FIELD: sewage treatment by dewatering sewage with no contact with atmosphere up to possible burning and subsequent combustion of brine. SUBSTANCE: device for sewage treatment has series of evaporators connected by brine and parallel by condensate. Device supply pipe has recuperative heat exchanger and additional heat exchanger located in brine combustion furnace. Desalted liquid is heated by condensate and flue gases prior to supply to series of evaporators. EFFECT: higher efficiency. 1 dwg
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