Product Details

4. Typical Physical and Chemical Properties:

Items	D201	D201FC	D201SC	D201MB	D201TR
Matrix	Styrene-divinylbenzene
Appearance	Ivory to light yellow opaque spherical particle
Functional group	–N⁺(CH₃)₃
Total exchange capacity (mmol/g) (dry)	≥3.70
Total exchange capacity (mmol/ml) (wet)	≥1.20		≥1.10	≥1.20
Water retention (%)	50 - 60
Apparent wet density（g/ml）	0.65 - 0.73
True wet density (g/ml)	1.06 - 1.10
Total reversible swelling（%）	(Cl^-→ OH^-)≤20
Particle size range (%)	(0.315-1.25)mm≥95	(0.45-1.25)mm≥95	(0.63-1.25)mm≥95	(0.40-0.90)mm≥95
Effective size (mm)	0.4-0.7	≥0.5	≥0.63	0.50-0.80
coefficient of uniformity uniformity　　　　≤	≤1.6		≤1.4
Physical strength (%)	≥90
Ionic form as shipped	Cl^-

5. Recommended Operating Parameters:

Items		Parameters
Operating pH-range		1 - 14
Maximum operating temperature (°C)	OH^-	60
	Cl^-	80
Working flow rate (m/h)		15 – 25 (high flow rate: 80-100 m/h)
Concentration of regenerant (%)		HCl：4 - 5 ; NaOH：4 - 5

6. Applications

They are mainly used in manufacture and purification of pure water and high purity water, decolorization of sugar solution and fermentation solution, wastewater treatment, adsorption and extraction of vanadium pentoxide, recycling of heavy metal etc. D201FC is specially used in floating bed system; D201MB is specially used in mixed bed system; D201SC is specially used in duel bed system; D201TR is specially used in triplex bed system.