AO工艺处理城市生活工业综合污水的耐受性研究刘新文

:,,1978,,。#。AO/工艺处理城市生活工业综合污水的耐受性研究刘新文1叶芬霞1沈东升2#(1.,315016;2.,310029)　　,A/O。:,、,;,;,;。A/O、()3∶3∶4。　　A/OStudiesonthetoleranceofA/Oprocesstreatingthemunicipaldomesticandindustrialcompositewastewater　LiuXinwen1,YeFenxia1,ShenDongsheng2.(1.DepartmentofChemicalEngineering,NingboUniversityofTechnolgy,NingboZhejiang315016;2.DepartmentofEnvironmentalEngineering,ZhejiangUniversity,HangzhouZhejiang310029)Abstract:　Inthispaper,thetoleranceofanoxic/oxicprocesswasstudiedwiththeconsiderationofthesituationsofwastewaterqualityfromthehistoricaldomesticsewagehistrolytothedifficultlybiodegradablerealisticindustrialwastewaterininfluentflowingintothemunicipalsewagetreatingplant.Theresultsdemonstratedthatwithincreasingofrateofindustrialwastewaterininfluent,theactivitiesofanaerobicandaerobicsludgedeclinedmarkedlyandthetol-eranceofanaerobicsludgewashigher.Withtheprolongingoftheoperation,theactivitiesofanaerobicandaerobicsludgerecoveredgraduallyandthetimeforactivityrecoverywasdirectlyproportionaltotheratioofindustrialwastewaterininfluent.Theremovalrateofsubstratewasrelatedwiththecometabolismbetweenanaerobicandaero-bicbacteria.ThetolerancevalueofA/Oprocesstreatingthecompositewastewaterwas3∶3∶4fortheratioofphar-macyproducingwastewater,dyeingandprintingwastewateranddomesticsewageininfluent.Keywords:　CompositewastewaterA/OprocessTolerance　　,,,,。,,,。、、,A/O。1　1.1接种污泥　　、。1。5g/L,15g/L。1.2废水水质　　,1　Table1　CharacteristiticsofsludgeaftercultivatepHMLSS/(gL-1)VSS/(gL-1)/(μgh-1g-1)1)5.0910.57.2022.457.0212.66.8615.60　　:1)VSS。。,,。1,0～4℃。2。2　Table2　ThequalityoftestedwastewaterpH6.0～10.06.5～8.56.9～7.2COD/(mgL-1)490～6693500～5000250～3501.3试验装置及工艺流程　　、、、、、、。297　A/ODOI:牨牥牨牭牴牳牭牤jcnki牨牥牥牨牫牳牰牭牪牥牥牱牥牬牥牨牭,PVC,,。7cm,35cm(5cm),1165mL,10、15、20、25、30cm,20cm(HRT)3h。9cm,40cm(5cm),2550mL,10、15、20、25、30、35cm,35cmHRT10h。,400mL,2h。A/O1。1　A/OFig.1　FlowchartofA/OProcess1.4试验方法　　,1。、COD。,、、3MLSS。COD80%。、()1∶1∶8、1∶2∶7、2∶2∶6、2∶3∶5、3∶3∶4。,72d。3。3　Table3　Therelationshipbetweenthecontinuousinflowinfluentcompositionandtime(∶∶)1∶1∶81∶2∶72∶2∶62∶3∶53∶3∶4/d57121236　　,A/OHRT3h,HRT10h[1]。1.5测定项目与方法　　TTC-[2],(TTC),TTC(TF),;[3];[4];COD[5]。22.1水解酸化处理单元的耐受性分析　　,(23)。24d,,37.08μg/(hg),12.05μg/(hg),COD60%10%。24～36,,45.97μg/(hg)。,,,。60%,36d,,30μg/(hg);COD40%,30%。,,(VSS)(4)。,36～72,240mL/(gd)。,24,、3∶3∶4,,,。2　Fig.2　Thedehydrogenaseactivityofanaerobicsludge3　CODFig.3　TheCODremovalefficiencyofhydrolyticacidationcell4　Fig.4　Therateofbiogasproductioninanaerobicsludgereactors298　　29　4　200742.2好氧处理单元的耐受性分析　　,。,。5COD。,COD60%～80%。5d,(6)。5～24、,,,20.00μg/(hg)。24～36,,,36.18μg/(hg)。,,,。60%,36,,,(VSS),50.0mg/(gh)(7)。,5　CODFig.5　TheCODremovalefficiencyofaerobiccell6　Fig.6　Thedehydrogenaseactivityofaerobicsludge7　Fig.7　Therateofofoxygenconsumptioninaerobicsludgereactors,,。3　　　(1)A/O、,A/O。　　(2)、,,、。[1]　,,.[J].,2006,22(5):135-139.[2]　,.TTC-[J].,1996,14(2):3-5.[3]　,.[J].,1991,14(3):35-39.[4]　.[M].:,2005:268.[5]　《》.[M].3.:,1989.责任编辑:赵　多　(:2006-08-14)(上接第283页)[1]　.[J].,2002(3):19-20.[2]　,.[J].,2001,25(3):35-38.[3]　.[J].,2000,2(4):8-9.[4]　,.[J].,2000(3):8.[5]　,.“”[J].,1998(12):15-19.[6]　.“”[J].,1999,7(2):6-8.[7]　,.[J].,1999(1):52-53.[8]　,,,.[J].,2005,26(3):1-6.[9]　,,.[J].,2003(4):13-17.[10]　,.[J].,2004,20(4):211-219.[11]　,,,.[J].,2005,27(5):363-366.[12]　,.[J].,2004,30(1):1-3.责任编辑:赵　多　(:2006-05-18)299　A/O