Multicomponent demulsifier, method of using the same and hydroca

Details Multicomponent demulsifier, method of using the same and hydroca Multicomponent demulsifier, method of using the same and hydroca

1978-01-06

1980-06-24

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

44 51, 44 62, 252358, B01D 1704

Patent

active

042094224

ABSTRACT:
A multicomponent demulsifier comprising an alkoxylated substituted-phenol-formaldehyde resin and at least two different alkoxylated polyamines or a quaternary ammonium salt and an alkoxylated polyamine. The demulsifier is useful in breaking hydrocarbon-in-water or water-in-hydrocarbon emulsions including those comprising a substituted hydrocarbon. Moreover, when the alkoxylated polyamines are used, rather than the quaternary ammonium salt, the multicomponent demulsifier retains reasonable effectiveness even after a first water phase has been separated.

REFERENCES:
patent: 2643979 (1953-06-01), Lindert
patent: 3020276 (1962-02-01), Hughes et al.
patent: 3265474 (1966-08-01), Siegel
patent: 3424565 (1969-01-01), Ptacek et al.
patent: 3454380 (1969-07-01), Dickson et al.
patent: 3528928 (1970-09-01), Rushton
patent: 3907701 (1975-09-01), Liebold et al.

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