Electrodeionization Systems to Get UltraPure Water
EDI machine
Electrodeionization (EDI) system is an advanced water purification technology that combines ion exchange and electrochemical processes to produce ultra-pure water. Unlike traditional deionization methods, which rely on chemical regeneration, EDI utilizes electric fields to drive the movement of ions through ion-exchange membranes, effectively removing dissolved salts and other ionic contaminants.
This process is continuous and does not require the use of chemicals for regeneration, making it an environmentally friendly and cost-effective solution for producing high-quality deionized water. EDI systems are widely used in applications requiring ultrapure water, such as in the pharmaceutical, semiconductor, power generation, and biotechnology industries, as well as for laboratory use.
By offering high-purity water without the need for chemical regeneration, EDI systems provide a sustainable, efficient, and reliable alternative to traditional deionization methods, making them an ideal choice for industries where water quality and process control are critical.
Features of Electrodeionization (EDI) Systems
Electrodeionization (EDI) systems are highly efficient, environmentally friendly water purification systems that combine ion exchange and electrochemical processes. Here are the key features of EDI systems:
01
Chemical-Free Regeneration
➢ No Chemical Usage: Unlike traditional ion exchange systems that require chemical regeneration, EDI systems use electricity to regenerate the ion-exchange resins, making the process more environmentally friendly and reducing the need for harmful chemicals.
02
Continuous Purification Process
➢ Real-Time Operation: EDI systems provide continuous, on-demand production of high-purity water without the need for interruptions for regeneration, making them highly efficient in applications with constant water demand.
03
High Water Purity
➢ Ultra-Pure Water: EDI systems can achieve extremely low Total Dissolved Solids (TDS) levels and produce water with a conductivity of less than 0.1 microsiemens/cm, meeting the strict purity standards required for industries such as pharmaceuticals, electronics, and laboratories.
04
Energy Efficiency
➢ Low Energy Consumption: EDI technology is energy-efficient because it uses an electric current to move ions across membranes, reducing energy consumption compared to traditional methods like reverse osmosis and conventional deionization systems.
5. Compact and Modular Design
➢ Space-Saving: EDI systems have a compact design, making them suitable for applications where space is limited. They can be easily integrated into existing water purification systems and scaled to meet varying production needs.
6. High Recovery Rate
➢ Efficient Water Recovery: EDI systems offer high water recovery rates (typically 90-95%), meaning that a significant amount of water is retained and purified, reducing water wastage compared to other systems.
7. Minimal Maintenance Requirements
➢ Low Maintenance: EDI systems require minimal maintenance, with no need for chemical regeneration or frequent resin replacement. Periodic cleaning and monitoring of system performance are typically sufficient to maintain efficiency.
8. Self-Regenerating
➢ Automated Regeneration: The ion-exchange resins in EDI systems are automatically regenerated by the applied electric field, making the process fully self-sustaining and reducing the need for manual intervention.
9. High Flow Rates
➢ Versatile for High Demands: EDI systems can accommodate high flow rates of water, making them suitable for both small-scale laboratory applications and large-scale industrial processes, such as power plants and semiconductor manufacturing.
10. Customizable and Scalable
➢ Flexible Solutions: EDI systems are highly customizable to fit the specific requirements of various industries. They can be easily scaled up or down to handle different volumes of water, ensuring flexibility and adaptability for diverse applications.
11. Low Operating Costs
➢ Cost-Effective Operation: By eliminating the need for chemicals and reducing maintenance costs associated with traditional deionization systems, EDI systems provide long-term cost savings and lower operational expenses.
12. High-Quality Water Consistency
➢ Stable Performance: EDI systems consistently deliver high-quality water with stable conductivity, which is essential for sensitive applications where water quality fluctuations could disrupt processes or affect product quality.
These features make Electrodeionization (EDI) systems an ideal choice for industries where high-quality, chemical-free water is essential for operations, offering sustainability, efficiency, and cost-effectiveness.
Specifications of Electrodeionization (EDI) Systems
| Model | Service Flow(m³/h) | Tank Size Dia. in |
|
| Min. | Max. | ||
| EDI-5 | 0.4 | 0.7 | 20 |
| EDI-10 | 0.9 | 1.2 | 24 |
| EDI-20 | 1 | 2 | 30 |
| EDI-36 | 2 | 3.5 | 36 |
| EDI-45 | 3 | 4.5 | 42 |
| EDI-58 | 4.2 | 5.8 | 48 |
Applications of Electrodeionization (EDI) Systems
Electrodeionization (EDI) systems are widely used in various industries where high-purity water is required for critical processes. Below are the key applications of EDI systems:
➣ Water for Injection (WFI): EDI is commonly used to produce Water for Injection (WFI), which must meet stringent quality standards for pharmaceutical applications, ensuring safety and compliance with regulatory guidelines.
➣ Cooling Systems: EDI-treated water is also used in cooling systems to prevent scaling, corrosion, and contamination that could affect the performance of semiconductor equipment.
➣ Closed-Loop Cooling Systems: EDI is also used in cooling towers and other cooling systems in power plants, where high-quality water helps maintain efficiency and reduces maintenance needs.
➣ Life Sciences & Biotechnology: Researchers use EDI-treated water in cell culture preparations, molecular biology experiments, and microbiology studies, where water purity is critical to obtaining accurate and reliable results.
➣ High-Purity Water for Etching and Plating: In electronics manufacturing, EDI systems provide the high-purity water needed for processes like etching and plating, where even small amounts of impurities can negatively affect product quality.
➣ Beverage Production: In industries such as brewing, soft drink production, and bottled water, EDI systems ensure that the water used is of high purity, preserving the quality and flavor of the final products.
➣ Shampoos, Lotions, and Creams: The beauty and personal care industry relies on EDI-treated water to create consistent formulations and avoid impurities that could affect the texture or efficacy of the product.
➣ Aquaculture: EDI-treated water ensures healthy conditions in fish farming and aquaculture by removing harmful minerals and providing optimal water conditions for fish and other aquatic life.
➣ Chemical Manufacturing: EDI systems are used in the production of high-purity chemicals, where any mineral residue in the water could interfere with chemical reactions and the final product quality.
➣ Desalination Plants: In seawater desalination, EDI can be integrated into the water purification process to ensure that the water produced meets high purity standards, especially in regions with limited freshwater sources.
BWF series Reverse Osmosis (RO) systems are pre-engineered and pre-assembled units with 4” membrane housings（multiple elements type)for brackish water(higher TDS).The medium large volumes can help meet your a variety of industrial and commercial applications. They are designed for overall superior performance, high recovery rates and offer great savings with low maintenance and operation costs.
Multi-Media Filter (MMF)
Our Multi-Media Filter (MMF) is a highly efficient water filtration system designed to remove suspended solids, turbidity, and other impurities from water. Unlike single-media filters, MMFs use multiple layers of filtration media—such as sand, anthracite, and gravel—each with varying sizes and densities.
This layered structure allows for superior filtration, increased dirt-holding capacity, and longer operational cycles.
Multi-Media Filters are widely used in industrial, municipal, and commercial water treatment applications, serving as a crucial pre-treatment step for processes like reverse osmosis (RO) and ultrafiltration (UF). By ensuring cleaner water and reducing maintenance needs, MMFs enhance the overall efficiency of water treatment systems.
SWH series Reverse Osmosis (RO) systems are pre-engineered and pre-assembled units with 2.5”/4” membrane housings for sea water. The small volumes can help meet your a variety of commercial applications. They are designed for overall superior performance, high recovery rates and offer great savings with low maintenance and operation costs.
Nanofiltration is a speciality membrane process which rejects particles in the approximate size range of 1 nanometer. It reliably remove color and total organic carbon (TOC) from surface water, hardness or radium from well water, overall reduce total dissolved solids (TDS).
NFS series nanofltration systems are pre-engineered and pre-assembled units to produce clean, purified water with nanofltration membranes for fresh groundwater and surface water. The multiple volumes can help meet your a variety of commercial applications such as drinking water treatment. They are designed for remove a high percentage of TOC and THM precursors while having a medium to high salt passage; medium hardness passage.
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