| 摘要 |
PROBLEM TO BE SOLVED: To prevent dioxins or heavy metals from being discharged to the environment even generating sewage containing dioxins or heavy metals in washing incinerators or the like. SOLUTION: The sewage disposal system has a high-pressure washing device 2 equipped with a washing nozzle 23 for jetting high-pressure water, a sewage suction means 3 for sucking sewage generated by spraying high-pressure water to a washing object from the washing nozzle 23, a sewage recovery tank 4 for storing the sewage sucked by the sewage suction means 3, and a drainage duct 5 connected to the sewage recovery tank 4. A solid/liquid separation part 52 equipped with a filter medium for removing solid particles in sewage is provided in a circulation channel of sewage formed by the sewage suction means 3, sewage recovery tank 4, and drainage duct 5. A dissolved metal removal part 53 equipped with a metal adsorption filter capable of adsorbing heavy metals dissolved in sewage is provided on the downstream. COPYRIGHT: (C)2005,JPO&NCIPI
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