Simple Removal and Recovery of Irrigation Drainage Salts

by George E. Wilson, EUTEK SYSTEMS, Carmichael, CA, USA,

Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution


This paper reports on preliminary tests of an alternative for simple removal and recovery of irrigation drainage salt. Using a novel system for evaporating waters from capillary surfaces, salts are concentrated and crystallized away from the water body. Stored water does not experience the salt concentrating effect of final impoundments. Thus, storage facilities would not require lining and other measures to prevent infiltration. Evaporation rates from the capillary surfaces have been measured as more than twice those of plain water surfaces. The cost per ton of totally recovered salt is estimated to be less than that required to obtain a concentrated brine using conventional desalination technology.

Subject Headings: Irrigation | Drainage | Salts | Salt water | Evaporation | Water storage | Storage facilities | Surface water

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