聚间苯二胺修饰壳聚糖对Cr（Ⅵ）的吸附性能研究

于婉婷,侯亮

Research on adsorption characteristics of Cr(Ⅵ) in water by poly (m-phenylenediamine) modified chitosan

Wanting YU,Liang Hou

表1 不同温度下吸附等温线模型拟合方程及参数

Table 1 Adsorption isotherm equations and parameters at different temperatures

温度/℃ Langmuir模型 Freundlich模型 qmax/(mg·g-1) KL/(L·mg-1) R2 n KF/(mg1-1/n·L1/n·g-1) R2 20 357.14 0.054 0.982 6 7.54 150.66 0.898 6 30 361.14 0.099 0.995 6 11.51 209.98 0.894 2 40 416.67 0.150 0.998 1 14.04 276.72 0.938 9