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ResearchonthesludgereductioneffectaccordingtotheBFbiologicalfillerLiXun1,OuyangWenjing2,FuBing3,LiuJingming3,XuYan3,ZhangJieshang3(1.SchoolofChemistryandBiology,BeihuaUniversity,Jilin132013,China;2.JilinInstituteofChemicalEngineering,Jilin132022,China;3.NortheastElectricPowerUniversity,ChemicalEngineeringInstitute,Jilin132012,China)BF1,2,3,3,3,3(1.,132013;2.,132022;3.,132012)[],BF—,。:89.5%,CODCr。[];;;[]X703[]B[]1005-829X(2008)08-0062-03Abstract:Inordertodecreasethesurplusamountofsludgefromtheprocessofwastewatertreatmentbyactivatedsludgemethod.BFbiologicalfillerhasbeenusedinaerobicandanaerobictechnologytoformacomplexbiologicaloxidizingpond.Pilottestonthesludgereductioneffecthasbeendone.Theresultsshowthat89.5%ofsurplussludgeisdecreased.RemovalratesofCODCrandotherindexedareprettyhigh.Keywords:wastewatertreatment;biologicalfiller;biologicalcontactoxidation;sludgereduction92%,,0.3%~0.5%(97%)〔1〕。,,。、。:、、——、。:、、、。,,、;——CAS,,,,,CODCr、、;。2:(1),、,;(2),。。Biofringe(BF),。BF,,;,,MLSS20g/L。BF、、、,。,2812200812IndustrialWaterTreatmentVol.28No.12Dec.,200862,。11.1—,,,。1。,A1,DO0.2mg/L,O1,,DO3mg/L。O1O2。O2,。A1。A1O12。1.2,CODCr580~620mg/L。,CODCr、DO、MLSS、MLVSS、pH。1。1.3,1/2,,24h,15h。0.8m3/h、CODCr0.54kg/(m3·d)。2A1、A2、O1、O2。,,,。A1,,A1,A1,,,,A1。、,。,,MLSS、MLVSS,,24hA1。,。A1MLSS3。3,1~13,A1MLSS,13,MLSS17.788g/L10.021g/L。14,A1,20,MLSS2BF,:BF2008-12,28(12)1CODCrDO(Oxi-330)MLSSMLVSSpHpH(pHSJ-4A)10864201510152025/A1MLSS/(g·h-1)MLSS/(g·L-1)3A1MLSS639.149g/L,,A1MLSS8.70g/L。3,,54.207g/h5.538g/h,,25,2.076g/h。,A1,A1MLSS、3。A1、A2MLVSS/MLSS4。MLSS,MLVSS/MLSS〔3〕。4,A1MLVSS/MLSS0.7259,6,,0.5864;A2MLVSS/MLSS,0.67030.5795。A2MLVSS/MLSSA1MLVSS/MLSS,A1,A2,A2。CODCr5。5,A1CODCr1~13,15CODCr470mg/L,。17,CODCr350~370mg/L。,A1MLSS,CODCr,A1,A1。A2CODCr,285~315mg/L,A2,,A1。A2,,A2MLVSS/MLSS。CODCr1~6,,,1970mg/L,70mg/L。A2,O,O,O。A1(1):=(-A1)/×100%(1),6,100mLMLSS,,(1)689.5%,。〔2〕、〔3〕,;CODCrSS,26%。,BF。,BF,,,。,BF—,MLSS,,(69)2008-12,28(12)0.80.70.60.50A1A2MLVSS/MLSS/(g·g-1)1510152025/4A1、A2MLVSS/MLSS50040030020010001510152025A1A2/CODCr/(mg·L-1)5CODCr64!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!,(COD1.5×104~1.8×104mg/L,1500~1800mg/L),,pH,,。6。3(1)NDA-99。(2)NDA-99-:pH4.0,40mL/h,300mL/;50℃10mL8%NaOH+10mL4%NaOH+20mL,10mL/h。1010mL,。(3)1380mg/L12mg/L,COD15500mg/L650mg/L。(4),—,。[][1],.[J].,2004,24(3):9-11.[2],,,.[J].,2005,24(2):42-47.[3].[J].,1998,18(2):4-6.[4].[M].3.:,1989:254-410.[](1974—),2004,,,。:0315-2592148,E-mail:weiruixia_888273@sohu.com。[]2008-09-22(),。4(1),,BF。(2)A10.8m3/h、CODCr0.54kg/(m3·d)6,89.5%。(3),A2,。(4)CODCr,CODCr86.8%。,,,、,。[][1]LuxmyBS,KuboT,YamamotoK.Sludgereductionpotentialofmetazoainmembranebioreactors[J].Wat.Sci.Tech.,2001,44(10):197-202.[2]AbbassiB,DullsteinS,R覿bigerN.Minimizationofexcesssludgeproductionbyincreaseofoxygenconcentrationinactivatedsludgeflocs;experimentalandtheoreticalapproach[J].WaterResearch,2000,34(1):139-146.[3],.“”[J].,1996,15(8):40-41.[](1958—),1989,。:13844615878。[]2008-09-16()(64),:2008-12,28(12)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!《》。(、、、)、。《》4,,240。:30013185,:,:022-26689330。。··pH669
本文标题:BF生物填料污泥减量效果试验研究李洵
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