第51卷第9期2023年5月广州化工GuangzhouChemicalIndustryVol.51No.9May.2023环境保护电催化氧化降解甲基橙废水∗夏艳1,朱晓明1,赵锦波2,尚浩3(1湖北科技学院非动力核技术研发中心,湖北咸宁437100;2武汉船舶通信研究所,湖北武汉430205;3交通运输部天津水运工程科学研究院,天津300000)摘要:采用电沉积法和热分解法分别制备PbO2电极和Pt电极,利用PbO2电极和Pt电极对甲基橙废水进行了降解处理研究。利用PbO2电极为阳极,Cu片为阴极,在pH为5.0,电流密度为40mA/cm2,浓度为200mg/L,电极距离为2.2cm时,COD去除率和脱色率达到87.4%和99%。另外还比较了PbO2电极和Pt电极作为阳极降解甲基橙废水电催化活性,结论表明PbO2电极作为阳极处理甲基橙废水的活性更高。关键词:甲基橙废水;电催化氧化;PbO2电极;COD去除率中图分类号:O646文献标志码:A文章编号:1001-9677(2023)09-0128-04∗基金项目:湖北省教育厅科学研究计划项目(No:Q20202802);湖北科技学院博士启动基金(No:BK202005);湖北科技学院团队项目(No:H2019004)。第一作者:夏艳(1987-),女,博士,研究方向为电化学处理废水。通讯作者:朱晓明(1972-),男,博士,教授,研究方向为新型化学电源及材料。DegradationofMethylOrangeWastewaterbyElectrocatalyticOxidation∗XIAYan1,ZHUXiao-ming1,ZHAOJin-bo2,SHANGHao3(1Non-powerNuclearTechnologyCollaborativeInnovationCenter,HubeiUniversityofScienceandTechnology,HubeiXianning437100;2WuhanMaritimeCommunicationResearchInstitution,HubeiWuhan430205;3TianjinResearchInstituteofWaterTransportEngineering,MinistryofTransport,Tianjin300000,China)Abstract:PbO2electrodeandPtelectrodewerepreparedbyelectrodepositionandthermaldecompositionrespectively,MethylorangewastewaterwasdegradedbyPbO2electrodeandPtelectrode.UsingPbO2electrodeasanodeandCusheetascathode,whenpHwas5.0,currentdensitywas40mA/cm2,concentrationwas200mg/Landelectrodedistancewas2.2cm,CODremovalrateanddecolorizationratereached87.4%and99%.Inaddition,thecatalyticactivityofPbO2electrodeandPtelectrodeforthedegradationofmethylorangewastewaterwascompared.TheconclusionshowedthatPbO2electrodewasmoreactiveasananodeforthetreatmentofmethylorangewastewater.Keywords:methylorangewastewater;electrocatalyticoxidation;PbO2electrode;CODremovalrate染料废...
