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A new method has been developed for desalinising drainage flows from irrigated flows. It combines frost weathering (natural congelation) by spray ice formation (winter sprinkling) with natural evaporation of residual brine. The main advantages are: (1) low cost of water desalination; (2) no requirement for pretreatment or use of chemical agents; (3) no need for sophisticated equipment or special skills; (4) design and construction of desalination complexes suitable for existing land reclamation organisations; (5) drainage water up to 6 g/l can be reduced to less than 1.0 g/l. The technique can be used on both saline waters and polluted waters such as industrial and agricultural effluents.
agricultural wastes, brine, desalinization, drainage,drainage water, evaporation, factory effluents, flow to drains, frost,irrigation water, polluted water, reclamation, saline water, waste watertreatment, water costs, water quality, weathering, industrial effluents,water treatment, Soil Water Management (Irrigation and Drainage) (JJ800)(Revised June 2002) [formerly Soil Water Management], Water Resources(PP200), Erosion; Soil and Water Conservation (PP400), Natural ResourceEconomics (EE115) (New March 2000), Wastes (General) (XX000), Pollutionand Degradation (PP600)