笋壳渣对阴阳离子染料的吸附特征及机制研究

祖林鹏,邓斌,杨成,王章鸿,刘涛泽,刘庆友

Adsorption characteristics and mechanism of anion and cation dyes by bamboo shoot shell residue

Linpeng ZU,Bin DENG,Cheng YANG,Zhanghong WANG,Taoze LIU,Qingyou LIU

表1 吸附等温线拟合参数

Table 1 Fitting parameters of adsorption isotherm

染料 T/K Langmuir Freundlich KL/（L·mg-1） RL/（g·L-1） Qm/（mg·g-1） R2 KF/（mg1-n ·g-1·L-n ） n R2 MB 288.15 0.130 0.015 199.442 0.820 55.144 4.124 0.971 298.15 0.183 0.011 200.321 0.838 63.650 4.301 0.992 308.15 0.259 0.008 222.222 0.790 81.339 4.978 0.993 AS 288.15 0.053 0.036 201.735 0.959 21.617 2.324 0.846 298.15 0.065 0.030 198.886 0.958 24.575 2.455 0.869 308.15 0.061 0.032 200.602 0.960 24.289 2.449 0.868