Title:
【発明の名称】オレフィンのエポキシ化のための方法
Document Type and Number:
Japanese Patent JP2003521544
Kind Code:
A
Abstract:
The present invention relates to a process for the working up of a product stream from the epoxidation of olefins that contains olefin, olefin oxide, water-miscible organic solvent and water, by separating this product stream into an overhead product containing olefin, olefin oxide and organic solvent, and into a bottom product containing organic solvent and water, wherein the separation takes place in a pre-evaporator with at most 5 theoretical separation stages, and 20 to 60% of the total amount of organic solvent introduced with the product stream is removed with the overhead product and the residue remains in the bottom product, as well as a process for the epoxidation of olefins that includes this working up stage.
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Inventors:
Villi Hofen
Georg Thielle
Alexander melar
Georg Thielle
Alexander melar
Application Number:
JP2001556860A
Publication Date:
July 15, 2003
Filing Date:
February 03, 2001
Export Citation:
Assignee:
Degussa Actien Gezel Shaft
Uhde Gezel Shaft Mitt Beschlenktel Haftong
Uhde Gezel Shaft Mitt Beschlenktel Haftong
International Classes:
C07B61/00; C07D301/12; C07D301/32; C07D303/04; (IPC1-7): C07D301/12; C07D301/32; C07D303/04
Attorney, Agent or Firm:
Toshio Yano (4 outside)