镁盐改性凹凸棒土颗粒制备优化及磷吸附特性

陆谢娟,童山原,冯璐,毛娟,吴晓晖,史诗乐

Optimization of preparation of magnesium salt modified attapulgite particles and adsorption characteristics of phosphate

Xiejuan Lu,Shanyuan Tong,Lu Feng,Juan Mao,Xiaohui Wu,Shile Shi

表8 Mg-TAP对磷的等温吸附拟合参数

Freundlich方程 KF 1/n R2 qe=KFCe1/n 2.839 8 0.267 4 0.957 5 Langmuir方程 qm(mg·g-1) b R2 qe=bqmCe/(1+bCe) 12.871 6 0.073 2 0.957 5 Langmuir-Freundlich方程 qm(mg·g-1) b n R2 qe=bqmCe1/n/(1+bCe1/n) 16.408 9 0.148 5 1.812 74 0.988 7