RGO电极电催化降解海产养殖废水中盐酸四环素  

Electrocatalytic Degradation of Tetracycline Hydrochloride in Marine Aquaculture Wastewater by RGO Electrode

作　　者：郭谍 郭兆春 陈思 胡腾飞 张倩[1,2] 洪俊明 GUO Die;GUO Zhaochun;CHEN Si;HU Tengfei;ZHANG Qian;HONG Junming(College of Chemical Engineering,Huaqiao University;Engineering Research Center of Industrial Wastewater Biochemical Treatment;Xiamen Tobacco Industrial Co.,Ltd,:Xiamen 361021,China)

机构地区：[1]华侨大学化工学院 [2]福建省工业废水生化处理工程技术研究中心 [3]厦门烟草工业有限责任公司,福建厦门361021

出　　处：《水处理技术》2023年第1期62-65,86,共5页Technology of Water Treatment

基　　金：国家自然科学基金项目(51978291);福建省科技基金项目(2021J01311);厦门市科技计划项目(3502Z20226012);华侨大学研究生科研创新基金项目(20014087006)。

摘　　要：研究通过改进的Hummers法结合水热法制备还原氧化石墨烯(RGO)作为电催化阳极,利用透射电子显微镜(TEM)和X-射线光电子能谱(XPS)对RGO进行表征,以盐酸四环素为目标污染物,对其进行电催化降解实验。研究发现在外加电流为15 mA,温度为20℃,盐酸四环素的浓度为5 mg/L的条件下,30 min内RGO电催化盐酸四环素的降解率可达95.07%。为深入研究电催化去除海产养殖废水中盐酸四环素污染的实际应用可行性,利用循环试验对材料稳定性进行测试,该材料耐盐性与稳定性能良好。通过自由基猝灭和活性氯产生量的实验,发现RGO电催化降解盐酸四环素的主要活性物种为表面产生的活性氯和·OH。The modified Hummers method combined with hydrothermal method was used to prepare reduced graphene oxide(RGO)as electrocatalytic anode.Transmission electron microscopy(TEM)and X-ray photoelectron spectroscopy(XPS)were used to characterize RGO.Tetracycline hydrochloride was used as the target pollutant to conduct electrocatalytic degradation experiments.It was found that under the conditions of impressed current 15 mA,temperature 20℃and tetracycline hydrochloride concentration 5 mg/L,the degradation rate of tetracycline hydrochloride electrocatalyzed by RGO could reach 95.07%within 30 min.In order to further study the practical feasibility of electrocatalytic removal of tetracycline hydrochloride pollution from Marine aquaculture wastewater,the stability of the material was tested by cycle test,and the salt resistance and stability of the material were good.Through the experiments of radical quenching and reactive chlorine production,it was found that the main active species of RGO electrocatalytic degradation of tetracycline hydrochloride were reactive chlorine and·OH produced on the surface.

关 键 词：还原氧化石墨烯 电化学 海产养殖废水 抗生素 降解 

分 类 号：O646[理学—物理化学] X703.1[理学—化学]