发明名称 |
MÉTODO DE SEPARAÇÃO DE ÓXIDO DE PROPILENO DE UMA MISTURA |
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 |
BRPI0513021(B1) |
申请公布日期 |
2014.08.19 |
申请号 |
BR2005PI13021 |
申请日期 |
2005.07.06 |
申请人 |
BASF AKTIENGESELLSCHAFT;THE DOW CHEMICAL COMPANY |
发明人 |
HANS-GEORG GOEBBEL;HENNING SCHULTZ;PETER SCHULTZ;RENATE PATRASCU;MALTE SCHULZ;MEINOLF WEIDENBACH |
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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