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SALHERModel PUR-CEDI -Compact Drinking Water Treatment Plants by Demineralization / Electrodeionization

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Halfway between purification and reuse, Salher designs the polishing treatments to obtain ultrapure water. Thus, we find the compact drinking water treatment plants by demineralization / electrodeionization, reference PUR-EDI, with which an excellent quality treated water is obtained, and the compact purification plants by continuous electrodeionization, reference PUR-CEDI.

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  • State-of-the-art technology for high quality water production.
  • Demineralization system which does not require regenerators such as acid and soda (standard for traditional ion exchange equipment) due to its operating cycle.
  • Treatment for a water with less than 0,1 μs/cm conductivity in osmosis water. Maximum residual silica concentration < 1 g/l.
  • Characteristics of the inlet water:
    * Osmotized or desmineralized water.
    * Turbidity < 0,1 NTU.
    * Hardness < 0,1 CaCO3.
    * SDI < 1.
  • Compact structure, SALHER brand, to be placed on tank with electrical and hydraulic interconnection of the elements.
  • Electrodeionization module by a combination of:
    * Electricity.
    * Selective membranes (cation exchange and anion exchange).
    * Resins of ion exchange.
    * Microfiltration of 1 micron.
    * Feeding system to demineralization treatment composed of centrifugal pumps with regulation systems, flow control, level regulators, etc.
    * Conductivity meter for control of permeate.
    * Panel board for control and command of the plant.
    * Set of accessories composed of interconnection pipes between elements of equipment, conductivity meters, valves, sampling, regulation and control systems, etc.
  • Treated water storage tank.
  • Recirculation system.