基本性質(zhì)/ TYPICAL CHARACTERISTICS
型式/ Type : 弱酸型陽(yáng)離子交換樹(shù)脂 acid cation exchange resin
結(jié)構(gòu)/ Matrix structure : 巨孔狀交叉鍵結(jié)聚苯乙烯/
Macroporous cross1inked polystyrene
官能基/ Functional group : Iminodiacetic
物理型式/ Physical form : 含水球狀/ Moist spherical beads
離子型式/ Ionic as shipped : 鈉/ Sodium
粒徑分布/ Screen size USS(wet) : 16 to 50
粒徑大小/ Particle size : 0.3 to 1.2 mm
總交換容量/Total Exc. Capacity : 1.8 meq/ml (H+)
膨脹系數(shù)/ Swelling (approx.) : H+ → Na+ 20%
含水份/ Moisture
pH 作范圍/ Suitable pH range : 0 to 14
溶解率/Solubility : 不溶解于任何溶劑/ Insoluble in common solvents
逆洗沉降密度/Backwash settled densityto 0.79 g/ml
建議操作條件/ OPERATING CONDITIONS
操作溫度/ Max .Operating Temperature : 70oC
流速/ Service flow : 10 – 30 BV/hr
逆洗膨脹空間/Backwash expansio ace : 50 to 70%
逆洗流速/ Backwash expansion flowBV/hr
再生/ Regeneration
酸濃度/ Concentration of acid
流速/ Flow rate : 3 – 4 BV/hr
再生酸藥劑量/ Regeneration quantityg/lit of HCl
g/lit of H2SO4
慢洗流速/ Rinse flow rate : 3 – 4 BV/hr
若需要轉(zhuǎn)成Na離子/ Conversion to sodium form if required
濃度/ Concentration : 2-4%
流速/ Flow : 4 BV/hr
鹽藥量/ NaOH quantityg/lit
慢洗流速/ Rinse flow rate : 3 – 4 BV/hr
應(yīng)用附注/ APPLICATION NOTE
金屬離子的選擇性是依據(jù)進(jìn)流液的pH 而決定在某些的pH 范圍內(nèi), 交換容量會(huì)很?chē)?yán)重的下降.
最有效的除銅pH
Effective pH for copper removal
最有效的除鎳pH
Effective pH for nickel removal
最有效的除鐵pH
Effective pH for iron removal
最有效的除鉛pH : 2 以上
Effective pH for lead removal
最有效的除錳pH : 4 以上
Effective pH for manganese
選擇性的順序如下:
Order of selectivity is as follows
Cu > Pb > Ni > Zn > Co > Cd > Fe+3 > Mn > Mg > Ca >> Na
再生藥劑的選擇可用鹽酸或硫。對(duì)于除銅應(yīng)用, 建議用硫酸! 建議用鹼NaOH 再生將樹(shù)脂轉(zhuǎn)換成Na |
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