Non-radical activation of persulfate with Bi_(2)O_(3)/BiO_(1.3)I_(0.4)for efficient degradation of propranolol under visible light
作者机构:College of Geology and EnvironmentXi’an University of Science and TechnologyXi’an 710054China Shaanxi Provincial Key Laboratory of Geological Support for Coal Green ExploitationXi’an 710054China Department of Mechanical EngineeringThe University of Hong KongHong Kong 999077China School of Life ScienceHuzhou UniversityHuzhou 313000China School of Materials EngineeringChangshu Institute of TechnologyChangshu 215500China
出 版 物:《Journal of Environmental Sciences》 (环境科学学报(英文版))
年 卷 期:2024年第142卷第8期
页 面:57-68页
核心收录:
学科分类:083002[工学-环境工程] 0830[工学-环境科学与工程(可授工学、理学、农学学位)] 08[工学]
基 金:supported by the Basic Research Plan of Natural Science in Shaanxi Province-General Project(Nos.2023-JC-QN-0294,2023-JC-YB-094,2020JQ-740) the Postdoctoral Research Foundation of China(No.2020M673440) the National Natural Science Foundation of China(No.22303064) the Education Department Fund in Shaanxi Province(No.2021JK0763)
主 题:Iodine deficiency Heterojunction Persulfate(PS) Propranolol(PRO) Photocatalytic degradation
摘 要:Non-radical activation of persulfate(PS)by photocatalysts is an effective approach for removing organic pollutants from aqueous *** this study,a novel Bi_(2)O_(3)/BiO_(1.3)I_(0.4)heterojunction was synthesized using a facile solvothermal approach and used for the first time for non-radical activation of PS to degrade propranolol(PRO)in the presence of visible *** findings found that the degradation rate of PRO in the Bi_(2)O_(3)/BiO_(1.3)I_(0.4)/PS system was significantly increased from 19%to more than 90%within 90 min compared to the Bi_(2)O_(3)/BiO_(1.3)I_(0.4)*** indicated that the composite system exerted an excellent synergistic effect between the photocatalyst and the persulfate-based *** tests and electron paramagnetic resonance demonstrated that the non-radical pathway with singlet oxygen as the active species played a major role in the photocatalytic *** existence of photo-generated holes during the reaction could also be directly involved in the oxidation of ***,a possible PRO degradation pathway was also ***,the impacts of pH,humic acid and common anions on the PRO degradation by the Bi_(2)O_(3)/BiO_(1.3)I_(0.4)/PS were explored,and the system’s stability and reusability were also *** study exhibits a highly productive catalyst for PS activation via a non-radical pathway and provides a new idea for the degradation of PRO.