摘要
利用一锅煅烧法制备铁钼类芬顿催化剂(FMN),并利用非均相类芬顿体系对盐酸四环素(TCH)进行降解性能研究。采用XRD、SEM、FT-IR、XPS等手段对催化剂进行表征分析,探究不同因素对TCH废水降解性能的影响,并探索该体系的催化降解机理。结果表明,在反应温度30℃、初始pH=4.5、催化剂FMN材料投加量0.2 g/L、H_(2)O_(2)浓度15 mmol/L的条件下,60 min内该体系对TCH的降解率可达87.2%,同时,该催化剂表现出良好的抗干扰能力和循环稳定性,具备较强的实际应用价值。在降解过程中,·OH和~1O_(2)为主导反应的活性物质,二者协同作用强化了TCH的降解。
An iron-molybdenum Fenton-like catalyst(FMN)is prepared via a one-pot calcination method,and applied in a heterogeneous Fenton-like system to study the degradation performance of tetracycline hydrochloride(TCH).The catalyst is characterized by means of XRD,SEM,FT-IR,and XPS techniques to investigate the influences of various factors on the degradation efficiency of TCH wastewater and to explore the catalytic degradation mechanism of the system.The results demonstrate that the degradation rate of TCH by the system reaches 87.2%within 60 minutes under the conditions that reaction temperature is at 30℃,initial pH=4.5,FMN catalyst dosage is 0.2 g/L,and H_(2)O_(2) concentration is 15 mmol/L.Additionally,the catalyst exhibits excellent anti-interference capability and cycling stability,indicating a strong potential for practical application.During the TCH degradation process,·OH and 1O_(2) are identified as the dominant reactive species,and their synergistic effect enhances significantly the degradation of TCH.
作者
刘梦帆
彭小倩
袁庆路
范梦婕
陈英文
LIU Meng-fan;PENG Xiao-qian;YUAN Qing-lu;FAN Meng-jie;CHEN Ying-wen(College of Biotechnology and Pharmaceutical Engineering,Nanjing Tech University,Nanjing 211816,China;School of Environmental Science and Engineering,Nanjing Tech University,Nanjing 211816,China)
出处
《现代化工》
北大核心
2025年第9期119-124,132,共7页
Modern Chemical Industry
基金
国家重点研发计划(2023YFB3810800)。
关键词
盐酸四环素
铁钼
过氧化氢
降解
类芬顿
tetracycline hydrochloride
iron-molybdenum
H_(2)O_(2)
degradation
Fenton-like
作者简介
刘梦帆(1998-),女,硕士生,研究方向为水处理环境功能材料,1005294635@qq.com;通讯联系人:陈英文(1978-),男,博士,教授,研究方向为环境功能材料和多介质污染物深度净化技术等,ywchen@njtech.edu.cn。
