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Ultrafiltration

Spiral Wound Membrane

Backflushable / Air scour

Pump suction / Submersible operation

Ultra-Low Transmembrane pressure

Low fouling & High energy efficiency

High Flux Rates / High Recoveries

Low Capital cost and low Operation Cost

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Polyethersulfone Membrane on a Special Support Fabric

Pore Size 0.05 micron

Oxidant Resistant, e.g. chlorine

Ultra Low PressureService pressure 0,07 0,7 barBackwash pressure 1.4 barSpecific flux of 60 LMH / 0.07 bar)

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Applications

Drinking Water Production from> Surface Water> Well Water

Pretreatment of> Sea Water> Brackish Water

Waste Water Treatment

> Clarification> Biological Effluent

Membrane Bio Reactor

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Process FlowAir ScourAir Scour

ConcentrateConcentrate

558 %8 %

Permeate

FeedFeed

WaterWater

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Feed

Air Scour

Immersed

membrane

Concentrate Flow

Membrane tank

BackflushBackflush Tank FillTank Fill

Process Flow

in Permeate Production

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BackflushBackflush FlowFlow

BackflushBackflush Tank FillTank Fill

Process Flow

in Backflush

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The spiral design open feed channel

efficiently directs aeration to the

membrane surface

Air and solids rising induce

crossflow of the feedwater across

the

membrane surfaceSpiraSep AirDiffuser

Process Flow

in Air Scoure

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Video

Sequences

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Dimensions: 9.3 x 40 in (24 x 102 cm)

Spacer Width: 135 mil (3.4 mm)

Membrane Area: 155 sq. ft. (14 m2)

Spiral Wound

Membrane Module

Configuration of

a Submersible Spiral

Wound Membrane Unit