Dear Mr. Ali, If your water ...
Published by Nikolay Voutchkov, Water Globe Consulting, LLC - President
Dear Mr. Ali, If your water contains high organic levels - i.e., total organic carbon (TOC) concentration higher than 2 mg/L and it has algae in it, membrane pretreatment will not work well. The problems with membrane pretreatment are not pertinent to Dow's model of UF - membranes - if your source water TOC is higher than 2 mg/L, no membrane pretreatment system available on the market will work well. In this case, the best technology will be deep dual media gravity filter - preferably pumice and sand.
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