Process for the purification of an alkanolamine

Details Process for the purification of an alkanolamine Process for the purification of an alkanolamine

1998-10-26

2000-11-28

Smith, Duane S.

Gas separation: processes

Liquid contacting

And degasification of a liquid

95193, 95209, 203 42, 203 72, B01D 5314

Patent

active

06152994&

ABSTRACT:
A process for the purification of an aqueous alkanolamine which process involves subjecting the alkanolamine to a distillation process carried out in one or more film-type evaporators and involves 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.

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