EGSB生物接触氧化MBR组合工艺处理养猪废水陈威

EGSB//MBＲ430065CODNH3－N。EGSB//MBＲ。CODNH3－N《》DB44/613—2009。EGSBMBＲX703．1C1000－4602201420－0110－04EGSB/Bio-contactOxidationPond/MBＲCombinedProcessforPiggeryWastewaterTreatmentCHENWeiYUANShu-baoCollegeofUrbanConstructionWuhanUniversityofScienceandTechnologyWuhan430065ChinaAbstractAtenthousandlarge-scalepiggerywastewaterismainlycomposedofpigmanurewastewaterandpigstyrinsewastewaterinGuangdongProvince．TheCODandNH3－Nconcentrationsweresohighthattheconventionalprocessescouldnoteffectivelytreatthepiggerywastewater．AccordingtothecharacteristicsofthewastewaterqualityEGSB/bio-contactoxidationpond/MBＲcombinedprocesswasadopted．ThecommissioningresultsshowedthatthecombinedprocessperformedwelltheremovalratesofCODandNH3－NwerehighandtheeffluentqualitymettheDischargeStandardofPollutantsforLivestockandPoultryBreedingDB44/613－2009ofGuangdongProvince．KeywordspiggerywastewaterEGSBbio-contactoxidationtankMBＲ1100m3/dCODNH3－N1。1、Tab．1Wastewaterqualityanddischargestandard/m3·d－1COD/mg·L－1BOD5/mg·L－1SS/mg·L－1/mg·L－1pH1004000～5000≤2500≤800200～3507～8100≤380≤140≤160≤706～9EGSB//MBＲ《》DB44/613—2009。22.11。、EGSBCH4EGSB·011·3020201410CHINAWATEＲ＆WASTEWATEＲVol．30No．20Oct．2014。MBＲ。MBＲ。MBＲ。EGSB。1Fig．1Flowchartofwastewatertreatmentprocess2.2①1L×B×H6．0m×3．0m×0．7mHＲT=2h1100。②1L×B×H=8．5m×5．0m×3．0mHＲT=24h1。③EGSB13．0m×12．0mHＲT=17h4．0kg/m3·d35℃3．5m/h。④1L×B×H4．0m×1．0m×4．5mHＲT=3h。⑤1L×B×H5．0m×4．0m×4．5mHＲT=18h2．0kg/m3·d。1150mm60m3。⑥MBＲ1L×B×H4．0m×3．0m×4．0mHＲT=7h。MBＲ14．2m3/hMBＲ211Q=5m3/hH=100kPaN=0．75kW2Q=5m3/hH=100kPaN=0．75kW1。⑦1L×B×H2．0m×1．5m×4．0mHＲT=2h。1100g/hN=1kW。⑧1L×B×H2．0m×1．5m×4．0mHＲT=2h。33.1EGSB20133。①EGSBEGSB5t80%EGSB。16g/L60d。3EGSB、、1～3mm。、、34。②5t80%14g/L30、50、70m3。COD、pH、COD50%pH、5d2。COD＞50%。200～300mm·111·．watergasheat．comEGSB//MBＲ3020。100%。3.2①EGSBEGSBCOD4128mg/LCOD1188mg/LCOD71．21%2。2EGSBCODFig．2CODremovalefficiencyinEGSBEGSB+NH3－N3。3EGSB+NH3－NFig．3NH3－NremovalefficiencyinEGSB+Bio-contactoxidationpond1。716．86mg/L171．93mg/L76．02%。②COD1796mg/LCOD839mg/LCOD53．29%4。4CODFig．4CODremovalefficiencyinbio-contactoxidationpond③MBＲMBＲCOD839mg/LCOD170mg/LCOD79．74%。MBＲCOD5。5MBＲCODFig．5CODremovalefficiencyinMBＲMBＲNH3－N171．93mg/LNH3－N58．03mg/L66．35%6NH3－N·211·3020．watergasheat．comMBＲ5。6MBＲNH3－NFig．6NH3－NremovalefficiencyinMBＲMBＲ3MBＲ。0．3%6。④2。220135—7Tab．2OperatingresultsofsystemCOD/mg·L－14128159NH3－N/mg·L－1716．8657．56BOD5/mg·L－11465122SS/mg·L－199784pH8．37．12CODNH3－N96．16%91．97%。《》DB44/613—2009。3.313395．5037．5。。1．43/m30．80/m30．04/m30．16/m32．43/m3。4①。②EGSB。EGSBCOD70%。35℃3．5m/hHＲT17h。③EGSB++MBＲ《》DB44/613—20092．43/m3。1．EGSBJ．200329738－41．2．J．2010261471－73．3．+UASB++J．2013395128－130．4．EGSBJ．200127326－30．5．A/O－MBＲJ．2009351100－103．6．//MBＲJ．2012282292－94．1974－。[e-mail]2014－03－21·311·．watergasheat．comEGSB//MBＲ3020