Dispersant composition

Details Dispersant composition Dispersant composition

1983-06-06

1986-07-01

Lieberman, Paul

Compositions

Preservative agents

Anti-corrosion

210925, 252312, 252356, 252357, B01F 1700

Patent

active

045978930

ABSTRACT:
A dispersant composition suitable for dispersing crude oil or petroleum products floating on the surface of water comprises a combination of a selected non-ionic surfactant and an anionic surfactant in a suitable solvent. The non-ionic surfactant is an ester of a polyalkoxylated sorbitol or sorbitan and a fatty acid. The anionic surfactant is selected from the group comprising calcium sulphonate, magnesium sulphonate, sodium sulphonate, triethanolamine sulphonate and isopropylamine sulphonate. Suitable solvents are C.sub.5 to C.sub.10 alcohols, glycols and glycol ethers. The dispersant composition is particularly suitable for use in cold, low salinity water.

REFERENCES:
patent: 3793218 (1974-02-01), Canevari
patent: 3810835 (1974-05-01), Ferm
patent: 3959134 (1976-05-01), Canevari
patent: 3998733 (1976-12-01), Blanchard et al.
patent: 4469603 (1984-09-01), Lepain et al.
Chemical Abstract, Abstract No. 81,389, vol. 79, French Pat. No. 2145417.

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