Demulsifiers for breaking petroleum emulsions

Details Demulsifiers for breaking petroleum emulsions Demulsifiers for breaking petroleum emulsions

B - Operations, Transporting

01

F

B01F 17/56 (2006.01) B65F 1/14 (2006.01)

Patent

CA 2047921

23443-452 Abstract Demulsifiers for breaking water-in-oil petroleum emulsions comprising alkoxylated alkyl polyglycosides of the formula R-O-Zn-O-(AO)x-H wherein R denotes a linear or branched, saturated or unsaturated alkyl radical with 8 to 18 carbon atoms, Zn denotes an oligo- glycosyl radical with n=1 to 5 hexose or pentose units or mixtures thereof, AO denotes an ethylene oxide, propylene oxide or butylene oxide radical or mixtures thereof and X denotes 1 to 100. Compared with known demulsifiers having a high specificity and low environmental compatibility the demulsifiers according to the invention have a low specificity and are biodegradable.

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