光电芬顿氧化反应降解染料罗丹明B

收稿日期：2017-08-10；录用日期：2017-10-16ReceivedDate:2017-08-10;AcceptedDate:2017-10-16基金项目：国家自然科学基金项目（41503102）；中国博士后基金（2015M572568）；陕西省博士后基金（2016BSHEDZZ35）；香港理工大学基金（G-YBHP）FoundationItem:NationalNaturalScienceFoundationofChina(41503102);ChinaPostdoctoralScienceFoundation(2015M572568);ShaanxiPostdoctoralScienceFoundation(2016BSHEDZZ35);TheHongKongPolytechnicUniversity(G-YBHP)通信作者：朱威，E-mail:cewchu@polyu.edu.hkCorrespondingAuthor:CHUWei,E-mail:cewchu@polyu.edu.hk引用格式：陈美娟,朱威,WongYuktung.2017.光电芬顿氧化反应降解染料罗丹明B[J].地球环境学报,8(6):586–592.Citation:ChenMJ,ChuW,WongY.2017.DyeRhodamineBdegradationbyphoto-ElectricFenton’soxidation[J].JournalofEarthEnvironment,8(6):586–592.研究论文ARTICLEVol.8No.6ǀDec.2017DOI:10.7515/JEE201706010地球环境学报JournalofEarthEnvironmentJEE光电芬顿氧化反应降解染料罗丹明B陈美娟1,2，朱威2，WONGYuktung21.西安交通大学人居环境与建筑工程学院，西安7100492.香港理工大学土木及环境工程学系，香港999077DyeRhodamineBdegradationbyphoto-ElectricFenton’soxidationCHENMeijuan1,2,CHUWei2,WONGYuktung21.SchoolofHumanSettlementsandCivilEngineering,Xi’anJiaotongUniversity,Xi’an710049,China2.DepartmentofCivilandEnvironmentalEngineering,TheHongKongPolytechnicUniversity,HungHom,Kowloon,HongKong,ChinaAbstract:Background,aim,andscopeThesyntheticdyesisundesirableinwaterbecausethecoloringagentsareharmfultotheaquaticenvironment.RhodamineB(RhB)isanimportantrepresentativeofxanthene-baseddyes.HumanexposuretoRhBcancauseirritationincontactwithskin,eyesandrespiratorytract.Fentonreactionisproventobeanefficientoxidationprocessfororganicpollutantsinpreviousliteratures,duetothefactthatferroussaltiswidelyavailable,non-toxicandrelativecheapandthattheendproductisenvironmentallybenign.Thehydroxylradical(∙OH)istheactivespeciestodegradetargetcompoundsinFentonreaction.However,therapiddepletionandslowregenerationofferrousionsthroughoutthereactionisoneofthemaindrawbacksinclassicalFentonprocess(Fe2++H2O2→Fe3++OH−+∙OH).Inthephoto-Fentonandelectro-Fentonprocess,thecatalyticreactionispropagatedbyFe(Ⅱ)regenerationtoovercomethedrawbackinclassicalFentonprocess.Materials摘要：以有机染料罗丹明B为目标污染