METHOD FOR SCOURING IMMERSED MEMBRANES USING A OPEN BOTTOM MULTIPLE CHANNEL DELIVERY DEVICE

摘要

A method of air scouring an immersed membrane is described in this specification. The method comprising a step of adjusting one or more aeration parameters: between successive permeation, back pulse or relaxation cycles; during a permeation cycle; or, between a permeation cycle and a backpulse or relaxation cycle.