abstract
Membrane technology has been used in Florida, Texas and California for the production of
drinking water from groundwater sources. Current drinking water regulations and the proposed Long
Term 2 Enhanced Surface Water Treatment Rule may drive many utilities, which currently use only
conventional treatment technology to treatsurface water, to switch to membranes—or add a membrane
process to treatment. Blending of membrane treated water with conventionally treated water may be
necessary to meet the water quality objectives. Many factors, like stricter drinking water quality
standards, population movements to arid areas, or increased knowledge of pollutants may contribute to the need to utilize membranes in lieu of conventional treatment technologies. Because many pollutants may not be removed by conventional treatment, membrane technology may be the best solution for meeting future regulatory requirements. Membranes can play a part in meeting increasing demands for clean drinking water through, desalination ofsalt waters, increased use ofsurface water and reclamation of wastewater. This paper provides an understanding of membrane types used in drinking water, their application and pollutants removed by membranes.
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