Title:
【発明の名称】アルカノールアミンの精製方法
Document Type and Number:
Japanese Patent JP2001521018
Kind Code:
A
Abstract:
A process for the purification of an aqueous alkanolamine which process comprises subjecting the alkanolamine to distillation process carried out in one or more film-type evaporators and comprising at least two steps, wherein in the first step water is removed from the aqueous alkanolamine and in the second step the de-watered alkanolamine is further purified.
Inventors:
Petrus Franciscus Antonius Wan Grinswen
Gearsbelt Yang Wann Heringen
Gearsbelt Yang Wann Heringen
Application Number:
JP2000517933A
Publication Date:
November 06, 2001
Filing Date:
October 26, 1998
Export Citation:
Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
B01D3/00; C07C213/10; C07C215/08; B01D53/14; (IPC1-7): C07C213/10; B01D3/00; B01D53/14; C07C215/08
Attorney, Agent or Firm:
Kawahara Kazuho