广东化工2023年第4期·166·www.gdchem.com第50卷总第486期垃圾渗滤液全量化处理工程应用研究雒鑫伟,唐军,王丹,郑颖(重庆市环卫集团有限公司,重庆401120)[摘要]重庆市某生活垃圾渗滤液污水处理厂,处理规模400m3/d,采用全量化处理工艺,预处理段采用“调节池+生化+MBR膜反应器+纳滤+(STRO)”工艺,浓缩液段采用“混凝沉淀+深度氧化+活性炭吸附工艺”,出水要求达到《生活垃圾填埋污染物控制标准》(GB16889-2008)表2排放标准限值。通过工程实际应用分析该系统处理效果,结果表明,系统处理效果COD平均去除率为99.43%,氨氮为98.55%,TN为98.40%,SS为99.00%,处理效果稳定。其中COD去除率贡献最大的工艺段为硝化+超滤反应段,浓缩液减量化处理段对COD去除率达90%以上。[关键词]垃圾;渗滤液;全量化处理;浓缩液;工程应用[中图分类号]X703[文献标识码]A[文章编号]1007-1865(2023)04-0166-03ResearchonEngineeringApplicationofFullQuantitativeTreatmentofLandfillLeachateLuoXinwei,TangJun,WangDan,ZhengYing(ChongqingEnvironmentalSanitationGroupCo.,Ltd.,Chongqing401120,China)Abstract:AdomesticwasteleachatesewagetreatmentplantinChongqing,withatreatmentcapacityof400m3/d,adoptsthefullquantitativetreatmentprocess.Thepretreatmentsectionadoptstheprocessof“Regulatingtank+Biochemistry+Membranereactor+Nanofiltration+(STRO)”andtheconcentratedliquidsectionadoptstheprocessof“Coagulationsedimentation+Deepoxidation+Activatedcarbonadsorption”.TheeffluentisrequiredtomeettheemissionstandardlimitsinTable2ofthestandardforthecontrolofpollutantsindomesticwastelandfills(GB16889-2008).Throughthepracticalapplicationoftheproject,thetreatmenteffectofthesystemisanalyzed.TheresultsshowthattheaverageremovalrateofCOD,ammonianitrogen,TNandSSis99.43%,98.55%,98.40%and99.00%,respectively.Thetreatmenteffectisstable.Amongthem,theprocesssectionwiththelargestcontributiontotheCODremovalrateisthenitrification+ultrafiltrationreactionsection,andtheconcentratedsolutionreductiontreatmentsectionhasaCODremovalrateofmorethan90%.Keywords:garbage;leachate;fullquantification;concentratedliquid;engineeringapplication1前言目前,针对城市生活垃圾的处理,无论采用直接焚烧发电还...