CASSMBR工艺在人造板厂废水处理工程中的应用何家宁

CASS/MBR1222221．6500932．65003350m3、SS、、COD160～200mg/L、BOD580～100mg/L、SS200～250mg/LCASS/MBR《》GB18918—2002A。、。200．92/m35。CASS/MBRX703C1000－4602201124－0082－04ApplicationofCASS/MBRProcesstoWood-basedPanelFactoryWastewaterTreatmentProjectHEJia-ning1YANGLi-fang2WANGHao2ZHENGJian-ping2XUJing2ZOUYa-ling21．FacultyofMechanicalandElectricalEngineeringKunmingUniversityofScienceandTechnologyKunming650093China2．FacultyofEnvironmentalEngineeringKunmingMetallurgyCollegeKunming650033ChinaAbstractKunmingChaoguanWood-basedPanelFactoryislocatednearthenationallandscapeandfamousscenery．Only50m3wastewaterisdischargedfromthisfactoryeverydaybutitscompositioniscomplexcontainingcelluloseSSdissolvedorganicpollutantsandsoon．CODBOD5andSSare160to200mg/L80to100mg/Land200to250mg/Lrespectively．AfterbeingtreatedbyCASS/MBRprocesstheeffluentqualitycanmeetthefirstlevelAcriteriaspecifiedintheDischargeStandardofPol-lutantsforMunicipalWastewaterTreatmentPlantGB18918－2002．Thisprojectisacceptedbytheenvironmentalprotectiondepartmentandoperatesstably．Theeffluentisreusedascoolingwaterandgreeningwater．Thisprojectinvestmentis200000yuananditsoperationcostis0．92yuan/m3．Afterthetreatedwaterisreusedthewatercostof50000yuanperyearissaved．Keywordswood-basedpanelfactorywastewaterCASS/MBRprocesscoolingwatergreeningwater、、50m3/d。、。COD160～200mg/L、BOD580～100mg/L、SS200～250mg/L。、、50m3/d·28·2724201112CHINAWATER＆WASTEWATERVol．27No．24Dec．2011。1、1.1①、②、③、。1.2《》GB/T18920—2002、《》GB50050—19955《》GB18918—2002A。1.3、Cl－、SO2－470%、。1。1Fig．1Flowchartofwastewatertreatmentprocess22.1CASSMBR①CASS1CASS。2mg/L20%。、。。。②MBR、、、2～5、。、、、、、、。a．90%。MBR。。、、。、、、、·38·．watergasheat．comCASS/MBR2724、、。MBR、、、。MBRCOD、BOD5、SS95%、98%99%。b．、。HRTSRT。。c．。。、、。2.21。1Tab．1Designparametersofprimaryconstructions/m×m×m1．8×1．2×2．5、3．0×1．8×2．5、MBR4．2×1．8×2．5、4．2×2．4×2．5、①JS150SVCASS。PLC。PLC30min2min。HRT=2．5h。②MBRCASSMBRMBRMBR140m2MBR、、。PLC。。MBRHRT=6．5h。③PLC30min2min。320097182。。2Tab．2EffluentqualitydeterminationresultspHCOD/mg·L－1BOD5/mg·L－1SS/mg·L－1/mg·L－1/mg·L－1LAS/mg·L－1//·L－110137．20160852021．2020．750．655522010217．13120．8480．324．600．4254011217．24180．8770．304．530．4252012217．18160．876．40．314．450．4174015．330．867．130．314．530．426336～9＜50＜10＜100．550．5302000·48·2724．watergasheat．com44.1204000/m3。①5g/m30．25kg1．30/kg0．33/m3。②2．7kW51．35kW·h/d0．50/kW·h25．68/d。③1200/·20/d。46．01/d0．92/m3·d。4.250m33．80/m31445．256。5。①MBRMBR。②。、、。1．M．2003．2．M．2007．3．J．20[e-mail]2011－05－26·58·．watergasheat．comCASS/MBR2724