第37卷第6期2023年11月天津化工TianjinChemicalIndustryVol.37No.6Nov.2023钴铝铁三元类水滑石复合物活化PMS降解盐酸四环素徐晨，黄愉，陆宣郦，唐雅琳，徐丁一，朱友莲，魏光涛（广西大学化学化工学院，广西南宁530004）摘要：本文基于赤泥中的铁和铝组分，以赤泥为铁源与铝源，六水氯化钻为钻源，采用共沉淀法制备钻铝铁三元类水滑石材料（CoAIFe-LDHs），用于活化过硫酸氢钾复合盐（PMS)降解盐酸四环素(TC-HCI),考察了PMS投加量、CoAIFe-LDHs催化剂投加量、初始pH值及TC-HCl初始质量浓度对TC-HCl降解效果的影响。实验结果表明,在PMS物质的量浓度为0.75mmol/L、CoAIFe-LDHs催化剂投加量为0.20g/L、初始pH值为5.5、TC-HCl初始质量浓度为0.02g/L的条件下,CoAIFe-LDHs对TC-HCl具有良好的降解效果,20min后TC-HCl的降解率可达97.6%。关键词：钻铝铁三元类水滑石；过硫酸氢钾复合盐；盐酸四环素doi:10.3969/j.issn.1008-1267.2023.06.012中图分类号：TQ042文献标志码：A文章编号:1008-1267(2023)06-0040-05DegradationoftetracyclinehydrochloridebyPMSactivatedwithcobalt-aluminium-ironternaryhydrotalcite-likecompoundsXUChen,HUANGYu,LUXuanli,TANGYalin,XUDingyi,ZHUYoulian,WEIGuangtao(Schoolofchemistryandchemicalengineering,GuangxiUniversity,NanningGuangxi530004)Abstract:Inthisexperiment,cobalt-aluminium-ironternaryhydrotalcite-likecompound(CoAIFe-LDHs)waspreparedbycoprecipitationmethodwithredmud(RM)asironsourceandaluminumsource,andcobaltchloridehexahydrateascobaltsource.CoAIFe-LDHswasusedasanactivatorofperoxymonosulfate(PMS)todegradetetracyclinehydrochloride(TC-HCI).TheinfluencesofPMSdosage,CoAIFe-LDHsdosage,initialpHandinitialTC-HClconcentrationonthedegradationofTC-HClwereinvestigated.TheexperimentalresultsshowedthatwhenthePMSconcentrationwas0.75mmol/L,thedosageofcatalystwas0.20g/L,pHwas5.5andtheconcentrationofTC-HClwasO.02mg/L,CoAIFe-LDHsshowedgooddegradationeffectofTC-HCl,andthedegradationrationofTC-HClat20minwas97.6%.Keywords:cobalt-aluminium-ironternaryhydrotalcite-likecompounds;peroxymonosulfate;tetracyclinehydrochloride如今世界范围内水体中四环素类抗生素物质的广泛存在给人类公共健康造成了严重的威胁叫，四环素类抗生素在无外界干扰情况下仅靠自身进...
