Energy Recovery Case Studies For Brackish Water Membrane Treatment Systems

The use of inter-stage boost on brackish reverse osmosis (RO) membrane treatment systems is not only a green approach to reducing operating costs and saving money, but can restore and even increase treatment capacity utilizing existing equipment. This paper discusses implementation of energy saving devices to provide practical solutions to increasing recovery and capacity while decreasing operating costs of existing RO systems. With ever increasing demands on alternative water supplies using brackish groundwater, increases in water quality are becoming apparently common and affecting treatment capacities as well as operating costs. Several case studies are presented which also provide the cost-benefit of implementing inter-stage boost utilizing energy recovery devices.

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