MSBR法處理城市污水和城市垃圾滲濾液的研究.pdf

1、同濟大學碩士學位論文MSBR法處理城市污水和城市垃圾滲濾液的研究姓名：顧一波申請學位級別：碩士專業(yè)：環(huán)境工程指導教師：楊海真2001.5.1ABSTRACTMSBR(ModifiedSequenceBatchReactor)isanewkindofwastewatertreatmentprocessInthispaperresearchobjectswithwhichitanalyzesdifferentwastewatertreatm

2、entcircumstancesonMSBRProcess，aresecondintegratedwastewatcrinShanghaiandlandfillleachatesDuringafivemonthpilotstudyonintegratedwastewatertreatment，itshowedthatwhentotalhydraulicretentiontimewas1056hours，averageCODerconce

3、ntrationsofeffluentcouldachieve766mIg，landtheTPremovalrateofeffluentgotmorethan50％Theeffluentcouldachievea37％removalrateofammonianitrogenDuetothefluctuationoforganicmaterialsandtotalphosphorusconcentrations，GAOs(Glycogen

4、AccumulatingOrganisms)dominatedinthecompetitionwitllPAOs(polyphosphateAccumulatingOrganisms)ofsubstrateuptakewhichledtothegreatfluctuationofphosphorusremovalefficiencyInthemeanwhileni砸ficationdecreasedandtheeffluentNH3Ni

5、ncreasedbecausesystemorganicloadingincreasedthatmadetheproportionofnitrifyingbacteriacutdowninthesLudgeDuringthedebuggingstudyoflandfilllcaelmtesitindicatedthatwima515hrtotalhydraulicretentiontimetheeffluentCODerofpretre

6、atedleachatescouldnotachievedischargestandardbuttheammonianilrogenofeffluentwaslessthan65mg／1NonbiodegradableorganicnmtefialoflandfillleachatesdirectlyresultedinincreasedorganicmaterialconcentrationoftheeffluentMoreoverl

7、owerorganicloadingmadethenitri助ngbacteriadominatedinthesludge，whichenhancedthesystemIlitrificationAtthesametime，coagulationflocculationwasnotsuitableforyounglandfillleachatesbecauseitcouldn’tgreatlyrelllovetheorganicmate

8、rialsSocoagulation—flocculationwash’tusedinthedebuggingn璩strippingwithoutalkaliadditiononlyremovedlittleorganicmaterialsandammonianitrogen1koauseammonianitrogenmostlyexistedammoniaealiOIlS，theammonianitrogenremovaleffici

9、encydecreasedFinallgbasedontheresultsoftwodifferentwastewaterstudies，suggestiOIlSwereproposedaccordingtothedesignandoperationofthesewastewaterKeywords：MSBR(ModifiedSequenceBatchReactor)integratedwastewaterGAOs(GlycogenAc