铁负载纤维素/单宁吸附剂的制备及其对氟硅诺酮类抗生素的吸附性能

翁鑫, 李琦琪, 杨桂芳, 吕源财, 刘以凡, 刘明华

Preparation of Adsorbent Fe-loaded Cellulose/Tannin and Its Adsorption Characteristics for Fluoroquinolones Antibiotics

WENG Xin, LI Qiqi, YANG Guifang, LV Yuancai, LIU Yifan, LIU Minghua

表1 在不同温度下Fe-CBT对NOR、LOM和LVX的等温吸附模型拟合参数

Table 1 Fitting parameters of isotherm adsorption models of Fe-CBT for NOR, LOM and LVX at different temperatures

Pollutant T / K Langmuir Freundlich Tempkin qm / mg·g-1 KL R2 n Kf R2 R2 NOR 298.15 99.07 0.1014 0.9896 2.26 16.60 0.9643 0.9636 308.15 93.71 0.0745 0.9927 2.07 12.30 0.9683 0.9653 318.15 88.36 0.0517 0.9977 1.87 8.45 0.9815 0.9807 328.15 75.67 0.0431 0.9959 1.83 6.38 0.9877 0.9791 LOM 298.15 74.17 0.1179 0.9911 2.57 15.02 0.9636 0.9870 308.15 69.36 0.0995 0.9917 2.44 12.48 0.9781 0.9917 318.15 65.95 0.0719 0.9960 2.22 9.32 0.9670 0.9901 328.15 60.70 0.0588 0.9929 2.10 7.31 0.9565 0.9881 LVX 298.15 40.14 0.1574 0.9943 3.09 10.58 0.9506 0.9974 308.15 39.49 0.1043 0.9986 2.67 7.96 0.9572 0.9990 318.15 36.20 0.0891 0.9983 2.55 6.56 0.9522 0.9990 328.15 31.83 0.0810 0.9964 2.49 5.43 0.9508 0.9988