Some ways of wastewater treatment on the local plants are presented.An application of the suggested ways allows reuse of the reprocessed water to reuse and the optimization of the operating costs.Replacement of technologically used natural fresh water by the treated wastewater allows to avoid a deficiency of a water supply and to prevent an exhaustion of the fresh water.One of the ways is the building of recirculated system of the industrial water supply based on the reuse of the industrial water treated to fit the corresponding requirements of the process water quality.
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