【摘要】 采用辽宁某地的膨润土 ,制备了羟基铝柱撑蒙脱石 ,系统研究了原土及柱撑蒙脱石对水溶液中Cr6+ 的吸附作用 ,结果表明 :柱撑蒙脱石对水溶液中Cr6+ 的吸附作用明显优于原土 ,溶液在室温和起始 pH为 4 0的条例下 ,Cr6+ 的初始浓度 4 0mgL-1,柱撑蒙脱石投加量 4 0 gL-1,振荡吸附时间4 0min ,柱撑蒙脱石对苯胺去除率为 90 % ;柱撑蒙脱石对Cr6+ 的倒数吸附等温线近似成直线 ,符合Langmuir吸附公式。更多还原

【Abstract】 Al-pillared montmorillonite was prepared by using the artificial Na-montmorillonite,its adsorption behavior was studied by experiments,the results showed the Al-pillared montmorillonite exhibited much stronger adsorption capacity on the Cr 6+ in aqueous solution than untreated clay,and the adsorption isotherm of the material to Cr 6+ from aqueous solution was keeping with the Langmuir equation.更多还原