| Customization: | Available |
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| Certification: | ISO9001, CE |
| Salt Rejection Rate: | 99.5% |
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Advantages of EDI compared with traditional mixed bed
The advantages of continuous desalting by electrodialysis and deep desalting by ion exchange are retained;
Compared with ordinary ion exchange resin column, the amount of ion exchange resin is less, saving more than 95% of resin;
Ion exchange resin does not need acid and alkali chemical regeneration, saving a lot of acid and alkali and cleaning water, greatly reducing labor intensity;
No waste acid waste lye discharge, is clean production technology, green environmental protection products;
The process is easy to realize automatic control, EDI and reverse osmosis (RO), UF and other water treatment technology combined, can form a perfect high pure water production line;
Small footprint, and do not need to be like ion-exchange beds, a set of in-use, a set of regeneration of the repeated Settings.
RO & EDI
RO(Reverse Osmosis), the basic working principle is : using of a special high pressure pump, increasing pressure to raw water, then force raw water penetrating through reverse osmosis membrane under the pressure. Only water molecules and solvent less than microns
can pass through the RO membrane.
EDI (Electrodeionization) is a revolutionary water treatment technology ,it is a membrane separation desalination technology that skillfully combined the electrodialysis technology and ion exchange technology together ,which is high-tech , green and environmental protection technology. EDI plant has very high requests to raw water, usually we use double stage RO system production water as its raw water.
Product Technical Parameters of EDI Water Treatment Plant
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EDI System |
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Model |
JFEDI-500LPH |
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Host Size |
can be customized |
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Operating Pressure |
0.1-0.3MPa |
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Recovery Rate |
95% |
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Rack Material |
SUS304/Carbon Steel (Optional) |
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Pipe Material |
U-PVC/ C-PVC/Stainless steel (Optional) |
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EDI Brand |
Ionpure/Canpure/GE (Optional) |
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Raw Water Pump |
CNP/NYP/ (Optional) |
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Tank Material |
SS/FRP(Optional) |
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Outlet Flow |
500L/h |
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Power Supply |
220V /380V/460V - 50Hz/60Hz,220V 50Hz can be customized |
Process characteristics of EDI Water Treatment Plant
EDI process using an ion selective membrane and ion exchange resin under dc voltage is sandwiched between two electrodes, between between the poles of dc electric field from the RO water processed by the removal of ions, EDI process system instead of the traditional hybrid resin bed to make deionized water, with ion exchange mixed bed big difference is that EDI can continuous to ion process, High degree of automation, and does not need acid and alkali regeneration.
Application of EDI Water Treatment Plant
Electronic chip high pure water;
Power high pressure boiler supply water;
Chemical, metallurgy, electroplating and other industries pure water, high pure water;
Biotechnology, pharmaceutical industry, medical devices, experimental technology ---- pure water, high pure water.
Workflow Chart of EDI Water Treatment Plant
Composition of RO Water Treatment System
Reverse osmosis purified water treatment system generally includes pretreatment system, reverse osmosis device, post-treatment system, cleaning system and electrical control system.
1, the pretreatment system generally includes the original water pump, dosing device, quartz sand filter, activated carbon filter, precision filter, etc. Its main function is to reduce the pollution index of raw water and other impurities such as residual chlorine to meet the requirements of reverse osmosis inlet water.
2. Reverse osmosis device mainly consists of multistage high pressure pump, reverse osmosis membrane element, membrane shell (pressure vessel), bracket and so on. Its main function is to remove impurities in water, so that the water meets the requirements of use.
3. Post-treatment system is an additional configuration in the case that reverse osmosis cannot meet the requirements of outlet water. Mainly including negative bed, positive bed, mixed bed, sterilization, ultrafiltration and other one or more of the equipment.
4, cleaning system is mainly composed of cleaning water tank, cleaning water pump, precision filter. When the reverse osmosis system is polluted and the effluent index cannot meet the requirements, it is necessary to clean the reverse osmosis system to restore its efficacy.
5. Electrical control system is used to control the normal operation of the whole reverse osmosis system. Including instrument panel, control panel, all kinds of electrical protection, electrical control cabinet, etc.
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