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DESCRIPTION |
Ion Exchange Resin For Heavy Metal Ion Removal comprises specialized resins designed to selectively remove toxic and valuable heavy metal ions from aqueous solutions. These include chelating resins with specific functional groups that show high affinity for particular metals, as well as standard cation exchange resins that remove metals through ionic exchange mechanisms.
Industrial Wastewater Treatment: Treating effluent from electroplating, metal finishing, mining, and battery manufacturing industries.
Groundwater Remediation: Removing heavy metals from contaminated groundwater at industrial sites.
Hydrometallurgy: Recovering valuable metals like copper, nickel, and zinc from process streams and leachates.
Electronic Industry Wastewater: Treating wastewater containing copper, lead, and other metals from PCB manufacturing.
Drinking Water Treatment: Removing trace heavy metals to meet drinking water standards.
Types: Chelating (iminodiacetic, thiol, aminophosphonic), Strong Acid Cation, Weak Acid Cation
Matrix: Polystyrene-DVB, Polyacrylic (Gel or Macroporous)
Functional Groups: Iminodiacetic, Sulfonic, Carboxylic, Thiol
Ionic Form As Shipped: Na⁺, H⁺ (cation); Cl⁻, Free Base
Total Exchange Capacity: 1.0-4.5 eq/L (depending on type)
Moisture Retention: 40-65%
Particle Size Range: 0.3-1.2 mm
Shipping Weight: 650-850 g/L
Specific Gravity: 1.05-1.30 g/ml
Uniformity Coefficient: ≤1.7
Operating Temperature: Up to 120°C (depending on type)
pH Range: 0-14 (depending on resin type)
Note: Parameters vary significantly by resin type and target metal. Always consult manufacturer specifications.
1. Operating Conditions
Service Flow Rate: 5 - 20 BV/h (typically lower for chelating resins)
Optimal pH Range: Varies by metal and resin (e.g., pH 3-5 for copper with iminodiacetic resin)
Operating Temperature: 5 - 80°C (depending on resin stability)
Influent Metal Concentration: Effective from ppb to hundreds of ppm
2. Regeneration
Regenerants: HCl, H₂SO₄ for cation resins; acid or specialty solutions for chelating resins
Regenerant Concentration: 2-10% (depending on resin and metal)
Regenerant Dosage: 2-4 BV of regenerant solution
Contact Time: 30 - 120 minutes
3. Rinsing
Rinse Flow Rate: 5 - 15 BV/h
Rinse Volume: 2 - 4 Bed Volumes
Rinse Endpoint: Neutral pH and low metal concentration in effluent
4. Performance Indicators
Breakthrough Capacity: Highly dependent on water composition; typically 20-150 g metal/L resin
Regeneration Efficiency: 70-95% depending on resin and regeneration protocol
Service Life: Varies with influent quality and regeneration frequency
5. Important Considerations
Competing Ions: Calcium, magnesium, and sodium can reduce capacity for target metals
Oxidizing Agents: Can damage certain functional groups; pre-treatment may be needed
Organic Fouling: Can reduce efficiency; pre-filtration or macroporous resins may be required
Waste Management: Spent regenerant requires proper treatment and disposal
ADVANTAGES |

High Selectivity: Chelating resins specifically target heavy metals while ignoring competing alkali and alkaline earth ions.
Low Effluent Concentrations: Capable of reducing metal concentrations to ppb levels, meeting stringent regulatory standards.
Metal Recovery Potential: Allows for concentration and recovery of valuable metals from dilute solutions.
Regenerability: Most resins can be regenerated multiple times, reducing operational costs.
Stable Performance: Consistent removal efficiency across varying operating conditions when properly applied.
PACKING |
25Liter Bag
25kg Bag
50kg Plastic Barrel

OUR FACTORY |





| WHY UMEK |
With 28 years in water treatment and 16 years of international market experience, UMEK delivers one-stop solutions trusted in over 120 countries for efficient and reliable results. As the largest industrial water treatment wholesaler in the north, backed by 30+ professionals and a unique culture of mentorship and excellence, we are committed to providing high-quality products and customized services.
We partner with top-tier suppliers like Runxin Valve and Pentair, ensuring certified products with strict quality control. UMEK also offers a value-driven environment, comprehensive training, and growth opportunities, empowering employees and achieving mutual success. Choose UMEK – your partner in expertise, innovation, and sustainable development!

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EXHIBITION |
Water Tech 2023
Water Tech 2023
Water Tech 2024
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| FAQ |
A1. Why choose UMEK for industrial water treatment solutions?
Q: With 28+ years in water treatment and 16+ years of global expertise, UMEK combines innovation, certified quality, and tailored services. As the largest wholesaler in the north, we deliver trusted solutions across 120+ countries, backed by 30+ professionals and partnerships with industry leaders like Runxin Valve and Pentair.
A2. Are UMEK products certified for international standards?
Q: Yes. All products undergo strict quality control and comply with global certifications (e.g., ISO, CE, WRAS). Our partnerships with top-tier suppliers ensure reliability and performance in diverse industrial applications.
A3. Can UMEK provide customized water treatment solutions?
Q: Absolutely. We specialize in tailored services, designing systems to meet unique client needs. Our team collaborates closely with you to ensure optimal efficiency, cost savings, and compliance.
A4. How does UMEK ensure product quality?
Q: Every product is rigorously inspected, tested, and certified. We work exclusively with vetted suppliers like Runxin Valve and Pentair, adhering to international quality benchmarks at every production stage.
A5. What industries does UMEK serve internationally?
Q: We serve 120+ countries across sectors like manufacturing, energy, municipal water, and agriculture. Our solutions adapt to regional regulations, climates, and operational demands for seamless global delivery.
A6. Does UMEK prioritize sustainability in its solutions?
Q: Yes. Sustainability drives our innovation. We optimize water reuse, reduce chemical waste, and integrate energy-efficient technologies to support clients’ environmental and ESG goals.
A7. What post-purchase support does UMEK offer?
Q: Clients receive lifelong technical support, including system maintenance guidance, troubleshooting, and employee training. Our mentorship-driven team ensures your operational success long after installation