两级UASB反应器处理垃圾渗滤液的试验研究
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2020-04-09 14:20:58
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第38卷第9期2018年9月工业水处理IndustrialWaterTreatmentVol.38No.9Sep.!2018两级UASB反应器处理垃圾渗滤液的试验研究王晓艳,买文宁,郜白路(郑州大学水利与环境学院,河南郑州450001)[摘要]以垃圾焚烧厂渗滤液为处理对象,采用两级上流式厌氧污泥床(UASB),研究两级UASB反应器的启动、废水处理效果及反应器内VFA、pH和钙镁含量的变化。结果表明:反应器经过1100的启动运行,进水COD达到54274~56840mg/L,一级反应器容积负荷为12.7~13.3kgCOD/(m-0),二级反应器容积负荷为2.0~4.5kgCOD/(m-0),COD整体91.8%~95.0%;两级UASB厌氧氨氧化和反硝化的协同作用,对氨氮的去除率为25%左右;进水中的颗粒污泥中,二级反应器内相对较少。[关键词]垃圾渗滤液;UASB;反应器的启动;厌氧氨氧化[中图分类号]X703.1[文献标识码]A[文章编号]1005-829X(2018)09-0072-04Experimentalresearchonthetreatmentoflandfillleachatebythetwo-stageUASBreactorsWangXiaoyan,MaiWenning,Gaobailu(CollegeofWaterConservancyandEnvironment,ZhengzhouUniversity,Zhengzhou450001,China)Abstract:Usingthelandfillleachateofagarbageincineratorplantasthetreatmenttarget,thestart-up,wastewatertreatmenteffectand,changesofYFA,pH,calciumandmagnesiumcontentsinthetwo-stageupflowanaerobicsludgeblanket(UASB)reactorshavebeeninvestigated.Theresultsshowthatafterthereactorhasbeenoperatedfor110d,theinfluentCODconcentrationreaches54274-56840mg/L,thevolumeloadofthefirstreactoris12.7-13.3kgCOD/(m$d);andthevolumeloadofthesecondreactoris2.0-4.5kgCOD/(m3.d),theremovingrateofthewholeCODis91.8%-95.0%.WhensynergeticactionofanaerobicammoniaoxidationanddenitrificationexistsinthetwostagesofUASBreactors,theremovingrateofNH3-Nisabout25%.Theinfluentcalciumandmagnesiumionsmainlydepositonthegranularsludgeofthefirstreactor;whilethatofthesecondreactoriscomparablyless.Keywords:landfillleachate;UASB;start-upofreactor;anaerobicammoniaoxidation[基金项目]国家水体污染控制与治理科技重大专项(2017ZX07602-001-001)terReuse&Desalination,2016,6(4):119-119.%5&任武昂,金鹏康,石彦丽.污水处理工艺过程中有机物特性研究[J].水处理技术,2014,40(11):43-47.[6]牟建.紫外光谱法测定苯酚与苯胺和对苯二酚[J].环境科学与技术,2011,34(6):249-252.[7]曾凤,霍守亮,席北斗,等.猪场废水厌氧消化液后处理过程中DOM变化特征[J].环境科学,2011,2(6):1687-1695.[8]胡春明,张远,于涛,等.太湖典型湖区水体溶解有机质的光谱学特征[J].光谱学与光谱分析,2011,31(11):3022-3025.[9]StrobelBW,HcbH,BorggaardOK,etal.CompositionandreactivityofDOCinforestfloorsoilsolutionsinrelationtotreespeciesandsoiltype[J].Biogeochemistry,2001,56(1):1-26.[10]PeuravuoriJ,PihlajaK.Isol
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