純粋なトリエタノールアミン（ＴＥＯＡ）の製造法

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supplying the resulting bottom stream comprising TEOA to a downstream column (TEOA column) in which the pure TEOA is withdrawn as a side draw stream, wherein the residence time of the ethanolamine mixture in the bottom of the DEOA column is 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.

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Inventors:

Johann-Peter Melder
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:

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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

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Next Patent: JPS5836520