摘要：A series of Cu/Al doped nitrogen-containing carbon microspheres prepared from low-molecular-weight chitosan (Cu/Al@NC-x, x = 1, 2, 3) were synthesized by a facile one-pot hydrothermal strategy and used for the adsorptive removal of oxytetracycline (OTC) contaminants to polish up the quality of water. Batch adsorptive experiments were performed to appraise the potential of Cu/Al@NC-x as an effective adsorbent for OTC. The effects of initial OTC concentration, solution pH, coexisting ions, adsorption time, and temperature on adsorptive performance were systematically studied. Cu/Al@NC-2 possessed the highest adsorption performance for OTC with maximum equilibrium adsorption capacity of 1727.65 mg g?1 (25 °C), 2583.10 mg g?1 (35 °C), and 2900.84 mg g?1 (45 °C), respectively. The kinetics and isotherm simulation data complied well with the pseudo-second-order kinetic and Langmuir isotherm models, respectively. The thermodynamic analysis (ΔH° > 0, ΔG° < 0) illustrated the spontaneous endothermic process of Cu/Al@NC-2 adsorbing OTC. Especially, Cu/Al@NC-2 still retained an excellent removal efficiency of 92.25 % for OTC after five adsorption cycles, verifying the feasibility of Cu/Al@NC-2 in antibiotic wastewater treatment. ? 2023 Elsevier Ltd

ISSN号：2213-3437

卷、期、页：卷11期2

发表日期：2023-04-01

影响因子：0.000000

期刊分区（SCI为中科院分区）：二区

收录情况：SCI（科学引文索引印刷版）,ESCI（新兴资源引文索引）,EI（工程索引）,SCIE（科学引文索引网络版）

发表期刊名称：Journal of Environmental Chemical Engineering

参与作者：Huang, Yan,Niu, Ge,Hua, Mingqing,Zhu, Linhua,Cui, Peng,Li, Xiaowei

通讯作者：Wang, Leichao

第一作者：巢艳红,朱文帅,刘植昌

论文类型：期刊论文

论文概要：Huang, Yan,Wang, Leichao,Niu, Ge,Hua, Mingqing,Zhu, Linhua,Cui, Peng,Li, Xiaowei,巢艳红,朱文帅,刘植昌，Adsorptive removal of oxytetracycline in wastewater by Cu/Al doped carbon microspheres prepared from low-molecular-weight chitosan，Journal of Environmental Chemical Engineering，2023，卷11期2

论文题目：Adsorptive removal of oxytetracycline in wastewater by Cu/Al doped carbon microspheres prepared from low-molecular-weight chitosan