| Customization: | Available |
|---|---|
| Certification: | ISO9001, CE |
| Application: | Industry |
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Combination RO Machinery EDI Module Water Treatment Laboratory Use
Product Descriptions of EDI Water Treatment Plant
Continuous electro-dedesalting (EDI) is a process of adsorbing anions in water supply using a mixed ion exchange resin and removing them separately through an ion exchange membrane under the action of dc voltage. This process is electrically continuous and does not require the use of acid and base pairs for regeneration. The new technology could replace conventional ion exchange devices and produce ultra-pure water of 16-18 megohm ·CM. EDI is the use of negative, cationic membrane, using the form of symmetrical stacking, in the negative, cationic membrane sandwiched between the negative, cationic resin, respectively under the action of dc voltage, negative, cation exchange. At the same time, under the action of voltage gradient, water will be electrolyzed to produce a large number of H+ and OH-, these H+ and OH- to the ionic membrane in the middle of the negative and cation constantly regenerate. EDI keeps exchange - regeneration, making the purity of water higher and higher, so it is easy to produce high purity of high purity water.
Precautions for use and cleaning of EDI equipment
Matters needing attention when EDI device is running
1. Must meet the water inlet conditions.
2. Fresh water inlet pressure > concentrated water inlet pressure 10PSI≈0.07MPa.
3. Product water outlet pressure ≥ Concentrate water discharge pressure 10PSI ≈ 0.07MPa.
4. When the EDI rectification equipment is out of service, RO (or water of the same water quality) must not pass through the equipment.
5. Reduce frequent downtime of equipment.
Equipment outage for a long time
1. If the EDI system is out of service for more than 3 days, it should be protected for a long time out of service to avoid the growth of microorganisms inside the EDI.
2. Cut off all power switches in the PLC control cabinet.
3. Allow the remaining water in the EDI piping system to drain to avoid stagnant water in between.
4. Close all system valves.
5. After restarting after a long period of shutdown, the membrane block may need to be disinfected, cleaned or regenerated.
Process characteristics:
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.
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.
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.
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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 |
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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 |
Workflow Chart of EDI Water Treatment Plant
Q: What's the type of your company? Manufacturer or trade agent?
A: We are a high-tech manufacturer engaged in water treatment industry for nearly 20 years, specializing in water treatment, water purification equipment and technology research and development, manufacturing, sales, engineering installation and consulting.
Q: What information do I need to provide when choosing a product?
A: What is your water source?
If possible, please provide water quality analysis report, so that we can recommend the most suitable product and customize the most suitable solution for your project.
B: What is your capacity requirement for the equipment?
C: What are the applications for the program?
D: What are your local plumbing standards?
E: Do you need on-site installation instructions?
Q: How do I choose products that are an exact match for my case?
A :Jufu's professional engineers will tailor your solutions according to your needs. We are a factory integrating design and production, providing you with one-stop solutions.
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