Food-Grade Macroporous Strong-Base Anion-Exchange Resin for Demineralization Decolorization in Sucrose Refining


D201-FG is a food grade strongly basic anion exchange resin of the sulphonated polystyrene series with type I trimethylamino functional groups and macroporous granules. It has excellent physical and chemical stability and thermostable performance. Structured with fine porosity and quite intense granular strength, D201-FG performs extra strong adsordability with negative organic molecules and nonpolar organics that most commonly are composed of odor and pigments, in addition to performing high exchange capacity of separating both strong inorganic acid radicals of metal salts and nonmetal minerals, such as SO42- , NO32-or Cl or base radical OH, and weak radicals as NH3. This premium resin model is hereby most suitable for hardness removal or water softening for demineralization system and industrial pure-water preparations when organics are required to release.

D201FG is often coupled-used with D001-FG for demineralization, deionization &deorganics purposes within organic solutions. Specifically metal cations as well as postive organic molecules of color and odor are all removed by D001-FG as required, while acids radicals as well as negative organics of color and odor are subject to D201FG’s chemical macropores to be captured and released. Such combined applications therefore has been widely used for deashing, desalting, and softening in food &beverage, medicine &pharmaceuticals manufacturing industries. Particularly for removal of calcium and potassium salts, dissolved color and odor molecules and other impurity organics in the refining production of amino acids, starch and sucrose, etc.

Matrix: Styrene-divinylbenzene copolymer
Functional groups: -N+ (CH3 )3
Physical form: Milky white opaque spherical beads
Moisture holding capacity(%): 50 to 56%
Ionic form as shipped: Cl form
Strong group exchange capacity: ≥3.8mmol/g
Total bulk exchange capacity: ≥1.2mmol/mL
Moisture true density: 1.06~1.10g/mL
Moisture bulk density: 0.65~0.73g/mL
Effective particle size: 0.50~0.70mm
Particle size: 0.45~1.25mm
Uniformity coefficient: ≤1.45
Integrated beads ratio after grinding test: ≥95℅
Max swelling rate of resin after ionic state
Cl->OH : 25%
Maximum operating temperature: 60°C
Minimum bed depth: 700mm
Service flow rate: 10~120 BV/h
Maximum service velocity: 120 m/h
Regenerant: NaOH
Level(Counted by 100%): 60~150g/L
Concentration: 2~4℅
Flow rate: 2~8 BV*/h
Minimum contact time: 40min
Slow rinse: 2 BV at regeneration flow rate
Fast rinse: 4~8 BV at service flow rate
*1 BV(Bed Volume)= 1 solution per resin