Composition and method for removing water and aqueous leak trace

Details Composition and method for removing water and aqueous leak trace Composition and method for removing water and aqueous leak trace

1979-08-15

1981-01-06

Edmundson, F. C.

Compositions

Humidostatic, water removive, bindive, or emissive

73 405R, 73 407, 141 1, C09K 332, B85B 104, G01M 304

Patent

active

042435471

ABSTRACT:
Combination of a nonionic oxyalkylated alcohol surfactant and an engine fuel, e.g. a 50--50 mixture, by volume, of such surfactant and an aircraft engine fuel such as JP-4 jet fuel, consisting essentially of a mixture of gasoline and kerosene, which is miscible both with water-based and oil-based liquids, for removing water or water-based leak tracer solution entrapped in a fuel tank system, e.g. of an aircraft. When employing, for example, an aqueous leak tracer solution introduced into a fuel tank, e.g. of an aircraft, for locating any leaks therein, after inspection and removal of the main body of leak tracer solution from the tank, in order to remove any residual leak tracer solution which remains entrapped in the tank, the invention composition, hereinafter termed a "depuddling agent", is introduced and blends with the residual leak tracer solution, and the resulting miscible mixture is drained from the system. Any remaining portions of such mixture are miscible with the subsequently introduced oil or petroleum-based fuel, and the resulting mixture also can be drained from the system or burned out by the aircraft engines during test runs.

REFERENCES:
patent: 3975634 (1976-08-01), Molina
patent: 3989949 (1976-11-01), Molina
patent: 4035641 (1977-07-01), Molina
patent: 4186304 (1980-01-01), Molina
patent: 4191655 (1980-04-01), Quinn et al.

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