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DESCRIPTION |
D201 Macroporous Strong Basic Anion Exchange Resin is a high-performance anion exchange material with a macroporous polystyrene-divinylbenzene matrix and quaternary ammonium functional groups. This resin combines the physical stability of macroporous structure with efficient anion exchange capabilities, making it suitable for demanding industrial applications.
Water Demineralization: Used in multi-bed and mixed-bed deionization systems for efficient removal of all anions including silica.
Industrial Water Treatment: Applied in power plants, chemical plants, and manufacturing facilities for high-purity water production.
Wastewater Treatment: Effective in removing anionic contaminants from industrial wastewater streams.
Chemical Processing: Used in purification processes and as a catalyst in various chemical reactions.
Sugar and Sweetener Industry: Employed for decolorization and purification of sugar syrups and sweeteners.
Type: Strong Base Anion Exchange Resin (Type I)
Matrix: Polystyrene-DVB (Macroporous)
Functional Group: Quaternary Ammonium
Ionic Form As Shipped: Cl⁻
Total Exchange Capacity: ≥1.0 eq/L
Moisture Retention: 50-60%
Particle Size Range: 0.3-1.2 mm (≥95%)
Whole Uncracked Beads: ≥95%
Shipping Weight: 670-720 g/L
Specific Gravity: 1.06-1.10 g/ml
Effective Size: 0.4-0.7 mm
Uniformity Coefficient: ≤1.6
Maximum Operating Temperature: 60°C (OH⁻ form), 100°C (Cl⁻ form)
Note: These are general guidelines. Specific parameters must be confirmed with the manufacturer's data sheet.
1. Operating Conditions
Service Flow Rate: 10 - 30 BV/h
Operating Temperature: Up to 60°C (OH⁻ form), up to 100°C (Cl⁻ form)
pH Range: 0 - 14
Maximum Operating Pressure: 6 bar
2. Regeneration
Regenerant: NaOH (2-4%)
Regenerant Dosage: 80 - 150 g NaOH/L resin
Regeneration Flow Rate: 2 - 5 BV/h
Contact Time: 30 - 60 minutes
3. Rinsing
Rinse Flow Rate: 5 - 15 BV/h
Rinse Volume: 2 - 4 Bed Volumes
Rinse Endpoint: Effluent conductivity and pH stabilization
4. Performance Indicators
Operating Capacity: 0.8 - 1.0 eq/L (depending on regeneration level)
Silica Leakage: <20 ppb (under proper operating conditions)
Pressure Drop: Typically 0.5 - 1.5 bar/m bed depth
5. Important Considerations
Organic Fouling: Though resistant, pre-treatment is still recommended for high organic loads
Thermal Limitations: Avoid prolonged exposure to temperatures above 60°C in OH⁻ form
Oxidant Protection: Free chlorine should be <0.1 mg/L to prevent degradation
Pre-treatment: Pre-filtration recommended for suspended solids >5 mg/L
ADVANTAGES |

Excellent Physical Stability: Macroporous structure provides high resistance to osmotic shock and mechanical attrition.
Good Kinetic Performance: Rapid exchange kinetics suitable for various flow conditions.
Organic Fouling Resistance: Enhanced resistance to organic fouling compared to gel-type resins.
High Exchange Capacity: Substantial anion exchange capacity for efficient operation.
Thermal Stability: Maintains performance at elevated temperatures up to 60°C (OH⁻ form).
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
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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