UASBAO工艺处理马铃薯淀粉废水张秀明

UASB—A/O1231．1500902．1500403．150090UASB—A/O。A。UASBA/OCOD、BOD5、SS99．0%、99．5%99．5%、。UASBA/OX703C1000－4602201114－0078－03CombinedProcessofUASBandA/OforTreatmentofPotatoStarchWastewaterZHANGXiu-ming1HANXue2CHENZhi-qiang31．SongtianGroupCo．Ltd．Harbin150090China2．ForestCollegeNortheastForestryUniversityHarbin150040China3．SchoolofMunicipalandEnvironmentalEngineeringHarbinInstituteofTechnologyHarbin150090ChinaAbstractTheUASB-A/Oprocesswasusedtotreatpotatostarchwastewater．Thestart-upmethodofanaerobicandaerobicreactorsisintroducedtheoperationeffectofvariousreactorsisanalyzedandproblemsneedingattentionduringthecommissioningareproposed．MostofnitrogenammoniainwastewatercanbedegradedbyreturningpartofeffluentfromsedimentationintotheAsection．Theoper-ationoftheprojectshowsthataftertreatmentbyUASBandA/OtheremovalratesofCODBOD5andSSinwastewatercanreach99．0%99．5%and99．5%respectively．Thesystemhasstableoperationandlowtreatmentcost．KeywordspotatostarchwastewaterUASBA/Oreactorstart-uppH、、。COD。1、8—1031×104t。1。1Tab．1WastewaterqualityanddischargestandardspH4～66～9COD/mg·L－112000100SS/mg·L－1200070BOD5/mg·L－1460020NH3－N/mg·L－1800～100015·87·271420117CHINAWATER＆WASTEWATERVol．27No．14Jul．2011、1680m3/d。《》GB8978—1996。22.11。1Fig．1Flowchartofwastewatertreatmentprocess、。COD50%COD12000mg/L。UASBA/O。2.2①。310m3HRT4h。。②。930m321112h。、VFA。③。70m335℃。④UASB。2700m3HRT35h8kgCOD/m3·d。20087300tUASB35℃pH6．8～7．2。7。1kgCOD8000～9000mg/L0．5kgCOD/m3·d0．2m/h1d3～5d0．5kgCOD/m3·d5kgCOD/m3·d。⑤A/O。2100m3HRT30h211。40t3mg/LA0．5mg/LA。pH、、。3①。②UASBpH35℃＞1500mg/LpH6．8～7．20．2m/h。③UASB。42009911—13。2。2、Tab．2InfluentandeffluentqualityandtestresultspHSS/mg·L－1BOD5/mg·L－1COD/mg·L－1UASBA/O1112135．04132073251131214327．0243121432495．12142070301112512867．1232151286465．07139072501120713587．153014135843·97·．watergasheat．comUASB—A/O27145①。1680m32287．08kW·h/d0．65/kW·hE1=0．89/m3E2=0．09/m3800/·PAM0．1kg/m31%～2%E3=0．01/m3PAM20000/t0．99/m3。②。1t10m34t/d8000/t4～5t。COD2389t/aBOD5921．3t/aSS131t/aNH3－N55．44t/a。6UASB—A/OCOD、BOD5、SS95%、99．3%、97．9%《》GB8978—1996。1．UASB—A/OJ．2008241057－59．2．UASB—J．200834961－63．3．J．201115－7．4．J．200829123445－3449．5．J．20103611[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2010－11－25771．J．20052545－8．2．EGSBDMFJ．200727730－32．3．EGSBJ．2008374262－288．4．EGSB－A/OJ．20102610116－118．5．EGSB－A/OJ．200929981－83．6．J．200018617－1836．7．J．[e-mail]2010－12－16·08·2714．watergasheat．com