2023年第16期广东化工第50卷总第498期www.gdchem.com·103·不同类型钝化剂在镉污染农田安全利用上的效果与阻控机理研究进展聂达涛，杨亦凡，黄彩兰，李观毅，毛小云*(广东省农业农村污染治理与环境安全重点实验室，华南农业大学资源环境学院，广东广州510642)[摘要]我国耕地土壤重金属污染形势严峻，其中镉污染农田达2.786×105公顷，占总耕地面积的六分之一，严重威胁区域粮食安全和人体健康。对于轻中度重金属污染农田，施用钝化剂因操作简便、见效快等优点而被广泛使用，成为镉污染农田安全利用的有效手段和近年来的研究热点。本文综述了近年来国内外关于不同类型钝化剂在镉污染农田安全利用上的研究进展，并探讨了未来的研究方向，以期为重金属污染农田的修复和安全利用提供技术研发思路和科学依据。[关键词]钝化剂；农田土壤；镉污染；修复钝化[中图分类号]TQ[文献标识码]A[文章编号]1007-1865(2023)16-0103-03ResearchProgressontheEffectandBlockingMechanismofDifferentTypesofPassivatorsontheSafeUtilizationofCadmium-PollutedFarmlandNieDatao,YangYifan,HuangCailan,LiGuanyi,MaoXiaoyun*(GuangdongProvincialKeyLaboratoryofAgriculturalandRuralPollutionControlandEnvironmentalSafety,CollegeofResourcesandEnvironment,SouthChinaAgriculturalUniversity,Guangzhou510642,China)Abstract:ThesituationofheavymetalpollutioninChina'sarablelandisgrim,ofwhichcadmiumpolluted2.786×105hectares,accountingforone-sixthofthetotalcultivatedland,seriouslythreateningregionalfoodsecurityandhumanhealth.Forfarmlandpollutedbylighttomoderateheavymetals,theapplicationofpassivatorshasbeenwidelyusedbecauseofitsadvantagesofsimpleoperationandquickeffect,andhasbecomeaneffectivemeansforthesafeutilizationofcadmium-pollutedfarmlandandaresearchhotspotinrecentyears.Thispaperreviewstherecentresearchprogressofdifferenttypesofpassivatorsonthesafeutilizationofcadmium-pollutedfarmlandathomeandabroad,anddiscussesfutureresearchdirections,inordertoprovidetechnicalresearchideasandscientificbasisfortherestorationandsafeutilizationofheavymetalpollutedfarmland.Keywords:passivator；farmlandsoil；cadmiumcontamination；repairpassivation工业废水、污水灌溉、农药化肥等大量不合理施用等大量人为...
