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壳聚糖对废水中Cu(Ⅱ)吸附研究

Zhou Mingluo,Zhang Tifu

Guangdong Chemical Industry（2011）

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Abstract
用正交实验考察了pH、Cu(Ⅱ)初始浓度、温度等因素对壳聚糖吸附废水中Cu(Ⅱ)的影响。结果表明各因素对壳聚糖吸附Cu(Ⅱ)的影响关系为:pH>Cu(Ⅱ)初始浓度>温度,其最佳组合为pH为7,Cu(Ⅱ)初始浓度5 mg.L-1,温度为15℃,Cu(Ⅱ)最高吸附率达98.85%;等温吸附曲线拟合表明,Langmuir模型、Freundlich模型均能较好地反映壳聚糖对Cu(Ⅱ)的吸附特性。
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Key words
chitosan,cooper ions,isothermal absorption
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