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EDI (Electrodeionization) Module
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China Frotec Environmental Co.,Ltd
Guangzhou, China
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Technical 


Item 
EDI-P&F-0.5-HP 
EDI-P&F-1.0-HP 
EDI-P&F-2.0-HP 
EDI-P&F-3.0-HP 
EDI-P&F-4.0-HP 
Product Flow M³/H 
0.5 
1.0 
2.0 
3.0 
4.0 
Min Product Flow(M³/H) 
0.3 
0.7 
1.4 
2.4 
3.2 
Max Product Flow(M³/H) 
0.7 
1.5 
2.5 
3.8 
4.8 
Recovery (%) 
85-95 
90-95 
90-95 
90-95 
90-95 
Resistivity(MΩ•Cm) 
≥15 
≥15 
≥15 
≥15 
≥15 
Voltage (DCV) 
9-18 
15-30 
30-60 
45-90 
60-120 
Voltage (DCA) 
2-5 
2-5 
2-5 
2-5 
2-5 
Inlet Pressure (Mpa) 
0.10-0.3 
0.10-0.3 
0.15-0.4 
0.15-0.4 
0.15-0.4 
Max Pressure (Mpa) 
0.7 
0.7 
0.7 
0.7 
0.7 
Fresh Water / Water Pipe Nozzle Size 
DN25 
DN25 
DN25 
DN25 
DN25 
Fresh Water Inlet / Outlet Nozzle Size 
DN15 
DN15 
DN15 
DN15 
DN15 

Resource water , RO water conductivity less than 20 us.cm better than 10 us.cm
PH 6.0-9.0
Temperature 5-35’c
Hardness Less than 0.5ppm
Organics Max 0.5ppm, Recommend 0 ppm
Oxidizers Max 0.05ppm
FE MN Max 0.01ppm
Silica Max 0.5ppm
Carbon Dioxide max 5ppm
Oil Not Detectable

The specifics of EDI (Electrodeionization) Module 

  1. EDI (ELECTRODEIONIZATION) base one combines ED with ion exchanger, providing a cost-effective method of constantly producing high-purity water without batch regeneration or dangerous chemicals. 
  2. With its cutting-edge technology, ease of use, and benefits for the environment, it represents the direction of this industry.
  3. EDI equipment consists of an instrument, flow meter, booster pump, edi module, dc regulated power supply, and other components.
  4.  Boost pumps force purified water into the EDI system, where mixed ion exchange resin constantly removes pollutants from the water by ion exchange.
  5. In the meantime, the anode and cathode are passed in series by the electrolyte stream. 
  6. The applied current also initiates a water splitting reaction that yields hydroxyl and hydronium ions. 
  7. The ion exchange resin is constantly renewed by these ions, enabling it to keep filtering contaminants out of the feed water. 
  8. Redisplaced cations and anion from the feed water will then occasionally undergo reverse osmosis to infiltrate into the concentrate chamber. 
  9. To maintain the conductivity, a fraction of the concentration is recycled back.

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