Method for treating and reusing wastewater having highly concentrated ions

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PURPOSE : A method for treating and reusing wastewater containing high concentrate ions is provided to obtain water with 70% or more recovery rate and 100us/cm or less electroconductivity by reducing the number of reverse osmosis membranes.CONSTITUTION : A method for treating and reusing wastewater containing high concentrate ions includes the steps of : establishing basic design factors about a wastewater ion concentration area, productivity per operation pressure condition, a concentrated degree, and a treatment efficiency in high pressure type and low pressure type reverse osmosis membranes; determining treatment steps by analyzing and evaluating a result of the establishment; and optimizing the arrangement of reverse osmosis membranes by integrating the treatment steps.COPYRIGHT KIPO 2013