天津市飲用水預(yù)氧化技術(shù)研究.pdf

1、西安建筑科技大學(xué)碩士學(xué)位論文天津市飲用水預(yù)氧化技術(shù)研究姓名：王付林申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：市政工程指導(dǎo)教師：王曉昌20040601西安建筑科技大學(xué)碩士學(xué)位論文StudyOHPreoxidationAppliedforDrinkingWaterTreatmentinTianjinSpecialty：MunicipalEngineeringMECandidate：FulinWangAdvisor：ProfXiaochangWangInChi

2、nesenorthcities，morethan70％ofdrinkingwaterresoal℃eissurfacewaterwhichhasbeenseriouslypollutedbyorganicmattersandalgaeAsaresult，theconventionaltreatmentprocessesCan’tguaranteethesafetyofdrinkingwaterwhichmakesadvancedande

3、fficienttretrnenttechniquesnecessaryThequalityofTianjinresourcewatervariesgreatlywithseasonsandoftenworsensabruptlyThecharacteristicofTianjinresourcewateristypicalinnorthChinaInthisstudypreoxidationappliedonTianjinresour

4、cewaterduringdifferentwaterqualityperiodswasconductedtointensifytheconventionaltreatmentprocesses，enhanceremovalefficacyoforganicmattersandimprovethequalityofdrinkingwateLThepreoxidationbythreechemicals，suchaSpotassiumpe

5、rmanganate，chorineandozone，anditsinfluenceonthesubsequentprocesseswereanalyzedTheresultsshowedthatproxidationcouldimprovethequalityofthewaterafterfollowngtreatmentprocessesAstoLuanRiverwaterinSummerPeriod，afterpreoxidafi

6、onbypotassiumpermanganate，partoforganicmatterswereremovedandtheamountoforganicmattersinthewaterafterairflotationandsandfiltrationwerereducedsignificantlyHoweveralthoughprechlorinationefficientlyremovedalgae，itseffectwasd

7、irectlyrelatedtothequanfityofalgaeandwasmoreobviousintheperiodofalgaebloomWithregardtoYellowRiverwaterinwinterwithlowtemperatureandlowturbidityitWasdiscoveredthatpreozonationdidnotresultinasubstantialremovaloftotalorgani

8、ccarbon(TOC)，butaremarkableUV254ItwasfurtherrevealedthatpreozonationchangedthecharacteristicsandstructureoforganicmattersandthenenhancedremovalefficienciesofthembysubsequentprocessesTheeffectsofpotassiumpermanganate，chor