杜笙?螯合離子交換樹脂tulsion?ch-90
去除+2價(jià)金屬離子的選擇性螯合離子交換樹脂
selectiveion exchange resin for removal of bivalent metals.
tulsion?ch-90是一款具有iminodiacetic官能基及非常耐久型的巨孔狀的選擇性螯合型離子交換樹脂。
tulsion?ch-90適用于制程或廢水中從一價(jià)金屬離子中
基本性質(zhì)/typical characteristics
型式/ type :弱酸型陽離子交換樹脂/weak acid cation exchange resin
結(jié)構(gòu)/ matrixstructure : 巨孔狀交叉鍵結(jié)聚苯乙烯/
macroporouscrosslinked 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 : 45-50%
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/backwashsettled density : 0.72 to 0.79 g/ml
建議操作條件/operating conditions
Zui大操作溫度/max .operating temperature : 70oc
流速/service flow : 10 – 30 bv/hr
逆洗膨脹空間/backwashexpansio ace : 50 to 70%
逆洗流速/backwash expansion flow : 8-10 bv/hr
再生/regeneration
酸濃度/concentration of acid : 5 - 8%
流速/ flowrate : 3 – 4 bv/hr
再生酸藥劑量/regeneration : 150-200 g/lit of hcl
:200-250g/lit ofh2so4
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 : 50-150 g/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)很嚴(yán)重的下降.
Zui有效的除銅ph :3 - 4
effectiveph for copper removal
Zui有效的除鎳ph :3 - 5
effectiveph for nickel removal
Zui有效的除鐵ph :2 - 4
effectiveph for iron removal
Zui有效的除鉛ph :2 以上
effectiveph for lead removal
Zui有效的除錳ph :4 以上
effectiveph for manganese
選擇性的順序如下:
order ofselectivity 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 再生將樹脂轉(zhuǎn)換成na 型, 并將ph 變成原來的進(jìn)水條件。