Title:
1,4-ブチンジオールからのポリマーの副生成物の分離方法
Document Type and Number:
Japanese Patent JP2009507058
Kind Code:
A
Abstract:
The present invention relates to a process for purifying 1,4-butynediol, which comprises compressing 1,4-butynediol to from 50 to 1500 bar, depressurizing it, waiting for phase separation to occur after depressurization and separating off the bottom phase, and a process for the hydrogenation of 1,4-butynediol to 1,4-butenediol and 1,4-butanediol using the purified 1,4-butynediol.
Inventors:
Rudolph Erich Lorenz
Rolf Pincos
Michael steiniger
Gerd Scheffer
Thomas Danner
Rolf Pincos
Michael steiniger
Gerd Scheffer
Thomas Danner
Application Number:
JP2008529588A
Publication Date:
February 19, 2009
Filing Date:
August 23, 2006
Export Citation:
Assignee:
BASF SE
International Classes:
C07C29/86; C07C29/17; C07C31/20; C07C33/035; C07C33/046
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel