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Home > Forums > Chemical Engineers > Materials > Membrane engineering Forum

Pump selection for membrane filtration

thread136-286511
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EngSanM (Bioengineer)
24 Nov 10 11:22
I need to select the right pump for my filtration systems (MF, UF and NF), but I ignore the relation between the permeate flow rate desired and the feed flow rate needed.

Also it would help to know the feed flow distribution: what percentaje of the feed goes to the permeate and which one goes to the retentate.

Thanks.
Lan123 (Civil/Environmental)
2 Jan 11 20:53
Did you find the answer to this question? The membrane manufacturer/or the pilot runs should tell you what the operating conditions should be (ex. maximum possible recovery that will prolong fouling/scaling, transmembrane pressure) and you will have to size the pump accordingly.  
biochemicaleng2006 (Bioengineer)
10 Jan 11 11:34
hi, you could using joky pump and put backfeed branch after pump  to control feeding to membrane    
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