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AWWA MTC61174
- A New AwwaRF/CEC Research Project: Zero Liquid Discharge for Inland Desalination
- Conference Proceeding by American Water Works Association, 03/01/2005
- Publisher: AWWA
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This paper discusses a new research project supported by AwwaRF and the California Energy Commission (CEC) called, "Zero Liquid Discharge and Volume Minimization for Inland Desalination". The objective of the project is to develop a treatment technique that reduces energy consumption and treatment costs for inland desalination with zero liquid discharge (ZLD). The technical approach involves alternating applications of reverse osmosis withprecipitation processes designed to remove the least soluble salts under conditions ofcontrolled mixing, salt seeding, chemical addition, residence time, temperature, and pH.The research methodology includes computer modeling, bench-scale testing, andpilot-scale testing. Testing will be conducted on brackish groundwater, surface water,finished water, and reclaimed water provided by the project utility partners, City ofPhoenix, Southern Nevada Water Authority (SNWA), City of Scottsdale, Beverly Hills,and San Antonio Water System (SAWS). Includes 4 references, table, figures.
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