B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/14 (2006.01)
Patent
CA 2681245
The present invention relates to a process for enriching a gaseous effluent with acid compounds that comprises the following steps: a feed gas and a mixture of at least two liquid phases that are immiscible with each other, including one aqueous phase, are fed into a contacter R1, wherein the feed gas contains at least some acid compounds; predetermined pressure and temperature conditions for the formation of hydrates consisting of water and the acid compounds are established in said contacter; the hydrates are transported in a dispersion in the phase that is immiscible with the aqueous phase by pumping P1 to a flask R2 for dissociation of the hydrates; conditions for dissociation of the hydrates are established in the flask; and the gas generated by the dissociation, which is enriched with acid compounds compared to the feed gas, is discharged.
La présente invention concerne un procédé d'enrichissement en composés acides d'un effluent gazeux qui comporte les étapes suivantes: on introduit dans un contacteur R1 un gaz de charge et un mélange d'au moins deux phases liquides non miscibles entre elles, dont une phase aqueuse, le gaz de charge contenant au moins des composés acides; on établit dans ledit contacteur des conditions de pression et de température déterminées pour la formation d'hydrates composées d'eau et des composés acides; on transporte les hydrates en dispersion dans la phase non miscible dans la phase aqueuse par pompage P1 vers un ballon de dissociation R2 des hydrates; on établit dans le ballon les conditions de dissociation des hydrates; on évacue le gaz issu de la dissociation enrichi en composés acides par rapport au gaz de charge.
Bouillon Pierre-Antoine
Huyghe Raphael
Pasquier David
Sinquin Anne
Ifp
Robic
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