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What is Ultrafiltration?


  1. Membrane needs to retain large molecules or colloidal particles
  2. Smaller Molecules pass through along with the water
  3. No significant Osmotic Pressure
  4. Typical Operating Pressure 10-100 PSI

Performance of UF Systems

  1. Flow across Membrane Surface
  2. Operating Pressure
  3. Operating Temperature
  4. Recovery

UF Applications

Water Treatment

Post DI

Lab media, reagents

Concentration

Pharmaceuticals

Protein

Gelatin

Enzyme

Dewater/Recycle

Electrocoate paint

Emulsified oily water

Metallic colloids

Fractionation/Purification

Cheese whey

Sugars

Dextran

 

 
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 Determining SDI What's Nanofiltration What's Ultrafiltration Membrane Rejection Levels Temperature Correction Pressure Correction Concentrate Recycle Membrane Spectrum Membrane Design 14 Factors for RO Design Water Quality Info Reverse Osmosis Basics Problems with Chloramines and Higher pH Nitrate Removal Ion Exchange Ozone High Purity Water

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All Content on this site is  intended for informational purposes for experienced water treatment professionals only.  Applied Membranes, Inc. does not assume any liability for any damages caused by the misapplication or misinterpretation of any of the information contained on this website.
Applied Membranes, Inc. 2007