |
主分类号 |
C07D301/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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