发明名称 |
IMPROVEMENTS RELATING TO PROPYLENE OXIDE PURIFICATION |
摘要 |
A method of separating impurities from impure PO, the method comprising distilling impure PO in a distillation zone to provide distillate PO of enhanced purity, wherein heat is provided to the distillation zone by a bottoms reboiler and by an intermediate reboiler, the intermediate reboiler providing heat at a lower temperature than the bottoms reboiler. A suitable distillation system is also disclosed. |
申请公布号 |
EP3077381(A1) |
申请公布日期 |
2016.10.12 |
申请号 |
EP20140811808 |
申请日期 |
2014.12.04 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
DERKING, ANKE;KAANDORP, JOZEF JACOBUS;VAN MOURIK, ARIAN;VOETTER, MANFRED HEINZ;ZHAO, YING |
分类号 |
C07D301/32;B01D3/32 |
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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