PANDA514S N-Methylglucamine Modified Chelating Resin | Boron Selective Resin

PANDA514S is a professional macroporous polystyrene chelating resin modified with N-methylglucamine functional groups, specially designed for selective boron removal and boron resource recovery. With high boron adsorption selectivity, stable physical properties and recyclable regeneration performance, it provides an efficient solution for industrial water treatment and high-standard purification applications.

Application Scope

PANDA514S is mainly applied in boron treatment processes. Based on industrial application demand, its usage scenarios include core industrial boron wastewater purification and secondary fine purification applications.

Industrial Boron Wastewater Purification

Industrial boron wastewater treatment is the primary application field of PAND514S. The resin contains highly specific N-methylglucamine functional groups, enabling selective adsorption of borate ions from complex wastewater containing various coexisting anions and impurity ions.

Compared with conventional filtration and precipitation methods, PANDA514S supports deep boron removal without introducing additional impurities. Its high adsorption capacity and stable anti-interference performance allow continuous large-flow wastewater treatment operations, helping industrial facilities improve discharge compliance and process stability.

Boron Purification for Drinking Water and Ultra-Pure Water

PANDA514S can also be used for trace boron removal in drinking water treatment and ultra-pure water production. Its stable adsorption characteristics support fine purification processes where low boron concentration is required to maintain water quality and product purity.

Mechanism

PANDA514S uses N-methylglucamine functional groups grafted onto a macroporous polystyrene resin matrix. These functional groups provide selective interaction with borate ions, enabling targeted adsorption in suitable alkaline conditions.

The resin demonstrates optimal boron adsorption performance within the working pH range of 8–10. Its optimized pore structure and uniform particle distribution contribute to fast adsorption kinetics and stable cyclic operation after regeneration.

Physicochemical Properties

PANDA514S is supplied in free amine form and features a rigid macroporous polystyrene skeleton. The resin is insoluble in conventional organic solvents, acids and alkalis, providing stable chemical resistance during industrial operation.

• Matrix Structure: Macroporous Polystyrene

• Functional Group: N-methylglucamine

• Thermal Stability: ≤80℃

• Optimal Working pH: 8–10

• Solubility: Insoluble in common solvents, acids and alkalis

• Shipping Form: Free Amine

Specifications

CAS Number	63182-08-1
Matrix Structure	Macroporous Polystyrene
Functional Group	N-methylglucamine
Total Exchange Capacity	≥0.80 mmol/ml
Water Retention	52–60%
Wet Bulk Density	0.70–0.76 g/ml
Wet True Density	1.08–1.18 g/ml
Particle Size	0.4–1.25mm: ≥95%
Thermal Stability	≤80℃
Optimal Working pH	8–10

Storage & Handling

Store PANDA514S in a cool, dry and ventilated warehouse. Avoid high temperature, freezing conditions and long-term air drying, which may affect resin structure and adsorption activity.

For industrial operation, the minimum resin bed height should not be lower than 800mm. Backwashing should be performed at 10–15m/hr flow rate with 75–100% expansion until the effluent becomes clear.

Standard activation and regeneration procedures include acid washing, water rinsing, alkali soaking and secondary rinsing. The conventional working flow rate is controlled at 5–10 BV/hr. When boron resource recovery is required, high-concentration acid elution can be applied to obtain high-purity boron solution.

Advantages / Limitations

Advantages

• High selectivity for boron adsorption through N-methylglucamine functional groups

• Stable adsorption performance under suitable alkaline operating conditions

• Good resistance to interference from coexisting anions

• Reusable resin system with standardized regeneration procedures

• Suitable for industrial wastewater treatment and high-standard water purification applications

Limitations

• Optimal adsorption efficiency requires alkaline conditions within pH 8–10

• Performance decreases in acidic and neutral environments

• Regeneration parameters require proper control to maintain long-term working efficiency

Summary

PANDA514S is a high-performance N-methylglucamine modified chelating resin developed for selective boron removal and recovery. With stable physicochemical properties, high adsorption capacity and recyclable operation characteristics, it provides a professional resin solution for industrial boron wastewater treatment, water purification and boron resource recovery projects.

N-Methylglucamine Modified Resin for Boron Recovery – FAQ

Q1. What is the boron adsorption capacity of N-methylglucamine resin in boron-containing leach solutions?

N-methylglucamine modified resin is designed for selective boron recovery through complexation between boron species and functional groups on the resin matrix. The actual adsorption capacity depends on boron concentration, solution pH, competing ions, temperature, contact time, and resin structure. Laboratory testing with representative boron-containing brine or leach solutions is recommended to evaluate adsorption capacity, equilibrium behavior, and regeneration performance. These results help optimize resin dosage, column operating conditions, and recovery efficiency for industrial boron extraction and purification processes.

Q2. How selective is N-methylglucamine resin for boron recovery from high magnesium brines?

High magnesium content in natural brines can affect boron recovery by changing solution chemistry and influencing adsorption selectivity. N-methylglucamine resin is developed to selectively interact with boron species while minimizing interference from common ions such as magnesium, calcium, and sodium. The actual boron-magnesium separation performance depends on resin functional groups, brine composition, pH conditions, and impurity levels. Testing with actual high magnesium brine samples is recommended to evaluate selectivity, adsorption efficiency, and long-term operational stability.

Q3. How does pH affect the boron adsorption performance of N-methylglucamine resin?

Solution pH plays an important role in controlling boron species distribution and the interaction between boron compounds and N-methylglucamine functional groups. Changes in pH may influence adsorption equilibrium, adsorption kinetics, and regeneration efficiency. During process development, pH optimization tests are commonly conducted to determine suitable operating conditions for maximum boron recovery while maintaining resin stability. Evaluation under actual process conditions helps establish reliable adsorption and regeneration parameters for continuous boron extraction systems.

Q4. How does N-methylglucamine resin compare with conventional ion exchange resins for boron extraction?

N-methylglucamine resin differs from conventional ion exchange resins because it is specifically designed with functional groups that can selectively bind boron species through complexation mechanisms. Conventional ion exchange resins mainly rely on ionic interactions and may show limited selectivity for boron in complex brine systems. The actual performance difference depends on feed composition, boron concentration, competing ions, and process conditions. Comparative laboratory testing can help determine the most suitable resin system for specific boron recovery applications.

Q5. How do calcium and magnesium ions affect N-methylglucamine resin performance in boron extraction?

Calcium and magnesium ions are common components in natural brines and may influence resin operation through competitive effects, scaling potential, or changes in solution chemistry. N-methylglucamine resin performance under high hardness conditions depends on its chemical stability, surface characteristics, and resistance to fouling. Proper pretreatment, filtration, and process control may be required for challenging brine systems. Actual solution testing is recommended to evaluate adsorption stability, pressure drop, regeneration efficiency, and long-term operating cycles.

Q6. What factors influence the breakthrough behavior of N-methylglucamine resin columns during boron recovery?

Column breakthrough performance is affected by boron concentration, flow rate, resin particle size, bed height, contact time, and competing ions in the feed solution. Dynamic column testing is commonly used to evaluate mass transfer zone development, adsorption utilization, and regeneration intervals. These test results provide important information for designing efficient adsorption columns and selecting suitable operating parameters. Proper column optimization helps maintain stable boron recovery performance in continuous industrial processes.

Q7. How does particle size affect boron adsorption efficiency of N-methylglucamine resin?

The particle size distribution of N-methylglucamine resin influences diffusion rate, adsorption kinetics, pressure drop, and hydraulic performance in fixed-bed adsorption systems. Smaller particles may improve mass transfer due to shorter diffusion paths, while larger particles can provide better flow characteristics and mechanical stability. The optimal particle size depends on column design, solution viscosity, operating flow rate, and required recovery efficiency. Laboratory column evaluation is recommended to achieve a balance between adsorption performance and process reliability.

Q8. What regeneration methods are used for N-methylglucamine resin after boron adsorption?

Regeneration of N-methylglucamine resin is an important factor affecting operating cost and long-term resin performance. Acid-based regeneration or other suitable chemical regeneration methods may be applied depending on the resin structure and process requirements. Parameters such as regenerant concentration, contact time, and washing procedures should be optimized to restore adsorption capacity while maintaining functional group stability. Testing with actual boron-containing solutions helps determine appropriate regeneration cycles and minimize capacity loss during repeated operation.

Q9. How do impurities and suspended solids affect N-methylglucamine resin in boron extraction systems?

Suspended solids, organic impurities, and dissolved contaminants may affect N-methylglucamine resin performance by blocking pores, increasing bed pressure drop, or reducing available adsorption sites. Proper clarification and filtration are important steps for maintaining stable resin operation. The impact of impurities depends on the specific composition of the boron-containing solution. Compatibility testing using actual feed solutions can help identify fouling risks and establish suitable cleaning procedures for maintaining adsorption efficiency and resin service life.

Q10. What should be considered when selecting N-methylglucamine resin for boron recovery projects?

Selection of N-methylglucamine resin for boron recovery should consider boron concentration, brine composition, competing ions, adsorption capacity, regeneration performance, mechanical strength, and process configuration. Laboratory and pilot-scale evaluations are important for assessing adsorption kinetics, breakthrough curves, chemical compatibility, and long-term stability. A systematic technical assessment helps determine whether N-methylglucamine resin is suitable for a specific boron extraction or purification project and supports reliable process design.