Demulsification process

Details Demulsification process Demulsification process

1978-10-30

1980-08-05

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

560198, 252340, B01D 1704

Patent

active

042161142

ABSTRACT:
Demulsification of a water-in-oil, especially a water-in-crude oil, emulsion is effected by contacting it with a polyester obtained by condensation of a C.sub.9-18 alk(en)yl succinic anhydride, a water-soluble polyalkylene glycol of mol. wt. less than 500, and a polyhydric alcohol having three or more OH groups.

REFERENCES:
patent: 2562878 (1951-08-01), Blair, Jr.
patent: 2993773 (1961-07-01), Stromberg
patent: 3045042 (1962-07-01), Staker
patent: 3057890 (1962-10-01), DeGroote
patent: 3117091 (1964-01-01), Staker
patent: 3255108 (1966-06-01), Wiese
patent: 4031118 (1977-06-01), Miller

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