OPERATION METHOD FOR FILTERING TREATMENT FACILITY

摘要

PROBLEM TO BE SOLVED: To control the change of a filtration rate per one gravity type filtering device within a prescribed range even when the amount of a raw water changes in a filtering treatment facility for raw water filtration using a gravity type filtering device.

SOLUTION: There is provided the operation method for filtering treatment facility comprising controlling the amount of the treated water 9 in a treated water tank 8 to be fed to a raw water tank 1 to control the amount of filtered water in the gravity type filtering devices 6a to 6c by properly increasing or decreasing the output of a pump 10 and/or the number of operated devices.

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