Extraction process

Details Extraction process Extraction process

B - Operations, Transporting

01

D

260/496.4, 260/5

B01D 11/04 (2006.01)

Patent

CA 1120054

ABSTRACT OF THE DISCLOSURE A process for extracting non-surface active material from a water/sulphated or sulphonated organic matter-non-surface active material feedstock comprising extracting the feedstock with, as sole solvent, a C4 to C10 ketone, at a temperature of below 60°C, or a C1 to C6 alkyl acetate to form a ketone or acetate/non-surface active material extract and a ketone or acetate/water/sulphated or sulphonated organic matter raffinate and optionally separating the ketone or acetate from the raffinate. This process provides a method of separating such a feedstock by use of a single solvent in contrast to the known procedures which require at least two solvents.

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