Title:
純粋なトリエタノールアミン(TEOA)の製造法
Document Type and Number:
Japanese Patent JP5836519
Kind Code:
B2
Abstract:
A process for preparing pure triethanolamine (TEOA) by continuously distillatively separating an ethanolamine mixture comprising TEOA and diethanolamine (DEOA), by distilling off DEOA in a distillation column (DEOA column) and supplying the resulting bottom stream comprising TEOA to a downstream column (TEOA column) in which the pure TEOA is withdrawn as a side draw stream, wherein the residence time of the ethanolamine mixture in the bottom of the DEOA column is <20 minutes.
More Like This:
Inventors:
Johann-Peter Melder
Hunter fan Kauenberghe
Tom Flemau
Jurgen Moores
Tylohan
Beant stein
Hunter fan Kauenberghe
Tom Flemau
Jurgen Moores
Tylohan
Beant stein
Application Number:
JP2015049334A
Publication Date:
December 24, 2015
Filing Date:
March 12, 2015
Export Citation:
Assignee:
BASF SE
International Classes:
C07C213/10; C07C215/08
Domestic Patent References:
JP2007508257A | ||||
JP2003520264A | ||||
JP2004238290A | ||||
JP2008511560A | ||||
JP49080012A | ||||
JP3086851A | ||||
JP59142801A | ||||
JP2012512826A |
Foreign References:
US20060293541 | ||||
US20030100798 | ||||
US20040158102 | ||||
US20070276161 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Takuya Kuno
Takuya Kuno