The Maritime Alliance Symposium on Desalination LFNano™ Membrane System January 28, 2011.

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Presentation transcript:

The Maritime Alliance Symposium on Desalination LFNano™ Membrane System January 28, 2011

Who is DXV Slide 1 40 years of running water treatment Saigon Long Beach Anaheim

Alter contaminants or remove them Slide 2 Physical removal can be expensive Chemical Biological Physical

Like your house’s air filter… Slide 3 …water treatment membranes clog up

Washable filters save money at home… Slide 4 …but require a little more work

Cleaning frequency … Slide 5 … fewer is better 1 to 2 times per year

Water treatment membranes get washed Slide 6 …10,000 to 25,000 times per year “Membrane Fouling”

Low Fouling Nanofiltration Slide 7  Unique element configuration  Commercially available flat sheet NF  Feed water circulation  Online fouling avoidance system  Unique element configuration  Commercially available flat sheet NF  Feed water circulation  Online fouling avoidance system No Chemicals

LFNano™ Pilot Tests Slide 8 Second generation pilots currently operating

LFNano™ Pilot Test – WWTP Effluent Slide 9 10 minutes8 months TraditionalLFNano™ Time to 5 PSI Pressure Drop

Significance? Slide 10  Low cost physical barrier  New membrane economics  Modular/scalable  Direct membrane treatment of wastewater  Low cost physical barrier  New membrane economics  Modular/scalable  Direct membrane treatment of wastewater

Applications Slide 11  Water reclamation  RO pretreatment  Drinking water  Wastewater treatment

Fouling Limits Membrane Adoption Slide 12 ‘The next great water technology will be the one that finds a solution to membrane fouling.’ -- Christopher Gasson Editor, Global Water Intelligence October 2010

Contact: Michael Motherway (714) Questions?