METHOD FOR RECYCLING TREATED WATER FOR INDUSTRIAL USE COMPRISING STEP OF FEEDBACKING TREATED WATER CONTAINED IN ONE WASHING TANK TO ANOTHER WASHING TANK

摘要

PURPOSE: To provide a method for recycling water that has been used for industrial treatment, which is able to save water, significantly decrease amount of wastewater and reduce cost for treating the wastewater. CONSTITUTION: The method comprises a step of transferring a washing water contained in an inlet side of a washing tank to a washing tank at an outlet side, where the inlet side washing tank is selected from a washing tank before a treating tank or a washing tank after a treating tank and the outlet side washing tank is selected from the washing tank after the treating tank or the washing tank before the treating tank.