空心类水滑石对重金属的吸附性能研究
崔国居, 李家亮

Adsorption of heavy metals by hollow layered double hydroxides
Guoju CUI, Jialiang LI
表2 LDHs-H和LDHs吸附Cu2+、Pb2+、Zn2+和Ni2+的等温吸附模型参数
Table 2 Parameters of isothermal adsorption model for Cu2+,Pb2+,Zn2+ and Ni2+ adsorbed by LDHs-H and LDHs
重金属离子吸附剂Langmuir模型Freundlich模型
qm/(mg·g-1KL/(L·mg-1R2KF/(mg1-1/n ·L1/n ·g-1nR2
Cu2+LDHs-H218.260.140.6683.561.830.991
LDHs128.570.110.7487.312.810.994
Pb2+LDHs-H227.650.180.7198.012.740.992
LDHs152.650.610.6867.902.730.993
Zn2+LDHs-H130.480.950.9947.312.560.786
LDHs105.250.310.9972.372.710.853
Ni2+LDHs-H156.380.290.9924.192.510.794
LDHs122.800.430.9955.422.650.866