低温期土地处理系统处理农村生活污水中试研究郭一令

1Fig.1Flowchartofwastewatertreatment

 。、。、、PVC[1]。、、。、、[2]。11.111[3]。××=6.7m×6m×4.4m7.5m×0.3m×1m7.5m×1m×4.5m27.5m×2.76m×4.5m3m×3m×5.4m。。1.22。DN75UPVC1550160150067.029181.071Tab.1Thepilotprojectoflandtreatmentsystem//m2//·m-3/m2·m-311222660331.1～9.5℃。COD74.66%COD＜40mg·L-1GB18918－2002BTPNH4+-N37.44%、36.25%。X703.1A1000-3770(2011)04-0[e-mail]2Fig.2Sketchmapoflandtreatmentsystem37420114TECHNOLOGYOFWATERTREATMENTVol.37No.4Apr.,2011121DOI:10.16796/j.cnki.1000-3770.2011.04.0361.0mm1.3m0.7m0.6m。3DN75、。2。1.32。HRT=22.5h1.1～9.5℃pH7.64～8.18。1.4CODNH4+-NTPpHpH[4]。22.1CODCOD3。310℃COD。COD74.66%82.14%COD＜40mg·L-1GB18918－2002B[5]。1.1℃COD73.49%COD。CODCOD[6]。。。2.2TPTP4。42.2℃TP-1.33%6.5℃TP66.89%TP37.44%。TP。TPPP。P、。P、、[7]。。。DPBP。2.35。5NH4+-N23.58%46.98%36.25%NH4+-N。3CODFig.3CODremovalbylandtreatmentsystem
 TPNH4+-N7.64～8.1882.17～147.63.47～5.5835.52～73.472Tab.2InfluentqualitypHCOD/mg·L-1ρ/mg·L-14TPFig.4TPremovalbylandtreatmentsystem

 
5Fig.5NH4+-Nremovalbylandtreatmentsystem

 
374132122STUDYONLANDTREATMENTSYSTEMFORRURALSEWAGETREATMENTINTHEPERIODOFLOWTEMPERATUREGuoYiling1,WangYanshi1,WangSen2,DuJianguang2(SchoolofMunicipalandEnvironmentalEngineering,QingdaoTechnologicalUniversity,Qingdao266033,ChinaAbstract:Usinglandtreatmentsystemtoprocesstheruralsewage,andthepollutantsremovalefficiencywasinvestigatedatlowtemperature(1.1~9.5℃).Theexperimentalresultsshowthat,theeffectoflowtemperatureonCODremovalislessobvious,astheCODremovalrateis74.66%,theeffluentCODislessthan40mg·L-1,whichsatisfiesthefirstlevelBcriteriaspecifiedintheDischargestandardofpollutantsformunicipalwastewatertreatmentplant(GB18918－2002).ThelowtemperaturehasanotableeffectontheremovalofTPandNH4+-N,andtheaverageremovalratesofTPandNH4+-Nare37.44%,36.25%respectively.Keywords:landtreatment;sewagetreatment;lowtemperature;ruralsewage5171.530.85·m-3。300t2.99·t-189732.74。6GB/T18920-2002。、、、。[1],,,.A/O[J].,2006,37(2):31-33.[2],.[J].,2008,34(1):186-187.TREATMENTOFEXPRESSWAYSERVICESEWAGEBYCOMPOSITEA/O+FILTRATIONANDDISINFECTIONZhangLei1ZhangYanqiu1YeYangyang2ChinaUniversityofMiningandTechnology,JiangsuKeyLaboratoryofResourcesandEnvironmentalInformationEngineering,Xuzhou221116,China;2.JiangsuProvincialAcademyofEnvironmentalSciences,Nanjing210036)Abstract:ThesewageofhighwayserviceareawastreatedbycompositeA/Obiologicaloxidation+filtrationanddisinfectionprocess.Effluentqualitymetthedemandofurbanwastewaterreuseforurbanmiscellaneouswaterquality(GB/T18920-2002)standardswhichnotonlymeettherecyclingrequirementsbuthavegoodeconomicandsocialbenefits.Keywords:highwayservicearea;wastewatertreatment;compositeA/O;filtrationanddisinfection374!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!NH4+-N、、。NH4+-NNH4+-N。3COD＜40mg·L-1GB18918－2002B。COD。TPNH4+-N。[1],.[M].2008,36(19):8267-8269.[2].[J].,2005,24(2):39-43.[3],,,.[J].,2009(10):59-62.[4]《》.[M].4.:,2002.[5]GB18918－2002[S].[6].[M].:,1998:63.[7],.[M].:,2004:613.122132