Parameter & design criteria*

Equation* & obtained value

Maximum operating flux = 40 L/m2・h Filtration ratio = 0.968 Operating ratio = 0.988 Peaking factor = 2.75

Designflux = ( Maximumoperatingflux ) ( Filtrationratio ) ( Operatingratio ) Peakingfactor = 14 L / m 2 h

Membrane area per module = 31.6 m2/module

Numberofmodules = Dailyaverageflow ( Designflux ) ( Membraneareapermodule ) = 2826modules

Membrane area=89301.6 m2

SADm = 0.54 m3/m2・h

Filtration = 900 sec

Backwash = 30 sec

coarse bubble aeration

Q A , m = ( SAD m ) ( Membranearea ) filterationtime cycletime = 46 , 667 m 3 h

Membrane packing density=45 m2/m3

V m = A m packingdensity = 1985 m 3