资源描述：
《序批式反应器处理工业废水的牛奶生物膜系统》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、序批式反应器处理工业废水的牛奶生物膜系统SequencingbatchreactorbiofilmsystemfortreatmentofmilkindustrywastewaterSuntudSirianuntapiboona,*,NarumonJeeyachokb,RarintornLarplaiaaDivisionofEnvironmentalTechnology,SchoolofEnergyandMaterials,KingMongkut’sUniversityofTechnologyThonburi(KMUTT),Thungkru
2、,Bangmod,Bangkok10140,ThailandbDivisionofBiochemicalTechnology,SchoolofBioresourcesandTechnology,KingMongkut’sUniversityofTechnologyThonburi,Thungkru,Bangmod,Bangkok10140,ThailandReceived22October2003;revised27November2004;accepted19January2005Availableonline21April2005Abs
3、tractAsequencingbatchreactorbiofilm(MSBR)systemwasmodifiedfromtheconventionalsequencingbatchreactor(SBR)systembyinstalling2.7m2surfaceareaofplasticmediaonthebottomofthereactortoincreasethesystemefficiencyandbio-sludgequalitybyincreasingthebio-sludgeinthesystem.TheCOD,BOD5,
4、totalkjeldahlnitrogen(TKN)andoil&greaseremovalefficienciesoftheMSBRsystem,underahighorganicloadingof1340gBOD5/m3d,were89.3G0.1,83.0G0.2,59.4G0.8,and82.4G0.4%,respectively,whiletheywereonly87.0G0.2,79.9G0.3,48.7G1.7and79.3G10%,respectively,intheconventionalSBRsystem.Theamou
5、ntofexcessbio-sludgeintheMSBRsystemwasabout3timeslowerthanthatintheconventionalSBRsystem.Thesludgevolumeindex(SVI)oftheMSBRsystemwaslowerthan100ml/gunderanorganicloadingofupto1340gBOD5/m3d.However,theMSBRunderanorganicloadingof680gBOD5/m3dgavethehighestCOD,BOD5,TKNandoil&g
6、reaseremovalefficienciesof97.9G0.0,97.9G0.1,79.3G1.0and94.8G0.5%,respectively,withoutanyexcessbio-sludgewaste.TheSVIofsuspendedbio-sludgeintheMSBRsystemwasonly44G3.4ml/gunderanorganicloadingof680gBOD5/m3d.q2005ElsevierLtd.Allrightsreserved.Keywords:Sequencingbatchreactor(S
7、BR);Bio-film;Milkindustrywastewater;Excessbio-sludge1.IntroductionTheannuallyincreasingmilkconsumptioninThailandhasdemandedanincreaseinmilkproductionresultinginanincreasingamountofindustrialwastewater(DepartmentofIndustrialWorks,2001,Informationcenter).Milkindustrywastewat
8、ercontainshighconcentrationsofCOD,BOD5andTKNofupto11,000,5900and720mg/l,respectively(Vira
