给水污泥酸提液改性活性炭纤维吸附磷性能的研究

范旭腾,张彦平,李一兵,赵祺佳

Study on phosphorus adsorption performance of activated carbon fiber modified by acid extract of waterworks sludge

Xuteng FAN,Yanping ZHANG,Yibing LI,Qijia ZHAO

表2 等温吸附模型拟合参数

Table 2 Fitting parameters of isothermal adsorption model

温度/℃ Langmuir Freundlich KL/（L·mg-1） qm/（mg·g-1） R2 KF 1/n R2 25 0.321 8 22.77 0.968 4 10.319 1 0.221 6 0.997 4 35 0.372 5 26.91 0.961 2 11.484 7 0.227 9 0.995 8 45 0.562 5 29.75 0.981 2 13.301 7 0.223 4 0.998 4