以环硫氯丙烷为交联剂,合成了交联壳聚糖树脂,研究了该树脂对Ni(Ⅱ)的吸附特性及吸附动力学.结果表明,当溶液pH为7～8时,Ni(Ⅱ)去除率较高;在吸附120min时,Ni(Ⅱ)去除率可达到99.1%;当ρ初始(Ni2+)增至60mg/L时,树脂接近饱和吸附;树脂在20～40℃时以物理吸附为主.对树脂吸附动力学的研究表明,吸附过程符合一级动力学模型,液膜扩散为吸附过程的速率控制步骤.
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