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Monthly Archives: June 2020

Membrane system feed flush

FLUSHING RO SYSTEM During flush, pump is off. Feed water is around 60 psi, permeate divert solenoid valve is closed, but diverted permeate pressure that is around 30 psi (less than inlet pressure) cannot enter in feed flush because inlet water pressure is too high. So permeate in note recycled. During production, when diverted permeate ... Read More »

Membrane system -simulation 3-4040

Case-specific: Membranes LE-4040 5000 GPD With recycle and 75% recovery   Feed Flow to Stage 1 7.63 gpm Raw Water Flow to System 4.63 gpm Feed Pressure 105.55 psig Flow Factor 0.85 Chem. Dose (100% H2SO4) 0.00 Total Active Area 282.00 ft² Water Classification: Well Water SDI < 3 Pass 1 Permeate Flow 3.47 gpm ... Read More »

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