EDI (Electrodeionization) Chinese called electrodeionization technology, is a combination of two mature deionization technology - electrodialysis deionization technology and ion mixed bed deionization technology of a new mature water treatment technology.
The EDI electrodeionization technology is uniquely designed to pass incoming water through a fresh water chamber filled with a regeneratable resin so that impurity ions in the water are adsorbed by the resin, resulting in purified water. And the resin is regenerated without contamination under the action of DC electric field cracking water, so it remains active. And the released impurity ions will move directionally under the action of DC electric field and enter into the concentrated water chamber through ion selective membrane to be taken away by concentrated water.
Such a purification process continues: purification->regeneration->purification..., to achieve the purpose of continuous production of high purity water.
1. high quality of produced water, high stability of produced water.
2. Continuous uninterrupted water production, no downtime due to regeneration.
3. modularized production, and can realize full-automatic control.
4. no acid and alkali regeneration, no sewage discharge. 5. no acid and alkali regeneration equipment and no sewage discharge.
5. no acid and alkali regeneration equipment and chemical storage and transportation.
6. compact structure of equipment, small footprint.
7. low operation and maintenance cost.
8. simple operation, low labor intensity.
1. Equipment water intake requirements:
Reverse osmosis RO produced water with conductivity less than 20μs/cm.
pH value: 7.5-9
Temperature: 15℃--35℃
Inlet pressure (DIN): 0.15-0.4MPa
Inlet water hardness: <1.0ppm (in terms of CaCO) (recommended 0 5ppm or less)
Inlet water organic matter: TOC <0.5ppm
Silicon in water: SiO2＜0.5ppm
Inlet water total CO2: <3ppm
Inlet water granularity: <1μm
2. Technical parameters:
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