净水厂干化铝污泥对水中Pb2+和Cu2+的吸附研究

马晨阳,段润斌,杜震宇

Adsorption of Pb2+ and Cu2+ in water by dried alum-sludge from a water treatment plant

Chenyang Ma,Runbin Duan,Zhenyu Du

表1 Langmuir和Freundlich吸附等温线拟合参数

重金属 离子 温度/℃ Langmuir等温式 Freundlich等温式 qm/ (mg·g-1) b R2 k 1 1/n R2 Pb2+ 20 212.77 0.088 0.990 68.566 0.216 0.923 Pb2+ 30 222.22 0.146 0.994 81.908 0.205 0.941 Cu2+ 20 73.53 0.044 0.982 13.697 0.328 0.936 Cu2+ 30 88.50 0.203 0.990 35.748 0.213 0.968