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AWWA MTC50312
- Evaluating Ultra-Low-Pressure Reverse Osmosis for Surface Water Desalination
- Conference Proceeding by American Water Works Association, 01/01/1999
- Publisher: AWWA
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Metropolitan Water District of Southern California (Metropolitan), in conjunction with its partners, initiated the Desalination Research and Innovation Partnership (DRIP) program to develop and evaluate new and innovative technologies to substantially reduce the cost of desalinating Colorado River water (CRW) and other sources. The DRIP program will investigate four pretreatment techniques to be used prior to reverse osmosis (RO): conventional treatment (coagulation, flocculation, sedimentation, multi-media filtration); conventional treatment with ozone disinfection and biologically active filters; microfiltration; and ultrafiltration. The ultra-low-pressure RO membranes under evaluation operate at substantially lower pressure than current low-pressure membranes. This paper presents Metropolitan's initial experience using a pilot-scale conventional treatment plant as pretreatment for ultra-low-pressure RO for CRW desalination. Includes 18 references, tables, figures.
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