122 (TypeⅡ) Phenolic Aldehyde Aeries Weak Acid Cation Exchange Resin
About this Product:
This product is a weak acid cation exchange resin with carboxylic acid (−COOH) functional groups. It is synthesized from a phenolic aldehyde copolymer matrix. This resin offers a performance profile and application range comparable to Duolite S-300.
Key Applications:
This resin is primarily utilized for critical purification processes in the pharmaceutical and food industries. Its key applications include:
Food Processing: Instrumental in the decolorization and purification of amino acids, monosodium glutamate (MSG), and sugar, contributing to superior product quality.
Pharmaceuticals: Highly effective in the decolorization of antibiotics such as streptomycin, colomycin, terramycin, and aureomycin. It is also used for the reclamation of Vitamin B12.
Physical and Chemical Properties:
Information | Specification |
Polymer Matrix Structure | Phenolic aldehyde |
Physical Form and Appearance | Orange to brown spherical particle |
Functional Groups | -COOH |
Total exchange capacity (mmol/g) (dry) | ≥4.0（H） |
Particle size range (%) (0.315-1.25mm) | ≥95 |
Water retention (%) | 60 – 80 |
True wet density (g/ml) | 1.05 – 1.15 |
Apparent wet density（g/ml） | 0.70 – 0.80 |
Physical strength (%) | ——- |
Total reversible swelling（%） | H → Na ≤55.2 |
Ionic form as shipped | H+ |
Recommended Operating Parameter
Particulars | Parameter |
Operating pH-range | 5 – 14 |
Maximum operating temperature (°C) | 120 |
Working flow rate (m/h) | 10 – 30 |
Concentration of regenerant (%) | HCl: 3 – 5 ; NaOH: 3 – 5 |
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