Heteric/block polyoxyalkylene compounds as crude oil demulsifier

Details Heteric/block polyoxyalkylene compounds as crude oil demulsifier Heteric/block polyoxyalkylene compounds as crude oil demulsifier

1978-05-26

1980-01-15

Shine, W. J.

Compositions

Preservative agents

Anti-corrosion

252 52A, 568608, 568624, 568625, 568617, C10M 120, B01D 1704, C07C 4300, C07C 4304

Patent

active

041838211

ABSTRACT:
There are disclosed polyoxyalkylene compound demulsifying agents derived from tetrahydrofuran and C.sub.2 -C.sub.4 vicinal alkylene oxides which are heteric/block copolymers; a process for the preparation of said polyoxyalkylene compounds; a demulsified petroleum crude oil; and a batch or continuous process for the demulsification of crude petroleum oil.

REFERENCES:
patent: 2991269 (1961-07-01), Nozaki
patent: 3194772 (1965-07-01), Trotz
patent: 3425999 (1969-02-01), Axeirood et al.
patent: 3557017 (1971-01-01), Mange et al.
patent: 3577559 (1971-05-01), Horsley
patent: 3644567 (1972-02-01), Smith et al.
patent: 3816279 (1974-06-01), Schlesinger
patent: 4038296 (1977-07-01), Grelf et al.
Kuwamura et al., J. of the American Oil Chemists Society 48, pp. 29-34 (1971).

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