城市污泥生物干化的研究进展与展望

郭松林1,陈同斌1,高定1,郑国砥1,陈俊1,张军1,杜伟2(1.中国科学院地理科学与资源研究所环境修复中心,北京100101;2.北京中科博联环境工程有限公司,北京100080):城市污泥生物干化技术利用微生物高温好氧发酵过程中有机物降解所产生的生物能,配合强制通风促进水分的蒸发去除,从而实现污泥快速干化干化过程受物料特性堆体环境以及通风策略的影响,实时在线监测和反馈控制有利于提高生物干化效果与热干化相比,生物干化具有投资低设备运行稳定能耗和运行成本低产品用途灵活等优点:城市污泥;生物干化;热干化;好氧堆肥:X703:B:1000-4602(2010)15-0102-04ResearchProgressandProspectofSewageSludgeBiodryingGUOSonglin1,CHENTongbin1,GAODing1,ZHENGGuodi1,CHENJun1,ZHANGJun1,DUWei2(1.CenterforEnvironmentalRemediation,InstituteofGeographicSciencesandNaturalResourcesResearch,ChineseAcademyofSciences,Beijing100101,China;2.BeijingGreenTechEnvironmentalEngineeringCompany,Beijing100080,China)Abstract:Sewagesludgebiodryingusesthebioenergyproducedbybiodegradationoforganicsinthermophilicaerobicfermentationofmicroorganisms.Accompaniedwithforcedaeration,thewatercanevaporateeasilytoachievefastdryingofsewagesludge.Theprocessofbiodryingisinfluencedbythecharacterofmateria,ltheenvironmentinpileandtheventilationstrategy,sorealtimeonlinemonitoringandfeedbackcontrolarefavorabletoimprovetheeffectofbiodrying.Comparedwiththermaldrying,biodryinghastheadvantagesoflessinvestmen,tmorestableequipmentoperation,lowerenergyconsumptionandoperationcos,tandmoreflexibleproductapplications.Keywords:sewagesludge;biodrying;thermaldrying;aerobiccomposting:(863)(2009AA064703);(2006BAD25B03),80%,,;;,,,,102第26卷第15期2010年8月中国给水排水CHINAWATER&WASTEWATERVo.l26No.15Aug.2010,,,,,,,,,1生物干化概述11Jewell1984,,,:,,,,,,(),,,,,12,,,(70%)(30%),,,,,[12],,,:,,,55,70,,,,,,13,,131Tab.1Comparisonamongthermaldrying,aerobiccompostingandbiodrying,1~2h,20~35d,7~16d,,(230~280/t),(80~100/t),(60~80/t),,,,(15~20kWh),(10~15kWh);,CTB[3]CTB,10%,35%~45%,,35%,103郭松林,等:城市污泥生物干化的研究进展与展望第26卷第15期,,,,(),,,(),;,,,,,,,,,1/3~1/2,,[4]2生物干化影响因素,(C/N)();,21,,,,,,,,,,,,(20~40)(40~65),,,[5],,,,,,,22,,45%,[6],,,,,,,,,[7],,50%~60%23,,NavaeeArdeh[8],(120m3/h),(7d)(40%104第26卷第15期中国给水排水),,,,,3生物干化的应用及展望,,()CTB/,-,,()(),20096,CTB()200t,,,,,80%,,,,,,,,,;,(),,:[1],.[J].,2002,28(1):16-19.[2],,,.[J].,1999,15(6):56-57.[3],,.[J].,2009,(7):56-57.[4],.[J].,2008,20(4):67-70.[5]AdaniF,BaidoD,CalcaterraE,etal.Theinfluenceofbiomasstemperatureonbiostabilizationbiodryingofmunicipalsolidwaste[J].BioresourTechno,l2002,83(3):173-179.[6]HigginsC,WalkerL.Validationofanewmodelforaerobicorganicsolidsdecomposition:simulationswithsubstratespecifickinetics[J].ProcessBiochem,2001,36(8-9):875-884.[7],.[J].,2004,24(11):2656-2663.[8]NavaeeArdehS,BertrandF,StuartPR.Emergingbiodryingtechnologyforthedryingofpulpandpapermixedsludges[J].DryingTechno,l2006,24(7):863-878.:[phone]E-mail:[e-mail]:2010-03-16105郭松林,等:城市污泥生物干化的研究进展与展望第26卷第15期