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Highly selective for phosphate and arsenate anions in complex water matrices.
Exceptional chemical stability in acidic to neutral pH ranges (pH 2–8).
Low pressure drop design enables efficient operation in fixed-bed and cartridge systems.
Regenerable with mild alkaline solutions (e.g., NaOH), supporting sustainable reuse cycles.
Low soluble organic carbon (SOC) leaching, ensuring compliance with stringent drinking water standards.
Drinking water treatment for phosphate and arsenic removal.
Pretreatment of industrial process water prior to reverse osmosis or electrodialysis.
Removal of oxyanions from municipal wastewater effluent polishing streams.
Phosphate control in closed-loop cooling water systems.
Groundwater remediation targeting inorganic contaminants in environmental restoration projects.
| Chemical Type | Strong-base anion exchange resin, quaternary ammonium functionalized |
| Product Form | Moist, spherical beads |
| Appearance | Off-white to light yellow, uniform spherical particles |
| Functional Group | Triethylbenzylammonium |
| Matrix Structure | Macroporous polystyrene-divinylbenzene copolymer |
| Ionic Form | Chloride (Cl⁻) |
| Particle Size Range | 0.3–1.2 mm |
| Moisture Content | 45–50 % (w/w) |
Q1: What is the primary functional role of LANXESS LEWATIT VPOC 1074 in industrial water treatment systems?
A: LEWATIT VPOC 1074 is a strongly acidic cation exchange resin in the sodium form, designed for softening and demineralization applications. It selectively removes hardness ions—particularly calcium and magnesium—from feedwater in low-pressure boiler feed, cooling water, and process water systems.
Q2: How does VPOC 1074 differ from standard gel-type cation resins in terms of physical structure and performance?
A: VPOC 1074 features a macroporous matrix with high crosslinking density, offering superior mechanical stability, faster kinetics for ion exchange, and enhanced resistance to fouling by organic matter or iron compared to conventional gel-type resins—making it especially suitable for challenging feedwaters with variable quality.
Q3: Is VPOC 1074 compatible with common regeneration chemicals used in ion exchange systems?
A: Yes, VPOC 1074 is fully regenerable using standard sodium chloride (NaCl) brine solutions. It also demonstrates good chemical stability toward typical acid and alkali regenerants when operated within recommended pH and temperature limits, supporting flexible system design and long service life.
Q4: What are key handling and storage considerations for this resin prior to installation?
A: The resin should be stored in its original sealed packaging at temperatures between 5 °C and 40 °C, protected from freezing and direct sunlight. Once opened, it must be kept moist and used promptly to prevent dehydration or contamination. Pre-use rinsing with deionized water is recommended to remove fines and residual manufacturing agents.
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