Method for washing a tank and for recovering and treating residu

Details Method for washing a tank and for recovering and treating residu Method for washing a tank and for recovering and treating residu

1993-09-24

1995-06-06

Lieberman, Paul

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 8, 134 10, 134 21, 134 2218, 134 40, B08B 908, B08B 704

Patent

active

054219035

ABSTRACT:
A system for washing a tank and recovering and treating residual tank liquid comprises a first system unit equipped with a suction device for sucking and discharging residual tank liquid, a second system unit equipped with an oil-water separator for separating oil from the discharged residual liquid, a device for treating the separated oil and a pump for supplying a washing liquid into the tank, a third system unit equipped with an inert gas generator, and first, second and third conveyance vehicle for conveying the first, second and third system units to the tank to be treated. The invention also provides a method of operating the system.

REFERENCES:
patent: 4426233 (1984-01-01), Manabe et al.
patent: 4770711 (1988-09-01), Deal, III et al.
patent: 4945933 (1990-08-01), Krajicek et al.
patent: 5037486 (1991-08-01), Sloan

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