長(zhǎng)江與黃浦江原水強(qiáng)化常規(guī)處理技術(shù)研究.pdf

1、東南大學(xué)碩士學(xué)位論文長(zhǎng)江與黃浦江原水強(qiáng)化常規(guī)處理技術(shù)研究姓名：周平申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：呂錫武蔡漢高20080602ABSTRACTRESEARCHOFENHANCEDCoNVENTIONALTREATMENTOFERFROMYANGTZEIUVERANDHUANGPUlUVERSoutheastUniversityGraduateStudent：ZHOUPing，Supervisor：ProfessorLUX

2、i—WU，SeniorEngineerCAIHan—gaoABSTRACTRawwaterdeterioratesgraduallySOthetraditionaldrinkingwatertreatmentprocesscan’tguarant∞thequalityofdrinkingwaterwhilepeople’sconsciousnessofobtainingsafedrinkingwaterelevatesperpetual

3、lyMoreeffectiveteehnologiesaren喊l(fā)edinthisconditionThereforthispaperdiscussedthefollowingmethodsofhowtoireprovetheimpactofwatertreatment1)Enhancedcoagulant，useddifferentkin出ofcoagulantgavedifferentquantityandpHtawwatertoh

4、avecoagulantexperimentwhichWaSaimedtofindthebestconditionofcoagulant2)Enhancedfiltrationusedmiddlescaleexperimentmmedcommonsandfilterintobiologicalenhancedactivefiltration(BEAF)3)WiththewaterofHuangpuRivetdifferentperfor

5、mancesunderdifferentEBCrSandtemperaturesWel“ecompared；performancerecoveryafterbackwashingWereanalyzed；thetreatmentprincipalWasstudiedbyoperatingundertheoptimalconditionTheresultsofthisexperimentareasfollowing：1)FortheYan

6、gtzeRiverlawwaterPACcanbringthebestimpactamongthefourcoagulantsThequantitytobestimpactisl2mg／L；ThebestpHisabout565；Useingactivesilicicacidandpowderactivecarboncallgreatlyimprovetheimpactofwaterquality；2)Comparingwiththec

7、ommonquartzsandfiltrationtheBEAFcaneffectivelyreducesludgeellhallcowaterfiltrationqualityWhellEBCTofBEAFis10min，theremovaleffectsofnephelometric，CODunandUV25I啪reach90％，l9％and23％respectively3)FortheHuangpuRiverrawwaterund

8、ertheoptimalEBCToflOmin，removaleffectsofCODMmNI14N，turbidityandBDOCareabove20％，50％，88％and60％respectivelyandAOC啪bereducedtobelow50pg／LAirwaterbackwashingisabettermethodandtheaffectonbiomassisevidentlyrelatedtonleremovalef