EDI is a new desalination process that combines electrodialysis and ion exchange. This process takes the advantages of electrodialysis and ion exchange to make up for the shortcomings of the other, that is, the use of ion exchange energy to deep desalination to overcome electrodialysis Polarization and incomplete desalination, and the use of electrodialysis polarization to produce H+ and OH- ions to generate H+ and OH- ions to achieve self-regeneration of resin to overcome the defects of regeneration through chemical agents after resin failure, so EDI technology is a perfect desalination process .
EDI (Electro Deionization) Inlet Water Requirements
| Item | technical requirements |
| Water supply | RO produces water, conductivity ≤20μs/cm (recommended <10μs/cm) |
| PH value | 6.0~9.0(recommended7.0~9.0) |
| Water temperature | 5~35℃ |
| Hardness (calculated as CaCO3) | <0.5ppm |
| Organic matter | <0.5ppm |
| Oxide | ≤0.05ppm(Cl2),0.02ppm(O3), |
| Fe,Mn | ≤0.0１ppm |
| Silica | <0.5ppm |
| Carbon dioxide | <5ppm |
| Oil and grease | can not be detected |
EDI technical characteristics
★ Continuous production, high water resistivity ≥15MΩ.cm
★ Water production rate can be as high as 95%
★ Stable water quality. No need for acid-base regeneration
★ No sewage is produced.
★ The system has a high degree of automation, simple operation and low labor intensity.
Company Information
Foshan Hongjun Water Treatment Equipment Co.,Ltd - Water Treatment Professor
Foshan Hongjun Water Treatment Equipment Co.,Ltd is a professional water treatment equipment manufacturer with more than 15 years experience, specializing in water treatment design, manufacture, installation, technologu development and also sales support in this lin.
Our philosophy is "Usig the most advanced technology, provide the highest quality enginering and the best service at most reasonale price".
We look forward to cooperating with you.
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