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STARK EDI System Odm Sea water purification Reverse Osmosis Drinking Water System Chemical Water Treatment Plant
Achieve ultimate water purity with Stark Water’s STARK EDI System. This advanced EDI system(Electrodeionization) provides continuous, chemical-free polishing of RO-treated water, eliminating residual ions to produce ultra-pure water. It’s an indispensable solution for demanding industrial applications requiring the highest level of water quality for processes like chemical water treatment and high-purity drinking water systems.
Product Description
In industries where water purity directly impacts product quality, process efficiency, and regulatory compliance, traditional purification methods often fall short of delivering the ultimate level of deionization. The STARK EDI System (Electrodeionization) represents the pinnacle of modern water treatment technology, designed to continuously produce ultra-pure water from RO permeate, consistently meeting the most stringent purity standards without the need for costly and hazardous regeneration chemicals.
The Advanced Technology of EDI System for Ultra-Pure Water
The **EDI system** is a cutting-edge, environmentally friendly technology that combines two well-established purification methods: ion exchange and electrodialysis. Unlike conventional ion exchange beds which require periodic chemical regeneration, EDI uses electricity to continuously regenerate its resin, thus eliminating the need for acid and caustic chemicals. RO-purified water (e.g., from a reverse osmosis drinking water system, which might treat sources like municipal water, brackish water, or even desalted seawater) flows through an EDI module containing mixed-bed ion exchange resins and ion-selective membranes. An electrical current is applied, which drives dissolved ions out of the water stream and into a concentrate stream, leaving behind ultra-pure water. This continuous process ensures consistent product water quality, significantly reducing operational complexities and environmental impact.
Key Benefits for High-Purity Water Needs
Integrating the STARK EDI System into your water treatment train offers substantial advantages, particularly for industries requiring extremely low conductivity and high resistivity water:
- Continuous Operation: Provides an uninterrupted supply of ultra-pure water, eliminating downtime associated with batch regeneration cycles.
- Chemical-Free Regeneration: Eliminates the need for strong acids and caustics for resin regeneration, leading to safer operations, reduced chemical handling costs, and minimal hazardous waste disposal.
- Consistent Water Quality: Delivers stable and reliable ultra-pure water quality with typical resistivity values reaching 16-18 MΩ·cm.
- Reduced Operating Costs: Lower chemical consumption, reduced labor for regeneration, and less wastewater generation contribute to significant cost savings.
- Environmentally Friendly: Supports sustainable practices by minimizing chemical use and waste, aligning with modern environmental regulations and corporate responsibility goals.
- Compact Footprint: Often requires less space compared to conventional mixed-bed ion exchange systems, especially those with regeneration equipment.
Seamless Integration into Comprehensive Water Treatment Plants
The STARK EDI System is typically integrated as a polishing step downstream of a Reverse Osmosis (RO) system. It elevates the purity of RO permeate to ultra-pure levels required by highly sensitive applications. Whether your source water is tap water, well water, or pre-treated water from a **sea water purification** RO system, our EDI technology can deliver the final polish needed. It forms a crucial part of a comprehensive **chemical water treatment plant** where reducing or eliminating chemical use for deionization is a key objective, demonstrating a forward-thinking approach to water management.
Product Parameter
| Parameter | Specification / Customization Options |
|---|---|
| Core Keyword Focus | Sistema EDI design and performance. |
| Technology | Electrodeionization (EDI) |
| Feed Water Requirement | RO Permeate (Typical Feed TDS <50 μS/cm or <20 ppm, <0.1 ppm Cl₂). Needs to be free of hardness and organic fouling. |
| Product Water Quality | Resistivity typically 16 – 18 MΩ·cm @ 25°C (conductivity <0.1 μS/cm); TOC (Total Organic Carbon) and particle reduction. |
| Capacity | Varies significantly based on modular design (e.g., from 1 m³/hr to 100+ m³/hr or custom). |
| Power Supply | 3 Phase, 380V/415V/460V, 50Hz/60Hz (DC power for electrodes; customizable). |
| Control System | PLC Automatic Control with continuous monitoring of product water resistivity/conductivity, flow rates, and alarms. |
| Operating Pressure | Typically 0.2 – 0.4 MPa (2 – 4 Bar / 29 – 58 PSI) at module inlet. |
| Operating Temperature | 5°C – 45°C (Optimal performance around 25°C). |
| Recovery Rate | Typically 90% – 95% (Product water relative to RO permeate feed). |
| Materials | High-quality, corrosion-resistant materials for piping (e.g., UPVC, PVDF, SS304/316), frame (SS304), and EDI module stack. |
| Module Configuration | Modular design for easy expansion and maintenance. |
| Safety Features | Over-current protection, over-voltage protection, low-flow shutdown. |
Applicable Industry
- Pharmaceutical Industry: Critical for producing Purified Water (PW), Water for Injection (WFI), and Highly Purified Water (HPW) in compliance with stringent pharmacopoeia standards (USP, EP, JP), used in drug formulation, API production, and sterile rinsing.
- Electronics & Semiconductor Manufacturing: Essential for producing Ultra-Pure Water (UPW) used in wafer fabrication, component rinsing, and cleanroom processes, where even trace ions can cause defects in sensitive microelectronic devices.
- Power Generation: Used for producing ultra-pure boiler feed water for high-pressure boilers (e.g., in power plants), preventing scaling, corrosion, and silica deposition, thus improving efficiency and extending turbine lifespan.
- Chemical Industry: Provides high-purity water for sensitive chemical reactions, diluting high-purity chemicals, and creating specialized solutions where ion contamination must be strictly avoided.
- Laboratories & Research Facilities: Produces analytical-grade water (Type I/II) for highly sensitive laboratory experiments, glassware washing, and reagent preparation, ensuring accurate and reproducible results.
- Food & Beverage Industry (Specialized): For producing ultra-pure water used in specific high-end beverage formulations or specialized food ingredients where extremely low conductivity is required.
- Automotive (Battery & Finishing): Supplies deionized water for battery manufacturing (e.g., EV batteries) and critical rinsing stages in metal finishing and painting processes to prevent spotting and improve adhesion.
- Odm Sea Water Purification Reverse Osmosis Drinking Water System (as post-treatment): After initial RO desalination of seawater, an EDI system can polish the water to achieve ultra-pure drinking water or process water standards, especially if very low TDS is required from a saline source.
- Chemical Water Treatment Plant (as a chemical-free deionization unit): Acts as a key component in a comprehensive water treatment plant that aims to eliminate the use of regeneration chemicals typically associated with ion exchange, improving safety and environmental compliance.
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FAQ
Q1: How long does the reverse osmosis system last?
The lifespan of a reverse osmosis system depends on water quality and maintenance. Typically, the membrane lasts 2–3 years, while the system itself can last over 10 years with proper care.
Q2: Can the system be customized based on different water conditions?
Yes, all our systems are fully customizable. We analyze your water report and application needs before providing tailored solutions.
Q3: What standards does STARK equipment comply with?
Our products comply with CE, ISO 9001, and can be designed to meet specific regional regulations or industry standards upon request.
Q4: What is the delivery time for STARK RO systems?
Standard systems are shipped within 7–15 days. For customized orders, lead time may extend to 20–25 days depending on complexity.
Q5: Do you provide technical support or installation guidance?
Yes. We provide full technical documentation, remote guidance via video, and can dispatch engineers internationally upon request.
Q6: What is included in your quotation?
Our quotation includes the full RO system, control panel, pumps, pre-treatment units, and all necessary fittings. Installation tools and spare parts can be included upon request.
