Separation and recovery of lipid material from aqueous media

Details Separation and recovery of lipid material from aqueous media Separation and recovery of lipid material from aqueous media

C - Chemistry, Metallurgy

02

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362/46

C02F 1/00 (2006.01) B01D 17/04 (2006.01) C07C 41/50 (2006.01) C07C 43/03 (2006.01) C07D 295/088 (2006.01)

Patent

CA 1076274

ABSTRACT OF THE DISCLOSURE A surface active compound comprising a lipophilic group linked to a hydrophilic oxyethylated group through an acetal linkage is deactivated by acidification in an aqueous medium containing such a surface active compound, so that rupture of such acetal linkage permits separation of said lipophilic group, possibly with lipid material associated therewith, from the aqueous medium in which the oxyethylated groups remain so in turn permitting recovery of such lipo- philic groups and any such lipid material, and effective elimination of active surface active compound from the aqueous phase.

267640

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