【摘要】 以富含高岭石和伊利石的泥岩为原料与水淬渣协同利用,制备一种Cu²⁺的吸附材料。通过吸附试验研究泥岩土与水淬渣的混合比例、pH值范围、材料用量、吸附时间等条件。采用3种动力学方程拟合分析,得到准二阶动力学方程更好地表述吸附过程。通过吸附等温曲线试验确定吸附模型属于Langmuir模型,确定最大单位吸附量约为11.5 mg/g。最后采用扫描电镜和显微CT分析对泥岩-水渣吸附材料的表面和内部结构进行分析,并解释吸附材料对溶液中的Cu²⁺有很好吸附效果的原因。更多还原

【Abstract】 Synergetic utilization of shale rich in kaolinite and illite with blast furnace slag,a kind of Cu²⁺ adsorption material was prepared by using mudstone and blast furnace slag.The suitable mixing ratio,pH value range,material amount and adsorption time of mudstone and blast furnace slag were studied by adsorption test.Three kinds of kinetic equations are used to fit,and the pseudo second order dynamic equation is obtained to better describe the adsorption process.According to the adsorption isotherm curve test,it belongs to langmuir adsorption model,and the maximum unit adsorption capacity is 11.5 mg/g.At last,the surface and internal structure of the adsorption material were analyzed by SEM and micro-CT,and the reason why the adsorption material has a good adsorption effect on Cu²⁺ in the solution was explained.更多还原