Water and Wastewater.com Help Forums - Pressure drop across ultrafiltration membrane

Diver45

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Pressure drop across ultrafiltration membrane
May 01^st, 2012, 3:07am

I'm currently an intern and have been asked to put together a design for a drinking water purification system to process 280 m³/day. However, I'm struggling with finding any literature about pressure drops across ultrafiltration and microfiltration membranes. Although that will depend upon numerous factorst, I was wondering whether anyone could give a rough figure to work with so that I could size up pumps. Also, is there anywhere to find rough costs for UF and MF systems? Many thanks.

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grrun God Member Offline WaterandWastewa ter.Com is the best! Posts: 3526 Pekin, IL Gender: Company or Organization: Freelance Environmental Engine	Re: Pressure drop across ultrafiltration membrane Reply #1 - May 1^st, 2012, 6:14pm Have you tried contacting the membrane suppliers such as Koch, GE, or Siemens? It seems to me that I recall that UFs, have low transmembrane pressures ( 30 psi or less). grrun
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danpasulka

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Re: Pressure drop across ultrafiltration membrane
Reply #2 - May 2^nd, 2012, 5:56am

Diver45 wrote on May 1^st, 2012, 3:07am:

I'm currently an intern and have been asked to put together a design for a drinking water purification system to process 280 m³/day. However, I'm struggling with finding any literature about pressure drops across ultrafiltration and microfiltration membranes. Although that will depend upon numerous factorst, I was wondering whether anyone could give a rough figure to work with so that I could size up pumps. Also, is there anywhere to find rough costs for UF and MF systems? Many thanks.

280m3*2200lbs/m3 *1/8 gal/lb= 77000 gpd

We can help with filters housings and membranes at bigmembrane.com

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