The liquid-waste which includes the device null volatile organicity chemical compound which it separates treats

摘要

PROBLEM TO BE SOLVED: To separate volatile organic compounds like trichloroethylene or tetrachloroethylene, etc., from the waste water, such as underground water or industrial waste water, containing the volatile organic compounds by a small- sized and high the thermal-efficiency equipment when the waste water contains the volatile organic compound described above. ;SOLUTION: The waste water to be treated which contains the volatile organic compounds, is boiled and evaporated in an evaporation vessel 1 and the stream thereof is sucked by suction compressing means 3 so as to decompress the inside of the evaporation vessel down to atmospheric pressure or below and is then condensed by a condenser 6. On the other hand, the waste water to be treated is passed as the cooling water for steam condensation in the condenser 6 and is then supplied to the evaporation vessel 1.;COPYRIGHT: (C)2003,JPO