Dispersant compositions for treating oil slicks

Details Dispersant compositions for treating oil slicks Dispersant compositions for treating oil slicks

1989-05-15

1991-09-24

Hruskoci, Peter

Liquid purification or separation

Processes

Chemical treatment

210925, 252312, 252354, B01D 1705, B01F 1710

Patent

active

050511920

ABSTRACT:
Compositions for dispersing oil slicks on water are disclosed comprising a solution of surface-active agents in a mixture of viscosity modifier, water, and hydrocarbon solvent. The surface-active agents are a mixture of emulsifying agents and a lower amount of wetting agent. The mixture of emulsifying agents comprising two blends, A and B, of sorbitan derivatives, blend A having an HLB of about 8.5 to 9.5 and blend B having an HLB of about 8 to 10 wherein the weight ratio of blend A to blend B is between about 0.5:1 and 4:1.

REFERENCES:
patent: 3793218 (1974-02-01), Canevari
patent: 4110213 (1989-08-01), Tennant et al.
patent: 4224152 (1980-09-01), Lepain
patent: 4469603 (1984-09-01), Lepain et al.
patent: 4502962 (1985-03-01), Becker et al.
patent: 4830759 (1989-05-01), Chartier

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