System for washing a tank and recovering and treating residual tank liquid

摘要

A system for washing a tank and recovering and treating residual tank liquid includes 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 supply source for supplying a washing liquid into the tank, a third system unit equipped with an inert gas generator, and first, second and third conveyance mechanism for conveying the first, second and third system units to the tank to be treated.