研究了D301R弱碱性阴离子交换树脂对水中硝基苯的吸附作用,测定了不同温度下吸附的动力学曲线和吸附等温线,提出了吸附动力学模型,计算了平衡吸附量、吸附活化能和吸附焓等.实验结果表明,吸附动力学符合表面过程控制的准二级反应模型,其速率常数k2在300 K时为3.74×10-2 g/(mg·min),并随温度的升高而升高；平衡吸附量在300 K时为5.02 mg/g,且随温度的升高而降低；吸附活化能为39.02 kJ/mol;吸附等温线符合Langrnuir吸附模型,吸附焓为-22.47 kJ/mol,吸附作用力主要是氢键.
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