Electrodeionization - EDI Modules for Water Polishing

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HUAMO GROUP

Fujian, China

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At the moment, the most sophisticated ion-exchange technology is electro deionization. Continuous production of (ultra)pure water is possible with this technology. This advanced technology can be used in industries like pharmaceuticals, power plants, and process industries. Reverse osmosis water is typically post-treated with an EDI unit.
Electrodeionization (EDI) is a water treatment method that uses electricity, ion exchange membranes, and resin to remove ionized species from water. Electrodialysis and ion exchange technology are carefully combined to achieve the goal of purifying water: ion movement is accelerated by ion exchange resin and selective resin membranes, while charged ions in the water are driven to move by high-voltage electrodes at both ends.

Data Sheet

Item	HM-EDI-0.5	HM-EDI-1	HM-EDI-2	HM-EDI-3	HM-EDI-5
Product Flow (m³/h)	0.3-0.7	0.7-1.5	1.4-2.5	2.4-3.8	4.5-5.5
Recovery	85-95	90-95	90-95	90-95	90-95
Resistivity (MΩ•cm)	≥15	≥15	≥15	≥15	≥15
Voltage (DCV)	20-60	30-100	30-150	45-250	80-300
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
Freshwater 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