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EDI (Electrodeionization) is a kind of pure water manufacturing apparatus that applies to ion exchange technology,ion exchange membrane technology and ion electric migration technology.
It is wisely combined electro dialysis with ion exchange technology,by using of high-voltage electrodes at both ends to drive charged ion in the water to move,and with the ion exchange resin and selective resin membrane to accelerate ions moving,so as to achieve the purpose of water purification.
EDI has the features of easy operation and excellent environmental protection.It is a green revolution in high pure water producing.
Above a EDI module structure for your reference:the module is membrane-resin-membrane-resin-membrane-resin...and use 2 pressure plateplate pinch tightly tight it.

1. Resource: RO water, conductivity <20μ s/cm, better <10μ s/cm
2. PH: 6.5-9.0
3. Water temperature: 5-35℃
4. Hardness(as CaCO3): <0.5ppm
5. Organics: <0.5ppm, TOC recommended to be 0 ppm
6. Oxidizers: <0.05ppm, Cl2: 0.05ppm; O3: 0.02ppm, better both to be 0 ppm
7. Metals: <0.01ppm
8. Silica: <0.5ppm
9. Carbon dioxide: <5ppm
10. Oil: not detectable
(The most important thing for EDI is the feed water requirement. If the feed water is dirty, the EDI module will block soon. It must be the RO water!)


Model | Water Yield | Effluent Quality |
EDI-50L | 50L | ≥15MΩ•cm |
EDI-100L | 100L | ≥15MΩ•cm |
EDI-200L | 200L | ≥15MΩ•cm |
EDI-250L | 250L | ≥15MΩ•cm |
EDI-0.5 | 500L | ≥15MΩ•cm |
EDI-1.0 | 1000L | ≥15MΩ•cm |
EDI-2.0 | 2000L | ≥15MΩ•cm |
EDI-3.0 | 3000L | ≥15MΩ•cm |
EDI-4.0 | 4000L | ≥15MΩ•cm |
EDI-0.5 | 5000L | ≥15MΩ•cm |




1. Q: Can I get your products with our logo and design?
A: Customized service is available. We provide OEM or ODM by customer's logo.
2. Q: What about delivery time?
A: If there're stocks of related items you need, we'll send goods to you in 3 working days after 100% deposit. For container order, the lead time will be 3 weeks normally.
3. Q: Do you accept sample order?
A: Yes,we can make your customized sample before mass order placed.
4 Q: What's the MOQ ?
A: We can offer the quantity you required, as we don't dictate MOQ terms.
5. Q: How about the shipping?
A: (1) If the order is small, door to door service is the best choice via DHL, UPS, Fedex, EMS, TNT.
(2) If you have forwarder in China, we can send the goods to specified warehouse.
(3) For big quantity, you can choose the ocean shipping, we can also provide the effective forwarder for your reference.
6. Q: Why choosinng us?
A: We're providing the one-station shopping service for water filter spare parts and ro water system. And we have our own factory manufacture the water filters and membrane housing(FRP/SUS), also we have our membrane include the homeuse and industrial, with decades year of export, which can make sure the quantity and quality and after-sale service.
7. Q: How to contact with you?
A: Please kindly send me email so that we can send our company catalogue for your reference. Also you can add my whatsapp: 0086-15875337162 or wechat: gardenia524262575 or qq: 524262575 for directly contact.
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