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当前位置:首页 > 商业/管理/HR > 质量控制/管理 > 规模化养猪场废水处理工艺的研究杨朝晖
3 ,.SBR.,1996.14(6):8~11.4 .-.,1998.(6):19~21. 5 .———.,1997.(9):18~19.6 ..,1999.20(2):45~48.7 ..:,1997.2.8 ()..:,1996.6. ,,196210,1984。,。,8,30。2002-03-09*杨朝晖 曾光明 陈信常 杨 霞(,410082) 养猪场排放的大量废水,大多未经妥善回收利用与处理即直接排放,对环境造成严重的污染。针对养猪场废水有机物浓度高,氨氮浓度高、恶臭严重的特点,提出了沉淀-UASB-SBR工艺处理养猪场废水,结果证明,经该工艺处理后,废水中的氨氮、BOD5、CODCr等指标均能达到排放标准。 养猪场废水 NH3-N CODCr UASB SBR *2000。1 、,,,、,。,[1~4]。2 2.1 工艺路线,、[5~8],,。[9~11],。 2.2 试验用水水质,4,,1。1 mgL(pH)CODCrBOD5SSNH3-NpH12000~180005000~100008000~13000700~11008400160220606~9:。3 UASB3.1 UASB反应器的启动和颗粒污泥的培养UASB,。。,,20%、40%、60%、80%、100%5,CODCr,CODCrCODCr70%10d,。CODCr8~10kgm3·d,CODCr70%~85%。,,,1.0~5.0mm。、19 200212206DOI:10.13205/j.hjgc.2002.06.006UASB[12~14]。3.2 影响UASB处理效果的因素3.2.1 pHpHUASB、。,pH6.8~7.2,,,,pH,VFA()。pH6.2,6.5。,2~3d,pH6.8~7.5。3.2.2 ,UASB,,,,。,,。,,SS。30%~35%SS25%~30%BOD5CODCr。3.2.3 ,20~25℃,20~25℃,,,UASB,。3.2.4 、,,,。UASB2。2 UASBmg·L-1mg·L-1%CODCr9037~160161910~326870~85BOD53000~69801064~173265~804 SBR4.1 污泥培养与驯化SBR,,,,、2,25d,,15d,,[15~17]。14h1。,,,2,,(CODCr)2.8~4.0kgm3·d。4.2 SBR工艺最佳工况的确定SBR:(CODCr400mgL;BOD5200mgL;NH3-N60mgL;SS200mgL),(、),、。4.2.1 SBR、3。,,;;。,,。,SBR,,。,1L,60min。4.2.2 ,、2。DO。8h,DO1mgL,。,DO120min2mgL,。4.2.3 ,180min,N2。,180min。4.2.4 20 200212206SBR,。,,;,。50min,SS,。,60min。SBR,,。SBR3。4。4,CODCr,1910mgL3268mgL,SBR,CODCr,400mgL,CODCr85%~95%,SBRCODCr;NH3-N95%~98%。3 SRBh,1.0,4.03.0,4.0SS1.0,1.04 SBRmg·L-1mg·L-1%CODCr1910~3268186~41285~95BOD51064~173278~14682~92NH3-N607~94820~6095~985 (1)-UASB-SBR:25%~30%CODCrBOD5;UASBCODCr70%~85%BOD565%~80%;SBRCODCr85%~90%,BOD582%~92%,NH3-N95%~98%;,CODCr186~412mgL,BOD578~146mgL,NH3-N20~60mgL,。(2),,,SBR2,,,。(3)SBR,NH3-N95%;SBRCODCr,。1 ,..,1999.(2):32~34.2 ..,1996.(1):27.3 ..,1997.29.4 ...:,1993.119.5 ..,1991.(3):26~29.6 .SBR.,2000.18(1):8~11.7 ..,1998.6:37~41.8 .,.,1996.14(3):30~32.9 ..,1999.17(3):17~19.10 P.A.Wilderer.SequencingBatchReactorTechnology.WaterScience&Technology,1997.35.11 R.Cintoli.AmmoniumuptakebyzeoliteandtreatmentinUASBreactorofpiggerywastewater.WaterScienceandTechnology.1995.32(12):73~81.12 ..:,1999.13 .———.:,1999.14 ..:,1993.15 .SBR.,1998.6(2):35~39.16 .SBR.,1999.7(6):38~39.17 ..,2000.18(5):12~15. ,,19639,,,,1983,。2002-04-2021 200212206STUDYONTHEDISPOSALTECHNOLOGYOFPIGGERYWASTEWATERYangChaohuietal(19)…………………………………………………………………………………………………………………………………………Abstract Alargeamountofwastewaterfrompiggeryfarmismostlydischargeddirectlywithoutappropriaterecycleandtreatment,whichcanbringaboutaseriouspollutiontotheenvironment.Thispaperintroduceadisposaltechnologyofpiggerywastewater,thatissedimentation-UASB-SBRprocess.Theresultsofthetestprovethataftertreatmentbytheprocess,theindexesofNH3-N,BOD5,CODCrinpiggerywastewaterareuptothedischargestandards.Keywords piggerywastewater,NH3-N,CODCr,UASBandSBRSTUDYONSUSPENDEDCHAINAERATINGSYSTEMANDRELEVANTTECHNOLOGYWangTaoetal(22)…………………………………………………………………………………………………………………………Abstract Aerationtechnologyandequipmentarealwaysthecorepartofactivatedsludgeprocess.Butnowaerationequipmentexistsmanydeficiencies,whichproducegreatimpactonefect.Asuspendedchainaeratingsystemsolvestheproblemsthatpuzzleusforalongtime.Thispaperanalyzesequipmentcharacteristic,technologycharacteristic,economicresultsofthesuspendedchainaeratingsystem.Throughalong-termresearches,awaytobuildlowinvestmentandhighefficiencysewageplantinourcountryisprovided,whichmakesitpossibletoincreasesewagetreatmentefficiencyinashorttime.Keywords suspendedchain,movingaeration,fixingaeration,microporeaeration,delayedaerationandmultistageAODESIGNOFADROPAERATION-MODIFIEDFILLER(FILTERINGMEDIUM)DRAINAGESYSTEMFORTREATINGSLAUGTERHOUSEWASTEWATERJiangXiangshan(25)……………………Abstract Theoriginaldrainagesystemforaslauthterhouseismodifiedandrenovated,whichhasbecomeanewtypedrainagesystemforsedimentating,oxidatingbyaprocessofanaerobic-aerobicbiocontactandfilteringtheslaughterhousewastewater,whosedischargeisuptothestandards.Keywords dropaeration,modifieddrainagesystem,treatmentandslaughterhousewastewasterSTUDYONSEMI-DRYSUSPENSIONFGDOFDICYCLICFLUIDIZEDBEDANDITSENGINEERINGPRACTICEMaChunyuanetal(27)………………………………………………………………………Abstract Adeviceofsemi-drysuspensionFGDofdicyclicfluidizedbedisproposed,whosesmallsizedpilottestandindustrialdemonstrationhavebeenfinished.Itisindicatedbytheengineeringpracticethatthedesulphurationefficiencyoftheprocessis92%andcanfittedfavorablewithanelectrostaticprecipitator.Keywords desulphuration,two-circulation,fluidizedbeandsemi-dryprocessDYNAMICFILTRATIONOFFIBROUSFILTERXiangXiaodongetal(31)………………………………………Abstract Thebasicfiltrationtheoryofthefibrousfilterisfirstlyintroducedinordertodiscussthedynamicfiltrationofthefibrousfilter.Inthelightofthephenomenonofthedustlayerfiltration,anewdynamicfiltrationefficiencymodelofthedustlayeronfiltersurfaceisdevelopedbythegranularbedfiltrationtheory.Thecomparisoninvestigationhasshownthatthisnewmodelcanrevealthepatternofthedynamicfiltrationprocessesdeeply.Keywords fibrousfilter,surfacefiltration,dynamicfiltration,granulaanddedustingefficiencyINFLUENCESOFOPERATINGPARAMETERSONTHEPERFORMANCEOFSEMI-DRYPROCESSFLUEGASDESULFU
本文标题:规模化养猪场废水处理工艺的研究杨朝晖
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