AO一体化曝气生物滤池降解酱油废水的研究黄明

2　2环境工程学报Vol.2,No.220082ChineseJournalofEnvironmentalEngineeringFeb.2008A/O黄　明　肖利平(,411105)　　、,A/O,。:,。1.12m3/(m2·h),0.15～0.43kgCOD/(m3·d),COD75%～85%,80%,93.3%;0.27kgCOD/(m3·d),(GB8978-1996)。,OSe/S0=exp(-1.0125H)。　　A/O　　　X703.1　　　A　　　1673-9108(2008)02-0200-05Studyontreatmentofsaucewastewaterbyanaerobic/aerobicintegratebiologicalaeratedfilterreactorHuangMing　XiaoLiping(DepartmentofEnvironmentalEngineering,XiangtanUniversity,Xiangtan411105)Abstract　Thesaucewastewaterhascomplexcomponentsandhighchromacharacteristics.Ananaerobic/aerobicintegratebiologicalaeratedfilter(BAF)reactorwasusedtotreatthesaucewastewater.Thetechnologicparametersandthekineticsoforganicmatterdegradationoftheanaerobic/aerobicintegrateBAFreactorwerediscussed.Theresultsshowedthattheorganicpollutantsandchromainthewastewatercouldberemovedeffec-tivelywithwastecoalcindersusedasmostfilterfillingsinthereactor.TheremovalratesofCODandchromaofanaerobic/aerobicintegrateBAFreactorwereattainedbetween75%～85%andabove80.0%,evento93.3%respectively,withthehydraulicloadandvolumeloadingswere1.12m3/(m2·h)and0.15～0.43kgCOD/(m3·d)respectively.Moreover,whenthevolumeloadingswasbelow0.27kgCOD/(m3·d),theobtainedeffluentwasgoodenoughtomeettherequirementofClassIintheIntegratedWastewaterDischargeStandardGB8978-1996.Thekineticmodeloforganicdegradationoftheaeratedfilterintheanaerobic/aerobicintegrateBAFreactorcouldbedescribedasSe/S0=exp(-1.0125H)。Keywords　saucewastewater;anaerobic/aerobicintegratebiologicalaeratedfilter;organicdegradation;decolorization:(06SK4036,01NKY2018):2007-08-17;:2007-10-21:(1967～),,,。E-mail:[e-mail]　　,,,。,6～9t/t[1]。、、、、、,,BOD、CODSS。BOD/COD0.5,,、、,[2],。,,。(biologicalaeratedfilter,BAF),2　:A/O。BAF,8～9,[3];,[4],[5,6]。,A/O(/)BAF,,,。1　1.1　,1。3m,100mm,17.3L。,0.1m、1　A/OBAFFig.1　SchematicdiagramofA/OintegrateBAFreactor4～8mm;,0.5m;,1.50m。、,32～4mm,:∶∶=2∶1∶1()。,。,,。,。,。,、,。,,。,。,,。1.2　。,,,1。(SS),,。1,BAF。1.3　。,COD∶N∶P=100∶5∶124h,,4.7L/h,。10%(),,20%、50%、80%100%。30d,1　Table1　MaincharacteristicsofsaucewastewaterpHCOD(mg/L)SS(mg/L)()NH3-N(mg/L)5.8～6.8408.4～1031.5102.5～255.3120～2509.3～33.66.6～7.1285.3～812.256.2～136.360～2009.0～32.9。、,80%,。BAF,。,,20120.60m3/(m2·h)1.50m3/(m2·h),7d。,,,(0.3m,0.7m,1.2m1.5m),30d。,3mg/L。1.4　,COD、、NH3-NSS[7];pHpHS-3C;。2　2.1　BAF。,COD410～450mg/L,425.3mg/L;SS80～10080.2～110.4mg/L,90.5103.2mg/L。,(HRT),BAF0.60m3/(m2·h)1.50m3/(m2·h),BAF,2。,HRT,A22.8%8.2%,,O。0.60m3/(m2·h)1.12m3/(m2·h),OCOD80.8%83.4%;SS82.9%～87.2%。,、,,;,,。1.50m3/(m2·h),CODSS,11.8%23.3%。,、、,CODSS,。,BAF1.12m3/(m2·h),(GB8978-1996)。2　Table2　Influenceofhydraulicloadingsontreatmenteffect(m3/(m2·h))AA(%)OO(%)(%)COD(mg/L)326.3～332.6328.522.875.2～92.381.575.280.8　0.60SS(mg/L)45.4～63.552.549.18.4～15.511.677.987.2()25～6042.952.65～2515.065.083.4pH6.8～7.27.1/7.1～7.57.3//COD(mg/L)327.4～347.7335.221.265.4～83.573.578.182.7　0.90SS(mg/L)50.2～67.556.445.310.2～17.513.476.287.0()25～7546.448.75～2014.369.284.2pH6.8～7.37.0/7.2～7.57.3//COD(mg/L)345.8～374.5363.814.559.3～82.670.480.683.4　1.12SS(mg/L)52.3～69.461.640.318.3～23.417.671.482.9()25～7555.039.25～2012.178.086.6pH6.7～7.16.9/7.2～7.77.3//COD(mg/L)375.3～403.6390.58.2105.3～122.6112.571.273.5　1.50SS(mg/L)64.3～76.569.532.734.3～43.537.645.963.6()50～8065.327.810～3020.568.677.3pH6.7～7.16.8/6.9～7.67.2//2022　:A/O2.2　1.12m3/(m2·h),COD,,23。0.15～0.43kgCOD/(m3·d),COD75%～85%,1.5～6.6mg/L,80%。,,,,。COD500mg/L,0.27kgCOD/(m3·d),COD。,0.27kgCOD/(m3·d)。,,50,80%,93.3%。,;,,。2.3　COD2.2,COD12%～17%,,,。,,4。4　CODFig.4　EffluentaverageCODconcentrationanditsremovalrateversusheightofaerobicfiltermedialayer,O:COD1.2m,91.8%;,。,O,;,,。[8]。BAF、,,,BAF,[9]:Se/S0=exp(-K1H)(1):S0—(mg/L);Se—(mg/L);H—(m);K1—2032。K1、。(1)ln(S0/Se)=K1H,ln(S0/Se)HK1,5。O:Se/S0=exp(-1.0125H)。5　K1Fig.5　TheseekingoforganicmatterdegradationconstantK13　　(1)A/OBAF。1.12m3/(m2·h),0.27kgCOD/(m3·d),COD75%～85%,(GB8978-1996)。(2),。,A/OBAF80%,93.3%,50。　　(3)1.12m3/(m2·h),O:Se/S0=exp(-1.0125H)。[1],.COD、.,2003,35(5):395～399[2],..,2004,24(2):275～280[3]MannAllanT.,Mendoza-EspinosaLeopoldo,StephensonTom.Performanceoffloatingandsunkenmediabiologicalaeratedfiltersunderunsteadystateconditions.WaterRe-search,1999,33(4):1108～1113[4]ZhaoXin,WangYanming,YeZhengfang,etal.Oilfieldwastewatertreatmentinbiologicalaeratedfilterbyimmobi-lizedmicroorganisms.ProcessBiochemistry,2006,41:1475～1483[5]WestermanP.W.,BicudoJ.R.,KantardjieA.Upflowbi-ologicalaeratedfiltersforthetreatmentofflushedswinemanure.BioresourceTechnology,2000,74:181～190[6]..,2006,22(23):82～84[7]《》.().:,2002[8],,,..,2006,22(15):71～74[9],,,..,2006,38(2):203～207204