Method of inhibiting foam formation in alkanolamine systems

Details Method of inhibiting foam formation in alkanolamine systems Method of inhibiting foam formation in alkanolamine systems

B - Operations, Transporting

01

D

B01D 17/00 (2006.01) B01D 17/04 (2006.01) C10G 19/00 (2006.01) C10G 29/00 (2006.01) C10G 29/20 (2006.01)

Patent

CA 2301255

A method for inhibiting foam formation in a stripper of an amine unit is disclosed. The addition of non-foaming demulsifiers to the liquid, compressed hydrocarbon stream entering or the aqueous organic amine stream entering or exiting an absorber of an amine unit effectively inhibits foam formation in the amine unit stripper. Foam formation in the stripper is inhibited by controlling the entrainment of hydrocarbon in the alkaline amine stream entering the stripper through demulsification treatment in the absorber.

L'invention porte sur un procédé empêchant efficacement la formation de mousse dans le stripper d'une unité de production d'amine par adjonction d'un désémulsifiant non moussant au courant liquide d'hydrocarbure comprimé, entrant dans, ou au courant aqueux d'amine organique, entrant dans ou sortant de, l'absorbeur de l'unité de production d'amine. C'est la désémulsification à l'intérieur de l'absorbeur qui réduit la formation de mousse dans le stripper en régulant l'entraînement d'hydrocarbures dans le courant d'amine alcaline entrant dans le stripper.

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