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Highly selective for monovalent anions (e.g., chloride, nitrate) in the presence of multivalent anions such as sulfate.
Optimized macroporous polystyrene-divinylbenzene matrix ensures excellent kinetic performance and robust physical stability.
Non-regenerable (single-use) design eliminates complex regeneration protocols and reduces operational downtime.
Low operating pressure drop enables efficient use in compact or high-flow modular systems.
Complies with global food contact regulations including FDA 21 CFR §173.25 and EU Regulation (EC) No 1935/2004.
Removal of nitrate from drinking water and bottled water production lines.
Polishing step in pharmaceutical process water systems to meet USP <841> and EP 2.2.48 requirements.
Pre-treatment for reverse osmosis feed water in semiconductor ultrapure water (UPW) plants.
Decolorization and trace anion removal in sugar refining and organic acid purification.
Final polishing in battery-grade lithium salt solution purification for EV battery manufacturing.
| Chemical Type | Strong base anion exchange resin, type I quaternary ammonium functional group |
| Product Form | Moist, spherical beads |
| Appearance | Off-white to light yellow, uniform spherical beads |
| Primary Applications | Nitrate, chloride, and silicate removal from low-TDS process and potable water |
| Key Features | Macroporous structure, non-regenerable, high selectivity for monovalent anions |
| Benefits | Consistent effluent quality, simplified system design, reduced chemical handling risk |
| Storage Conditions | Store at 5–35 °C; avoid freezing and direct sunlight |
| Regulatory Compliance | FDA 21 CFR §173.25, EU Regulation (EC) No 1935/2004, NSF/ANSI 61 certified |
Q1: What is the primary functional group and ionic form of LEWATIT MonoPlus S 107 NS?
A: LEWATIT MonoPlus S 107 NS is a strongly acidic cation exchange resin based on sulfonic acid functional groups, supplied in the sodium (Na⁺) form. It is designed for high selectivity and efficiency in softening and demineralization applications.
Q2: Is this resin suitable for use in food-grade or pharmaceutical water treatment systems?
A: Yes — LEWATIT MonoPlus S 107 NS is manufactured and tested to meet requirements for use in the production of potable water and purified water, including compliance with relevant global regulatory expectations for ion exchange resins in indirect food contact and pharmaceutical water purification processes.
Q3: How does the MonoPlus S 107 NS differ from conventional gel-type cation resins?
A: It features a uniform particle size distribution and highly crosslinked macroporous matrix, delivering improved hydraulic performance, faster kinetics, enhanced regeneration efficiency, and greater resistance to osmotic shock compared to standard gel-type resins.
Q4: What are the recommended storage conditions for this resin?
A: Store in original sealed packaging at temperatures between 5 °C and 40 °C, away from direct sunlight and strong oxidizing agents. Avoid freezing, as ice formation may damage the bead structure.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
