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Highly uniform spherical beads ensure consistent hydraulic performance and low pressure drop across packed beds.
Optimized macroporous polyacrylic matrix provides excellent chemical stability and resistance to organic fouling.
Complete conversion to hydroxide (OH⁻) form enables efficient demineralization with high regenerant efficiency.
Low total organic carbon (TOC) release minimizes post-treatment contamination risk in ultrapure water systems.
Designed for mixed-bed polishing applications requiring ultra-low silica and conductivity breakthrough performance.
Final polishing stage in power plant boiler feedwater treatment systems.
Ultrapure water (UPW) production for semiconductor manufacturing facilities.
Pharmaceutical-grade water (PW/WFI) purification in regulated biopharma processes.
Electronics industry rinse water recovery and reuse circuits.
Critical laboratory water systems requiring ASTM Type I or ISO 3696 Grade 1 specifications.
| Chemical Type | Macroporous, strongly basic anion exchange resin (Type I quaternary ammonium) |
| Product Form | Hydroxide (OH⁻) form, ready-to-use |
| Appearance | Uniform ivory-to-light-yellow spherical beads |
| Functional Group | –N⁺(CH₃)₃ |
| Matrix Structure | Crosslinked polyacrylic |
| Ion Exchange Capacity (min.) | ≥ 1.1 eq/L (dry basis) |
| Moisture Content | 45 – 52 % (as shipped) |
| Particle Size Range | 0.4 – 0.63 mm (95 % retained on 0.315 mm sieve) |
Q1: What is the primary functional form of Lanxes-s LEWATIT MonoPlus M 800 OH resin?
A: This resin is supplied in the hydroxide (OH⁻) ionic form, making it a strong base anion exchange material optimized for deionization, nitrate removal, and silica polishing applications in high-purity water systems.
Q2: How does Lanxes-s LEWATIT MonoPlus M 800 OH differ from conventional gel-type anion resins?
A: It features a macroporous monodisperse bead structure with uniform particle size distribution, offering improved hydraulic performance, higher resistance to fouling, and more consistent regeneration efficiency—especially in feedwaters containing organic matter or suspended solids.
Q3: Can this resin be used for nitrate removal in drinking water treatment?
A: Yes, Lanxes-s LEWATIT MonoPlus M 800 OH is well-suited for selective nitrate reduction due to its high affinity for multivalent anions and stable performance under typical municipal water pH and temperature conditions. Its selectivity profile supports effective nitrate/sulfate balance during service cycles.
Q4: What regeneration chemicals are recommended for this resin?
A: Sodium hydroxide (NaOH) is the standard regenerant. Typical concentrations range from 2% to 4% w/w, with dosage and contact time adjusted based on exhausted bed volume and contaminant loading. Regeneration efficiency benefits from controlled flow rates and adequate rinse volumes.
Q5: Is Lanxes-s LEWATIT MonoPlus M 800 OH compatible with mixed-bed configurations?
A: Yes—it is frequently paired with strong acid cation resins (e.g., in H⁺ form) in mixed-bed units for ultrapure water production. Its narrow particle size distribution and density characteristics support efficient separation during backwash, minimizing cross-contamination risks.
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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
