氧化松木生物炭高效去除水中Pb及定量吸附机理

周振扬,杨驰浩,尹微琴,侯建华,王圣森,王小治

Efficient removal and quantitative adsorption mechanisms of Pb from water by oxidized pine biochars

Zhenyang Zhou,Chihao Yang,Huiqin Yin,Jianhua Hou,Shensen Wang,Xiaozhi Wang

表2 Pb2+的吸附动力学方程拟合参数

Table 2 Kinetic fitting parameters of Pb2+ adsorption

样品 准一级动力学 准二级动力学 qe/（mg·g-1） k1/h-1 R2 qe/（mg·g-1） k2/（g·mg-1·h-1） R2 PW 3.054 7 0.004 3 0.958 7 3.617 8 0.001 4 0.963 4 PW-H2O2 17.138 4 0.01 0.973 5 19.69 8 0.015 6 0.976 7 PW-MnC 19.871 0.010 8 0.938 6 22.592 8 0.014 8 0.982 7 PW-Mn 20.829 1 0.019 8 0.898 5 22.703 5 0.001 2 0.957 8