UASB反应器处理染化废水的初步研究徐幼平

　　23(3):293～296,1997　　　JournalofZhejiangAgriculturalUniversity　　　UASB①徐幼平1　徐向阳1　俞秀娥1　冯孝善1　戚　新2(1,310029;2,310005)　　　(UASB),COD3390.7～8984.8mg/L(COD831.3mg/L)、4000、HRT3.3～3.4d,COD85%～93%86%～88%.,UASB,,COD、COD/CODHRT.,.　　UASB;;　　X703XuYouping1;XuXiangyang1;YuXiu′e1;FengXiaoshan1;QiXing2(1DepartmentofEnviron-mentScience,ZhejiangAgriculturalUniversity,Hangzhou310029,China;2InstituteofZhejiangIndustrialEnvironmentprotection,Hangzhou310005,China)Preliminarystudyontreatmentofdyeproducingwastewaterwithupflowanaerobicsludgeblanket.JournalofZhejiangAgriculturalUniversity,1997,23(3):293～296Abstract　　Theperformance,treatingdilutedmixtureofdyeproducingwastewaterandorganicwastewaterwithupflowanaerobicsludgeblanket(UASB),wasstudied.TheresultsshowedthatinfluentCODconcentrationwere3390.7～8984.8mg/L,inwhichdyeCODconcentrationwere831.3mg/Lwithcolority4000timesandHRT3.32days,thepercentageofCODandcoloritye-liminationreached85%～93%and86%～88%,respectively.GranularsludgewasobservedinUASBduringtheoperation.TheperformancesofUASBwereaffectedbyCODloadingrates,CODdye/CODtotalratioandHRTinvaringdegrees.Itwasalsoindicatedthatadditionofeasy-de-gradedindustrialorganicwastewaterascarbonsourcefortreatingdyeproducingwastewaterwithanaerobicbiologicalprocesswaspracticable.Keywords　　UASBreactor;dyeproducingwastewater;anaerobicbiologicaltreatment　　:1996-01-23①　　、、、,,.,[1].,、,,[2,3];,,,[4,5].,UASB.1　材料与方法1.1　　　,,:pH6.7,100000,COD19950mg/L,BOD52571.40mg/L,34.33g/L..COD23554mg/L,pH4.40.1.2　　　UASB[6].69.5cm,6.68cm,1.75L1.55L,,17ml/min,20%,(28±1)℃.1.3　　　.TS29.5g/L,VS19.5g/L.1.4　　　①CODcr;②pHPHS-9V;③25ml721.2　结果与讨论2.1　UASB　　COD.,COD,,.,,2.32mm×2.06mm.Olympus,,(1).9,COD831.3mg/L,COD/COD0.093,COD2.71gL-1d-1,HRT3.32d,COD92.6%86.1%.UASB1.1　　Fig.1　PhotographofthesludgeorganismsinUASBunderScanningElectricMicroscope2.2　　　——(2),,,504nm,.2.3　2.3.1　COD和COD染/COD总比的影响　　3,COD294　　　　　　　　　　　　　　23　1　UASB①Table1　TheoperativeperformancesofUASBreactorHRT(d)COD(mg/L)()COD(%)COD(gL-1d-1)COD(gL-1d-1)(OD504nm)(%)pH0.703526.56(166.25)938.8073.385.013.670.760.2765.137.247.530.783526.56(166.25)913.1674.114.683.470.760.2566.677.327.470.983721.60(199.50)579.9084.423.783.161.500.4669.177.507.771.583721.60(199.50)437.9388.232.362.081.500.40773.427.507.781.827500.48(374.06)732.4190.244.113.713.000.5880.837.567.852.007426.04(374.06)624.5391.593.743.423.000.5581.837.527.842.597214.77(498.75)578.1791.992.792.573.800.6882.117.547.512.787334.75(498.75)580.1892.092.642.433.800.6981.987.647.673.137700.53(619.50)603.8692.162.462.274.720.7185.047.687.733.328984.80(831.25)669.3592.552.712.515.760.8086.117.667.72　　①HRT;OD504nm..2　——　Fig.2　TheUVspectrumofinfluentandeffluentsamplesofUASBreactorCOD.COD4.55gL-1d-12.35gL-1d-1,COD69.1%92.1%,65.1%85.0%.3,COD/COD,COD,、3　COD(1、2)COD/COD(3、4)Fig.3　EffectsofvolumetricCODloadingsandCODdye/CODtotalratioontreatmentefficiencyA.COD　B..2.3.2　水力负荷的影响　　4.CODHRT.HRT2d,295　3　　　　　　　　　　　　　　UASB4　HRTFig.4　EffectsofHRTonCODremovalandcolorremovalefficiencyCOD92%,80%,.2.3.3　改变外加碳源的影响　　,,HRTCOD3d800mg/L,,.,COD80%～88%,82%～86%,(2).　　,,.2　UASBTable2　TreatmentefficiencyofUASBreactorforwastewatermixedwithdyeproducingwastewaterandbeersaccharifiedwastewater(d)COD(mg/L)COD(%)COD(gL-1d-1)COD(gL-1d-1)(OD504nm)(%)103276.26640.9680.441.140.985.761.0282.29143123.87600.0180.791.050.855.760.9683.33183301.65590.4882.121.211.005.760.8884.72223238.16580.9682.061.190.985.720.8684.97263406.21586.1482.791.211.005.720.8485.31303444.48602.7882.501.110.925.720.8086.01343426.20518.5684.871.241.055.720.8285.66383333.60518.5684.441.140.965.600.8085.71423502.08460.8086.841.221.065.600.7886.07463409.92433.1587.301.191.045.600.7985.89503548.16433.1587.791.281.135.600.7985.89543548.16414.7288.311.211.075.600.7886.071　,,..,1988,10(4):16～202　,,..,1991,12(3):27～303　PaszczynskiA,PastiMB,GoszczynskiS,etal.Newapproachtoimprovedegradationofrecalci-trantazodyesbyStreptomycesspp.andPhane-rochaetechrysosporium.EnzymeMicrob.Tech-nol.,1991,13(5):378～3844　,,.UASB-.,1994.15(4):31～325　ChungKT,Stevens,SE,Degradationofazodyesbyenvironmentalmicroorganismsandhelminths.Environ.Toxicol.Chem.,1993,12:2121～21326　,,..,1988,14(2):129～135296　　　　　　　　　　　　　　23