采用液相非稳态共沉淀法制备了镁铝类水滑石(Mg-Al HTlc),并研究了邻、间和对甲基苯酚在Mg-Al HTlc上的吸附行为.结果表明,邻、间和对甲基苯酚在Mg-Al HTlc上的吸附等温方程均符合Freundlich 吸附等温式；吸附动力学均符合准二级动力学方程；在实验范围内,Mg-Al HTlc对三者的吸附量为:对甲基苯酚＞邻甲基苯酚＞间甲基苯酚；在pH值5.00～13.00范围内,三者的吸附量均随pH值的增加先增大后减小、随温度升高和电解质(NaCl)浓度的增大而增大.探讨了吸附机理和苯环上甲基取代基位置对吸附的影响.
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