|Specification||Product water capacity (m3/h)||Recovery rate (%)||Product water resistivity (MΩ.cm)||Voltage (DCV)||Electric current (DCA)|
Continuous electrodeionization device: It integrates electrodialysis technology and ion exchange technology scientifically, realizing the directional migration of ions in water under the action of electric field through the selective permeation of cations and anions by anodic and anionic membranes and the exchange of ions in water by ion exchange resin, so as to achieve the deep purification and desalting.
Feeding water quality requirements:
Water source: Reverse osmosis product water, conductivity 1-20μS/cm, maximum permissible conductivity < 50μ S/cm (NaCl).
PH value: 5.5-9.5 (pH between 7.0-8.0, EDI has the best water resistivity)
Temperature: 15°C -35°C (The optimum temperature of EDI is at 25°C)
Concentrated water intake pressure (CIN): Lower than DIN end pressure at 0.05-0.1 MPa (Must)
Product water pressure (DOUT): 0.05-0.25 MPa
Concentrated water outlet pressure (COUT): Lower than DOUT end pressure at 0.05-0.1 MPa (Must)
Feeding water hardness：<0.5ppm
Influent organic matter：TOC<0.5ppm
Influent oxidant: Cl2 (activity) < 0.03 ppm, O3 (ozone) < 0.02 ppm, HO (hydroxyl oxygen) < 0.02 ppm
Influent heavy metal ions: Fe, Mn, variable valence metal ions < 0.01 ppm
Influent silicon: SiO 2 < 0.5 ppm (typical range of RO product water is 50-150 ppb)
Total influent CO2：<5ppm
Influent granularity: < 1 micron