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611Vo.l6,No.11200511TechniquesandEquipmentforEnvironmentalPollutionControlNov.2005UASB杨 琦(,100083)施汉昌 钱 易(,100084) UASB(100m3/d)。,,。COD52%～83%,COD100mg/L,SS95%,UASB6h。0.1m3/d。10h、5h,、;、、、、。 UASB X703.1 A 1008-9241(2005)11-0075-06StudyonmunicipalwastewatertreatmentwithUASBpilotscaleYangQi1 ShiHanchang2 QianYi2(1.SchoolofWaterResoucesandEnvironment,ChinaUniversityGeosciences,Beijing100083;2.StateKeyJointLaboratoryofEnvironmentalSimulationandPollutionControl,DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084)Abstract MunicipalwastewatertreatmentwithUASBpilotscale(100m3/d)isstudied.Theresultsoftheexperimentindicate:usingthissystemtodealwiththemunicipalwastewater,thequalityofeffluentwaterisgood.TheremovalrateofCODisin52%～83%.ThevalueofCODofeffluentwaterissmallerthan100mg/L,theremovalrateofSSisabout95%.WhenUASBisusedtotreatmunicipalwastewater,thebestretentiontimeis6hours.Therateofgasproductionis0.1m3/d.Nomattertheretentiontimeis10hoursor5hours,theam-monianitrogenandthevaluesofaceticacidineffluentwaterarehigherthanthoseininfluentwater.Thevaluesofcalcium,magnesium,totalnitrogen,totalphosphorus,boththerootofsulfuricacidandrootofnitricacidinef-fluentwaterarelowerthanthoseininfluentwater.Keywords UASB;pilotscale;municipalwastewater:2004-06-30;:2005-03-21:(1966～),,,,。E-mail:yq@cugb.edu.cn 。(UASB),。,、、、、、、[1～7]。UASB,(、、),、、,。UASB。SanPaulo24000m3/d14500m3/d[8,9]。1990BucaramangaUASB,UASB6600m3。Kanpur1200m3UASB,5000m3。,UASB(Manaus7200m3、Diadema156m3UASB)。,。-。,-,UASB。[10,11],8～13℃HRT63～4h,COD35.9%～50.2%。,。UASB,,。UASB。1 1.1 1。UASB,,,3.15m,2.10m,4.5m,30m3。5,0.5m,0.6m。,,,,。1 UASBFig.1 UASBexperimentalequipment1.2 。2,,68%,1.5t,VSS/SS50%。,94%,1t,VSS/SS84%,SVI78mL/g,18mLCH4/gVSSh,COD1.37kgCOD/kgVSSd,,99.6%,VSS/SS73.5%。,,,,UASB。UASB、,UASB,,UASB。1 UASBTable1 QualityofeffluentwaterofpilotscaleofUASB(℃)COD(mg/L)SCOD*(mg/L)(mg/L)SS(mg/L)pH11.3～1861～81650～60020～4628～827 *COD1.3 COD、、、、、、、、、。1.4 COD、COD、、pH、SS、VSS、、、,。2 2.1 COD23,16.48m3/m2d,10h、5h,COD52%～83%60%～90%,,COD,,,,,,,,,,COD,,,,Arrhenius,。,10℃,2～4,,。10h,,7611 :UASB2 UASB10hCODFig.2 CODofinfluentwaterandeffluentwaterandrelationshipbetweenCODremovalrateandtimeat10hoursofUASBretentiontime3 UASB5hCODFig.3 CODofinfluentwaterandeffluentwaterandrelationshipbetweenCODremovalrateandtimeat5hoursofUASBretentiontime,,COD。5h10h,COD。UASB5h。2.2 UASBSS4,UASB,,,,。5h,SS93%～95%。2.3 UASB5,,0.001～0.1m3/d,,COD。,。,。,COD。7764 UASB10hSSFig.4 SSininfluentwaterandeffluentwaterandtherelationshipbetweenSSremovalrateandtimeat10hoursofUASBretentiontime5 UASB1Fig.5 AccumulatingairquilitywithtimeatthefirststageofUASB、、、,55%。2.4 UASB5h、、UASB5h、、2。2,,,,,,。2,,,pH,,,,,,,。,,,,。2,,,,pH,,,。2.5 UASB、UASB5h、3。3,,。2.6 UASB、UASB5h、4。4,,,,7811 :UASB2 UASB5h、、Table2 Relationshipbetweenconcentrationsofammoniaandnitrogen,calciumionandmagnesiumionininfluentwaterandeffluentwaterandtimeat5hoursofUASBretentiontime(d)(mg/L)(mg/L)(mg/L)(mg/L)(mg/L)(mg/L)2831.533.871.570.235.734.22929.431.568.567.136.936.13030.630.375.675.339.639.23126.528.175.471.838.837.53228.833.069.667.435.835.13331.534.569.864.833.330.43428.729.970.569.135.132.63529.434.571.568.536.234.83625.426.775.471.830.430.13 UASB5h、Table3 Relationshipbetweenthetotalnitrogenininfluentwaterandeffluentwaterandtimeat5hoursofUASBretentiontime(d)(mg/L)(mg/L)(%)(d)(mg/L)(mg/L)(%)2755.451.37.43260.156.16.72858.654.07.83358.354.27.02948.546.14.93459.454.87.73057.354.35.23551.446.98.83160.252.313.13653.649.87.14 UASB5h、Table4 Relationshipbetweenthetotalphosphorusininfluentwaterandeffluentwaterandtimeat5hoursofUASBretentiontime(d)(mg/L)(mg/L)(%)2714.2313.683.92814.5114.420.62914.0513.851.43014.9614.542.83113.813.353.33214.6713.736.43315.0314.265.13414.6914.123.93514.714.392.13614.514.122.6,UASB。2.7 UASB、UASB5h、5。5,,,,,、,,,。5 UASB5h、Table5 Valuesofvitriolradicalininfluentwaterandeffluentwaterat5hoursofUASBretentiontime(d)(mg/L)(mg/L)(d)(mg/L)(mg/L)279.57.33212.58.12810.27.73311.47.8299.37.13410.37.6308.67.23510.67.5319.46.3369.57.22.8 UASB、UASB5h796、6。6,6mg/L,,、、,,,,。6 UASB5h、Table6 Valuesofnitricacidbaseininfluentwaterandeffluentwaterat5hoursofUASBretentiontime(d)(mg/L)(mg/L)(d)(mg/L)(mg/L)276.80327.10285.40336.60295.60345.30306.20355.40316.50366.602.9 UASB、UASB5h、6。6,,6 UASB5h、Fig.6 Relationshipbetweenaceticacidvalueininfluentwaterandeffluentwaterandtimeat5hoursofUASBretentiontime,,,,。3 UASB,15℃,UASB。:(1)UASBCOD52%～83%,COD100mg/L。(2)UASB5h。(3)UASB,SS95%。(4)10h、5h,、;、、、、。[1]KatoM.T.,eta.lTheanaerobictreatmentoflowstrengthwastewaterinUASBandEGSBreactors.Wa.tSc.iTech.,1997,36(6～7):375～382[2]vanderLastA.R.M.andLettingaG.Anaerobictreat-mentofdomesticsewageundermoderateclimatic(dutch)conditionsusingupflowreactorsatincreasedsuperficialve-locities.Wa.tSc.iTech.,1992,25(7):167～178[3]RebacS.,eta.lHigh-rateanaerobictreatmentofmaltingwastewaterinapilot-scaleEGSBsystemunderpsychrophilicconditions.J.Chem.Tech.Biotechnol.,1997,68:135～146[4]DriesJ.,eta.lHighratebiologicaltreatmentofsulfate-richwastewaterinanacetate-fedEGSBreactor.Biodegradation,1998,9:103～