Centralized water supply method integrating sewage reuse and sea water desalination
A sewage and sewage treatment system technology, applied in the direction of chemical instruments and methods, general water supply saving, water/sewage multi-stage treatment, etc., can solve the problems of unrealistic and high cost, achieve high reuse rate, reduce investment cost, fresh water The effect of low water cost
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[0017] figure 1 As shown, this centralized water supply method integrating sewage reuse and seawater desalination realizes the centralized treatment of sewage and the centralized supply of fresh water in Linhai Coal Chemical Industry Park by sharing the sewage treatment system, reclaimed water reuse system and seawater desalination system. The sewage treatment system is composed of A / O / O biochemical, sand filtration, ultrafiltration and nanofiltration process units; the reclaimed water reuse system is composed of lime + flocculation sedimentation, multimedia filtration, resin softening, ultrafiltration, reverse Composition of permeation and evaporative crystallization process units.
[0018] figure 1 As shown, in the specific implementation process of this centralized water supply method, the discharge of sewage in the coal chemical industry park, the water quality characteristics of each sewage discharge point, and the consumption of fresh water are firstly analyzed in detai...
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