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INTRODUCTION Rapid Spray Desalination (RSD) is a newly developed technology that makes effective use of waste heat generated from gas-fired electrical generating plants, wastewater treatment plants, landfills, marine engines, and other sources, for desalination or for the recovery of dissolved substances. RSD, is a recently patented process, whereby water under pressure is nebulized into a moving hot air stream. Because of the extremely high surface area of the water droplets, the water vaporizes instantly and efficiently. By careful control of the system, salt that remains behind is concentrated into a brine for material handling purposes.
RESULTS In the demonstration trial using real wastewater from a power plant evaporation pond, a single pass though the RSD bench unit dropped the total dissolved solid concentration from 130,000 milligrams per liter to 440 milligrams per liter