硫酸钙/污泥基生物炭对水中铅的吸附性能研究
刘睿,刘立恒,黄蓉,刘秀

Adsorption of lead in aquatic environment by biochar derived from calcium sulfate and sewage sludge
Rui Liu,Liheng Liu,Rong Huang,Xiu Liu
表1 SBC吸附Pb2+等温模型拟合参数
温度/℃ qm/(mg·g-1 Langmuir Freundlich Temkin
KL RL R2 KF 1/n R2 bT KT R2
15 249.377 0.288 0.012~0.122 0.996 142.379 0.114 0.969 151.790 2.527×104 0.984
25 280.899 3.236 0.001~0.012 0.999 186.350 0.110 0.836 139.656 1.293×105 0.907
35 326.793 0.546 0.006~0.068 0.998 200.959 0.114 0.853 128.955 8.805×104 0.943