提取腐殖酸后的褐煤残渣对水中Cr（Ⅵ）的吸附研究

王茁伊,付鹏,王润琪,刘鹏,于妍

Study on the adsorption of Cr （Ⅵ） in water by lignite residue after humic acid extraction

Zhuoyi WANG,Peng FU,Runqi WANG,Peng LIU,Yan YU

表1 等温吸附模型的拟合参数

Table 1 Fitting parameters of isothermal adsorption model

T/K Langmuir Freundlich KL/（L·mg-1） R2 KF 1/n R2 298.15 0.375 0.991 36.343 0.294 0.610 303.15 0.344 0.995 33.981 0.275 0.692 308.15 0.289 0.998 74.664 0.238 0.871