預氧化混凝吸附處理湘江水的試驗研究.pdf

1、南華大學碩士學位論文預氧化混凝吸附處理湘江水的試驗研究姓名：韓慶昌申請學位級別：碩士專業(yè)：市政工程指導教師：婁金生20070501vResearchonthesourcewatertreatmentofXiangRiverwithpreoxidationcoagulationadsptionAbstractWiththeaggravationofganicpollutionofthedrinkingwatersourcetheimpro

2、vementofthewaterqualitystardstheconventionaltreatmentcraftofdrinkingwaterusedinmostofwaterplantsinChinacan’tremovetheganicpollutanteffectivelytosatisfypeople’sdeminthewaterquality.Consequentlypermanganatepreoxidationtech

3、nicmineralmaterialsarecombinedwithcoagulationtoremovingtheganicpollutantofdrinkingwaterfurthersothattosolvetheincreasingcontradictionbetweentheaggravationofganicpollutionofthedrinkingwatersourcethestrictionofthewaterqual

4、itystards.InthisstudyexpecttoobtainaadvancedtreatmenttotheXiangRiverthroughtousedcombinedtechnologythepermanganatepreoxidationcoagulationgmineralmaterialadsptionwereusedsolelyonthetreatmenttostudytheeffectgettingthesuita

5、bledosageofpermanganatekindsofcoagulatsbentfirstlythentheivitytoremovetheganicmatterinthewaterofthethreecraftwasdiscussed.Thetestresultsshow:(1)InthethreekindsofcoagulantswhichadoptedbythestudyPAFCShasthebesteffcttotreat

6、XiangRiveritsoptimalpHfcoagulationisaround6.0.Whenthecoagulantdosageis90mgLtheremovalratesofturbidityCODMnUV254arereachto93%51%51%.(2)PermanganatepreoxidationcanenhancedthecoagulationofthePAFCStheoptimalpHisbetween0.7mgL

7、1.1mgLtheentirelyoxidetimeisabout20minthentherehardlyhaveanypermanganateMn2whicharelimitedinthewaterquality.TheremovalratesoftubidityCODMncanbeimproveabout25%12%iftherehavenoadjustthepHoftheiginalwaterbuthavenopromotetot