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MBBR张兴文 杨凤林 马建勇 张捍民(,116012) 万 鹏 何 顺 赵春明(,113102) 用2座体积120m3的移动床生物膜反应器处理抚顺乙烯有限公司厂区的低浓度(CODCr60～80mgL)生活污水,停留时间2.4h,出水通过高效纤维球过滤罐,CODCr降至20mgL,BOD5降至5mgL,SS降至5mgL,氨氮降至1mgL,达到了循环冷却水的回用标准。进水浓度过低,对MBBR挂膜不利,工程中采用外加营养物质的措施后,3d内反应器成功挂膜启动。 移动床生物膜反应器 低浓度污水 水回用1 30t,,2440td。(),。,,,,(MovingBedBiofilmReactorMBBR),,,。MBBR、,,,,,,。MBBR,、[1],,[2]。,[3]。MBBR,,[1]。,:,MBBR,,[5];,、,,[6],,(-40℃),MBBR,、;,MBBR,,,[7],,,。,MBBR,,。2 2.1 小试研究的条件MBBR11L,5L。,,,10mm,8～9mm,,,500m2m3,300m2m3,0.95gcm3(1)。,,,。30%。,,CODCr60mgL。25℃。2.2 小试研究的结果,(2000mgL)24h,,MBBR(HRT)3h,CODCr0.64gL·d;6∶1;(DO)5mgL;1。1CODCr:2d,,,CODCr。3d,CODCr,7d60%,。9d,CODCr,12 200210205DOI:10.13205/j.hjgc.2002.05.0031 MBBRCODCr20d,,0.14gL。MBBR,4.6gg。,,。MBBR,SV3060%。20mgL,SV3030%。,。3 3.1 工程概况3.1.1 1,。,。MBBR,,,MBBR。2 2,1,1MBBR(2),1,1,2,2。,,,。1。3.1.2 ,、,20℃。,100m3hMBBR。MBBR,,2。MBBR5m,5m,6m,120m3,30%。,5∶1,,,4∶1。MBBRHRT2.4h,,。,,,6mm。MBBR,,、。,,100m3h。,,,,,,。1 MBBRm15101241.52.6m45-5--m45344.64m3240250250808203.2 工程调试情况3.2.1 ,2。2 mg·L-1(pH)CODCrBOD5NH4-NSSPO4-PDOpH70±1037±54±11.0±0.550±151.0±0.51.0±0.57.4±1.03.2.2 ,,,,MBBR,。MBBR,,,。MBBR30%,4t,,13 2002102052000mgL,CODCr800mgL。,,48h。,CODCr300mgL,。50m3h5h,,,48h。,15。60m3h。,5d8d,MBBRCODCr。10d,,,,。,,11d13d,MBBR30kg,30kg,。10,0℃。,。14d,,。,。,。,,MBBR。3.3 启动后系统的运行情况,MBBR,MBBR,,100m3L,4∶1,。2,,。,MBBRCODCr3。4。,MBBR,95%。4,,。3。3.4 成本分析168,200173 CODCr4 10,10。4。3 CODCrmg·L-1mg·L-1NH4-Nmg·L-1SSmg·L-1pH40～601036～9100.11317.0～7.42051356.5～7.517±22.0±0.50.11±0.101.5±0.32.0±1.57.1±0.24 ·m30.6kW0.410.250.012kg10.000.060.00250.000.100.013kg6.000.08--0.30--0.100.017m31.80.035m30.040.02:0.94m3。、1t,0.86。,。。4 ,。14 200210205,,CODCr,,。1 ,,..,2000.13(3):47～49.2 HenrikAspegren,UlfNyberg,BengtAndersson.Postdenitrificationinamovingbedbiofilmreactorprocess,Wat.Sci.Tech,1998.38(1):31～38.3 BjornRusten,Chandler.Johnson,SteveDevall.Biologicalpretreatmentofachemicalplantwastewaterinhigh-ratemovingbedbiofilmreactors,Wat.Sci.Tech,1999.39(10):257～264.4 MikeM,RobertP.Innovativemovingbedreactorsolidscontactreaerationprocessforsecondarytreatmentofmunicipalwastewater,Wat.Environ.Res,1998.70(5):1083～1089.5 ,.———.,1999.21(2):42～44.6 ,..:,2000.7 RustenB,KennethN.Downtosize,Wat.Environ.Technolo,1999.11(1):27～33. ,,196828,1990,1993,,。2002-04-08厌氧生物膜法处理聚酯废水投加城市厌氧污泥的启动陆 菁(,213022) 将市政污水处理厂消化池中的厌氧污泥投入处理化工高浓度废水的厌氧反应器中进行厌氧菌的驯化工作,重点研究了在此过程中进、出水CODCr、pH、VFA(挥发性有机酸)、污泥的变化情况及相互联系 聚酯高浓度废水 厌氧生物膜法 厌氧污泥驯化1 7,,90,、PET。1,,,。。2 (EG)(PTA),(PET)。CODCr,,,1。1 2.1 厌氧生物膜反应器1000m3,900m3。100m2,8,,。。,。2.2 调节塔,,,。,15 200210205PRACTICEOFTREATINGPVA-BEARINGDESIZINGWASTEWATERXieBingetal(7)……………Abstract PVA-bearingdesizingwastewaterhasapoorbiodegradabilityanditishardtobiodegradedirectlybythetraditionalbiologicaltechnique.Thebiodegradabilityofthewastewaterisimprovedandtheefficiencyoftheeffluentisalsoraisedbyaproperpretreatmentprocess.Keywords PVA-bearingdesizingwastewater,pretreatmentandbiologicaltreatmentBIO-DEGRADATIONEFFECTSOFEIGHTFINESTRAINSONCOKINGWASTEWATERNieMaiqianetal(9)………………………………………………………………………………………………………………………Abstract WithCODCrascontrolquota,thebio-degradationeffectsofeightfinestrainsisolatedinadvanceandthemixutresofthestrainsandacclimatedactivatedsludgeoncokingwastewaterwasstudied.Theresultsshowedthat,asfortheremovingrateofCODCrofcokingwaster-water,theacclimatedactivatedsludgewasmoreeffectivethananyoneofthesinglefinestrain,butlesseffectivethanthemixturesofthefinestrains.Underthesamecondition,only52.2%bytheacclimatedactivatedsludge,whereasunderexistenceofthemixturesoffinestrainsandacclimatedactivatedsludge,CODCrremovingratescouldbeacceleratedandraised.Keywords finestrains,bio-degradationandcokingwastewaterAPPLICATIONOFFULL-SCALEMBBRINTREATINGLOWCONCENTRATIONWASTEWATERZhangXingwenetal(12)…………………………………………………………………………………………………………Abstract TwoMBBRs(MovingBedBiofilmReactors),whosevolumewereboth120m3,wereestablishedparallellytotreatthelowconcentrationsewageforFushunEtheneCorporationLtd.ThehydraulicretentiontimeoftheMBBRwas2.4h.Afterenteringintoahighefficiencyfiberballsfiltrationpot,theeffluentcouldreachthestandardforwaterrecycling,withCODCr,BOD5,SSandNH3-Nweredecreasedto20mgL,5mgL,5mgLand1mgLrespectively.BecauseofthelowCODCrconcentrationoftheinfluent,itwasdifficultforbiomasstodeveloponcarrier-elementsinMBBR.Byaddinganutrimenttotheinfluent,theMBBRcouldbestarted-upin3d.Keywords movingbedbiofilmreactor(MBBR),lowconcentrationwastewaterandwaterrecycleRESEARCHONADDITIONOFURBANANAEROBICSLUDGETOTREATINGPOLYESTERWASTEWATERBYANAEROBICBIOFILMLuJing(15)……………………………………………………………Abstract Theanaerobicsludgeinthedigestiontankofamunicipalwastewatertreatmentplantisputintotheanaerobicreactorfortreatingthechemicalwastewaterofhighconcentrationinordertoconductthedomesticationoftheanaerobicstrians.itstressesonthechangesinCODCr,pH,VFAoftheinfluentandeffluentaswellastheirinterconnections.Keywords chemicalwastewaterofhighconcentration,anaerobicbiofilmanddomesticationofanaerobicsludgeTHESLUDGEBULKINGPROBLEMOFSEQUENCINGBATCHREACTORHuXiaodongetal(18)……………………………………………………………………………………………………………………………………………Abstract Inthispaper