FILTRATION SYSTEM AND FILTRATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a filtration system of which a filter medium is easily back-washed. SOLUTION: The filtration system is for obtaining treated water by filtering object water and includes a filtration apparatus having a filter medium, an ejector for suctioning treated water from the filtration apparatus by generating negative pressure by operating water, and a back-washing means for backward passing the operating water to back-wash the filter medium by closing the flow channel in the discharge side of the ejector. COPYRIGHT: (C)2011,JPO&INPIT