APPARATUS FOR AND METHOD OF PURIFYING WATER USING PRESSURIZED PRECISE FILTER USED AFTER PRETREATING WITH COAGULATION-INCLINED PLATE SETTLING POND AND VOID CONTROL TYPE FIBER FILTER TO IMPROVE THE RECOVERY RATE AND METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a water purifying apparatus using pressurized precise filter after pretreating with coagulation-inclined plate settling pond and a void control type fiber filter to improve the recovery rate and a method thereof.

SOLUTION: The quantity of a coagulant to be used is reduced and the recovery rate of water is improved by filtering water to be treated with the pressurized type precise filter after the pretreating with the coagulation-inclined plate settling pond to obtain treated water and treating back washing waste water of the pressurized precise filer 160 with the void control type fiber filter 210 or recovering the water without using the void control type fiber filter 210 to return it to the water to be treated.

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