efficient edi electric desalination device nigeria

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  • EDI • Pure Water Group

    Pure Water Group EDI solutions. For more than 20 years, Pure Water Group has worked with EDI – designing, constructing and supplying EDI systems to extract the very best from this technology. Our EDI systems can achieve up to 99,9 percent salt removal, reduce the levels of individual ionic species to parts-per-billion or even parts-per ...

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  • 2 Stage RO system with EDI Water Treatment Machine

    Shine Dew Machinery Stage RO EDI Water Treatment Machine. 5000L/Hour RO+EDI water treatment system. booster pump. CDL16-3. 2. back washing pump. CDL65-20. 1. Mechanical filter.

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  • Efficient desalination system is solar-driven

    2021-5-10u2002·u2002The desalination device includes a wicking material, a thermal insulator and a paper-based solar absorber. Source: Chao Chang/Dalian Maritime University. The solar desalination system demonstrated a high evaporation rate of 1.33 kg/m-2/hour under 1 sun illumination (1 kW/m2).

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  • An innovative compound bed of EDI device with

    2021-4-27u2002·u2002Electrodeionization (EDI) combines the ion exchange resins (IER) and ion exchange membrane (IEM) to produce hydrogen ions (H +) and hydroxide ions (OH −) in the water dissociation reaction under the action of a direct current electric field.The continuous regeneration of IER is implemented by electrochemical method without chemical regeneration (Arar et al. 2014).

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  • Electrodeionization (EDI) - Lenntech

    EDI is a process which combines semi-impermeable membrane technology with ion-exchange media to provide a high efficiency demineralization process. Electro dialysis employ electrical current and specially-prepared membranes which are semi permeable to ions based on their charge, electrical current, and ability to reduce the ions based to their ...

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  • Patents - Desalination EDI - Lenntech

    Electrodeionization apparatus comprising sub-desalination chambers. Two sub-desalination chambers d.sub.1 and d.sub.2 are defined by a cation exchange membrane 3 on one side, an anion exchange membrane 4 on the other side, and an intermediate ion exchange membrane 5 in between and are filled with ion exchange materials 8 to construct a desalination chamber D. Concentrating chambers 1 are ...

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  • Development of a Resin Wafer Electrodeionization

    2019-9-20u2002·u2002Development of a Resin Wafer Electrodeionization Process for Impaired Water Desalination with High Energy Efficiency and Productivity Shu-Yuan Pan,†,‡ Seth W. Snyder,† Hwong-Wen Ma,§ Yupo J. Lin,*,† and Pen-Chi Chiang*,‡,§ †Energy Systems Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States ‡Carbon Cycle Research Center, National ...

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  • Membrane Capacitive Deionization (CapDI

    membranes and improve the electrical conductivity. (C)EDI is a polishing step and is often used in combination with a RO system; this method can provide very pure water. Ions are transported through the membrane and water molecules stay behind. Process is enhanced with …

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  • INTRODUCTION TO DESALINATION TECHNOLOGIES

    2010-3-29u2002·u2002Introduction to Desalination Technologies Hari J. Krishna1 Definition and brief history Desalination can be defined as any process that removes salts from water. Desalination processes may be used in municipal, industrial, or commercial applications. With improvements in

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  • MEMBRANE TECHNOLOGIES

    2021-10-3u2002·u2002EDI is the latest technology where electrodeionization is used for final water purification to reach conductivity < 1 μS/cm. Initial module has 0.2-4.5 m3/h capacity, and by combination of modules EDI can reach specified flow rate.

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