Method for cleaning an oil-coated substrate

Details Method for cleaning an oil-coated substrate Method for cleaning an oil-coated substrate

1994-03-17

1997-06-03

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Oils, grease, tar, or wax removal, by dissolving

134 26, B08B 304, B08B 308, C23G 502, C23G 506

Patent

active

056349840

ABSTRACT:
A method for cleaning oil-contaminated substrates employing a composition composed of a diluent oil, a first surfactant having a HLB value of at least 10, and a second surfactant having a higher HLB value. The difference in the HLB values of the first and second surfactants is at least 3 and a mixture of the surfactants would have a HLB value of at least 11.

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patent: 5264045 (1993-11-01), Zofchak
Alfa-Laval Cuttings Wash System. No Date.
The Alfa-Laval System for Cuttings Wash, ALFA-Laval Oil Field Limited, England, U.K. No Date.
SWACO Geolograph Cuttings Cleaning Package, VS/0171. No Date.
Drilling Mud, Cuttings & Waste Pit Processing for Environmental Benefit & Reduced Costs, Thomas Broadent & Sons Limited, England. No Date.
Van Kampen, Marine Pollution Bulletin, 2(9):140-142 (Sep. 1971).
PCT International Search Report for PCT/US94/08729.

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