Anion Ion Exchange Resin

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Anion Ion Exchange Resin

Anion exchange resins are insoluble polymer beads containing positively charged functional groups that attract and exchange negatively charged anions from a solution.

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DESCRIPTION

Product Description

Anion exchange resins are insoluble polymer beads containing positively charged functional groups that attract and exchange negatively charged anions from a solution. They are typically classified as Strong Base Anion (SBA) or Weak Base Anion (WBA) resins, depending on the type of functional group and its dissociation characteristics.

Applications

Water Demineralization: Used in conjunction with cation resins in mixed-bed or two-bed systems to remove anions (Cl⁻, SO₄²⁻, HCO₃⁻, NO₃⁻, SiO₃²⁻) and produce high-purity deionized water.
Nitrate and Arsenic Removal: Specific SBA resins are employed for targeted removal of nitrate and arsenic from drinking water to meet regulatory standards.
Organic Acid Removal & Decolorization: WBA resins are effective in removing organic acids and color bodies from sugar syrups, pharmaceuticals, and chemical process streams.
Chemical & Pharmaceutical Purification: Used to separate, concentrate, and purify anions, organic acids, antibiotics, and other biomolecules in process industries.
Catalysis: SBA resins in the hydroxide (OH⁻) form can act as a base catalyst in various organic synthesis reactions.

Reference Indicators for Use

Note: These are general guidelines. Specific parameters must be confirmed with the manufacturer's data sheet for the particular resin.

1. Operating Conditions

Service Flow Rate: 5 - 40 m/h (depending on application and required quality).
pH Range: SBA: 0 - 14; WBA: 0 - 9 (effective operating range).
Max. Operating Temperature: SBA (OH⁻ form): 60°C; SBA (Cl⁻ form): 100°C; WBA: 100°C.

2. Regeneration

Regenerants: SBA: NaOH (2-4%); WBA: NaOH (2-4%), Na₂CO₃, or NH₄OH.
Regenerant Dosage: SBA: 80 - 160 g NaOH/L resin; WBA: 60 - 120 g NaOH/L resin.
Regeneration Flow Rate: 2 - 5 m/h.
Contact Time: 30 - 90 minutes.

3. Rinsing

Rinse Flow Rate: Slow rinse at regen flow rate, then fast rinse at service flow rate.
Rinse Volume: For SBA, typically 2 - 4 Bed Volumes for fast rinse, or until effluent pH/conductivity stabilizes. For WBA, rinse until effluent is neutral.

4. Physical & Chemical Properties

Total Capacity: SBA: ≥3.8 eq/kg (Cl⁻ form); WBA: ≥4.5 eq/kg.
Moisture Content: SBA: 50-65%; WBA: 50-70%.
Ionic Form as Shipped: SBA: Cl⁻ or OH⁻; WBA: Free base.

5. Important Considerations

Fouling: SBA resins are highly susceptible to irreversible fouling by natural organic matter (NOM). Pre-treatment is often essential.
Silica Fouling: Silica can precipitate on SBA resins during regeneration with NaOH if temperature and concentration are not properly controlled.
Chemical Stability: SBA Type I resins have the highest thermal and chemical stability, while WBA resins cannot remove weak acids like CO₂ and SiO₂.

ADVANTAGES

201X4 FG Strong Acid Cation Exchange Resin INDEX

Product advantages

High Selectivity: Can be formulated for high selectivity towards specific anions like nitrate, sulfate, or arsenic, enabling targeted removal.
High Exchange Capacity: Offers substantial ion exchange capacity, ensuring long service runs and efficient utilization of the resin bed.
Regenerability: Both SBA and WBA resins can be efficiently regenerated (with NaOH, NaCl, or Na₂CO₃ solutions), allowing for repeated use and lower operating costs.
Versatility: Available in various types (SBA Type I/II, WBA) and physical forms (gel, macroporous) to suit a wide range of application needs and solution conditions.
Stable Performance: Provides consistent and reliable ion removal performance when operated within specified parameters.

PACKING

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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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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