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Electrodeionization (EDI) is an advanced water treatment technology used to produce high-purity water without chemicals, making it an essential tool for many modern industrial high standards products and scientific processes For pure water make machine, the pure water can be used for Disinfectant Acid water.
For quotation we need your project information:
* Customize capacity per hour according to your production requirement
* Input water type, The feed water is typically the permeate from a reverse osmosis (RO) system, better with 2-stages of RO System.
* Requirement for the output water standards
* Controlling process, most use PLC + Touch Screen controlled.
The EDI stack is the core component for EDI System. An EDI module is built by layering multiple "cell-pairs," which consist of
Purifying Chamber: Filled with mixed ion-exchange resins, the best quality ion-exchange resins is key factor.
Concentrate Chamber: Separated from the purifying chamber by ion-selective membranes.
Ion-Selective Membranes: These allow either cations (positive) or anions (negative) to pass through.
Several of these cell-pairs are stacked together between an anode (+) and a cathode (-) and then sealed into a module—this is the EDI stack. Different quantity models of stacks are available to meet various flow rate and purity requirement
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EDI Stack Specification |
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Item Name |
Description |
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Model No. |
HND-5000L |
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Dimension |
315X685x515mm |
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Production Flow |
5m3/Hour |
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Concentration Flow |
0.3-0.5m3/Hour |
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Electrolyte Flow |
0.06 |
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Recovery rate |
90-95% |
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Production Conductivity |
0.05-0.06μs/cm |
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Production Resistivity |
15—18MΩ .cm |
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Operating Conditions & Limits |
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Feed Water Conductivity |
10μs/cm max(double pass RO outlet) |
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Maximum operation pressure |
0.4MPa |
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Working Pressure |
0.15-0.5MPa |
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Maximum Temperature feed water flow |
45℃ |
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Allowed PH range for chemical cleaning |
1-13 |
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Allowed PH range for feed water in operation |
2-11 |
Application
*When fed with low total dissolved solids (TDS) feed (e.g., feed purified by RO), the product can reach very high purity levels (e.g., 18 megohms/cm ). [2] The ion exchange resins act to retain the ions, allowing these to be transported across the ion exchange membranes. The main applications of EDI technology, such as that supplied by Ionpure, E-cell and SnowPure, PND EDI, are in electronics, pharmaceuticals and power generation.
One important aspect in the water treatment application is that some types of EDI needs to have feed water that is free from CO2 , as well as other dissolved gasses, since these put unnecessary strain on the EDI unit and will reduce performance.
RO System + EDI System output pure water can widely apply to disinfectant acid water spray in the anti-corona-virus.
Package
Compact RO+EDI System will be packed in plywood case.
Our Service
Hinada, as the top brand of EDI Stack and EDI System supplier, provides a reliable, continuous, and environmentally friendly method for producing high-purity water EDI System, we can offer according to your project requirement.
In additional, we can provide the design, supply and installation project site support service , any questions please let us know.
Electrodeionization (EDI) is an advanced water treatment technology used to produce high-purity water without chemicals. It is a continuous running, ultrapure water resisitivity cab be reached 15--18 MΩ.cm, apply for the key industries like power generation , laboratories, pharmaceutical and biotechnology, electronic conductor industries and so on.
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This EDI Modular with capacity of 3000LPH is a continuous, chemical-free process of removing ionized and ionizable species from feedwater using DC Power to provide ultrapure water that the resisitivity above 15 MΩ.cm, apply for pharmaceutical , biotechnology, electronic conductor industries and so on. EDI is typically used to polish reverse Osmosis (RO ) permeate, and is a smart alternative to- and effective replacement of- conventional mixed bed ion exchange(IX).
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EDI Module ( Electrodeionization System ) Specifications: EDI module water resistivity：15—18MΩ .cm PH：6.5—7.5 Silica (SiO 2 ): 3-20ppm Application: include power generation, metal finishing, electronics fabrication, and more. Feature : Reverse osmosis and electrodeionization technology no regeneration chemicals required. Worldwide Support. Cost-Effective. Packaged Systems. 10 Years of Experience.
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High Purity Water Systems – Electrodeionization System Product Specifications: EDI module water resistivity：15—18MΩ .cm PH：6.5—7.5 Silica (SiO 2 ): 3-20ppm Application: include power generation, metal finishing, electronics fabrication, and more. Feature : Reverse osmosis and electrodeionization technology no regeneration chemicals required. Worldwide Support. Cost-Effective. Packaged Systems. 10 Years of Experience.
Read More
Electrodeionization (EDI) is a continuous, chemical-free process of removing ionized and ionizable species from feedwater using DC power to provide ultrapure water for the pharmaceutical and biotechnology industries. EDI is typically used to polish reverse osmosis (RO) permeate at recovery rate above 90%, the EDI permeate Resistivity can be around 17.52 Ω (omega), and is a smart alternative to — and effective replacement of — conventional mixed bed ion exchange (IX) EDI module EDI System output water quality: water resistivity： 15—18MΩ .cm PH：6.5—7.5 Silica (SiO 2 ): 3-20ppb
Read More
Electrodeionization (EDI) is an advanced water treatment technology used to produce high-purity water without chemicals, making it an essential tool for many modern industrial high standards products and scientific processes For pure water make machine, the pure water can be used for Disinfectant Acid water. For quotation we need your project information: * Customize capacity per hour according to your production requirement * Input water type, The feed water is typically the permeate from a reverse osmosis (RO) system, better with 2-stages of RO System. * Requirement for the output water standards * Controlling process, most use PLC + Touch Screen controlled.
Read More