Ethane recovery process

Details Ethane recovery process Ethane recovery process

C - Chemistry, Metallurgy

07

C

C07C 9/06 (2006.01) C07C 7/04 (2006.01) C10G 5/06 (2006.01) F25J 3/02 (2006.01)

Patent

CA 2252342

An improved ethane recovery system and process which increases the recovery of ethane up to about 99% with no increase in plant residue compression horsepower. The improved ethane recovery process employs an additional fractionation column which receives two vapor streams in different regions thereof which allows the fractionation column to produce the top reflux to the demethanizer column.

Système et méthode améliorés pour la récupération d'éthane, permettant d'augmenter jusqu'à 99 % le taux de récupération d'éthane sans augmenter la puissance de compression du gaz résiduaire de l'usine. Le procédé amélioré de récupération d'éthane utilise une colonne de fractionnement additionnelle, qui reçoit deux flux de vapeur dans différentes régions de la colonne, ce qui permet à la colonne de fractionnement de produire le reflux supérieur vers la colonne du déméthaniseur.

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