C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/530.6
C07C 303/44 (2006.01) B01D 11/04 (2006.01) C07C 309/04 (2006.01)
Patent
CA 2027484
CASE 3127 "PROCESS FOR EXTRACTING AN APOLAR SUBSTANCE FROM A LIQUID PHASE BY MEANS OF A SUPERCRITIC GAS IN AN EXTRACTOR EQUIPPED WITH PERFORATED TRAYS" Abstract The extraction of apolar substances from a liquid phase is carried out by using a supercritic gas which acts in countercurrent in a tower equipped with perforated trays through which the dispersed phase constituted by the supercritic gasrises and a downcomer from which the continuous phase flows downwards. The extraction process is particularly suitable for the extraction with supercritic CO2 of the unreacted paraffins at the end of the process of sulfonation of said paraffins.
Franco Cosimo
Paret Giancarlo
Enimont Augusta S.p.a.
Robic
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