跌水曝氣生物接觸氧化—超濾組合工藝的研究及其應(yīng)用.pdf

1、東南大學(xué)碩士學(xué)位論文跌水曝氣生物接觸氧化—超濾組合工藝的研究及其應(yīng)用姓名：邢昌梅申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：呂錫武李寧20070401東南大學(xué)工程碩工程學(xué)位論文AbstractNow，thequnlityofthedrinkingwatersotna瞠isdaybvdaypolluttedtheconventionaldrinkingwatertreatmentisdifficaltytoensu撐safetyofe

2、用uentqualityhasbeenunablewiththeexistingwaterquailtystandardtoadaptitsncccssalytodeveloptherleAvdrinkingwatertreatmenttechnologyNewprocessesaren∞dedimminentlyAprocessofWaterdroppingAorationBiologicalContactOxidation(WABC

3、O)andUItrafiltration(WASCOU)wasstudiedinthepaperWithapilotscaletestthecharacteristicsofbiofilmformingintheThreestepWaterdroppingBiologicalContaetOxidation(TWABCO)werestudiedduringthecoldperiodSomefactols3oftheinfluencoon

4、theeffieiencyofthe下wABCOsuchasHTRandpollutants10adingwerediscussedAIsothelawsofremovalrateofpollutantsindifferentreactorsofTWABCOanddifferentheightofpeddingineachfactorwereinvcstigatedThebiomassoftwopaddingandthee街ciency

5、offiltrationbysandandceramicballwerecomparedAtlastitwasshowedthattheremovale歷ciencyofpollutantsbyUltrafiltrationaadtheoperationcharacteristicsofUltrafdtration11峙mainconclusionshowedasfoIlow：(1)Duringthecoldpcriod。ittooka

6、bout30t040daystomakethebiofilmmatureintheT、MBco(2)Theremovalratesofmainpollutantsbythe”ⅣABCoinoeasedwiththeincreasingofHRTandit嗍moreobviouswhenHRTwaslowerthanl6hoursAstheHRToftheTWABCOwasl6hourstheremovalratesofturbidity

7、ammonianitrogencoD№，algaeUV254(ultravioletabsorbencyatthewavelengthof254nm)byTWABcowereasflowseparately：52％，359％，198％，710％and59％(3)TheremovalratesofturbidityammonianitrogenCOD‰algae，UVzs4byUltrafiltrationw∽asflowseparate

8、ly：955％，139％。163％，842％and69％(4)Astheaveragetemperatureofrawwaterwas76℃andtheHRTofTWAB∞was16hourstheremovalratesofturbidityammonianitrogenCODbaalgaeUV2“byWABCOUwcreasflowseparately：991％440％。353％979％and69％(5)TheremovalefIi

9、eiencyofpollutantsbyUltrafiltrationandtheol把ratloneharaeteristiesofUItraflltrationshowedthattheeffectofturbidityandalgaeremovalwasobviousbyUItrafiltrationandtheaverageofturbiditvofUItrafiltrationoutletwasonly034NTUinexpe

10、rimentalcourse。11mpenetratefluxwasobviouslycomedownwithfiltrationcarryingthroughThespecificpenetratefluxpartiallyrecoveredastIlecollc宅ntratewasdischargedorthemembranewasbackwashedThepenetratefluxrecovereddistinctlybyehem

11、rinseButtherecoveredpcoetratefluxwassequencedeclineTemperatureraisingredoundstopenetratefluxincrcasingMembranefoulingwasvdckeduDwithturbidityincreasinginflowwater(6)Theresearchofcapabiliticsofpollutantsremovalbythepurifi

12、cationprocessindicatedthatontheconditionsthattheHRTofbiochemiealsystemwas16hourstemperaturevail砒ionranged8^05℃andaveragetemperaturawas169℃andtherawwaterammonianitrogenunder35mg／Lthercmovalratesofmainpollutantsbvmeprocess

13、increasedwiththeincreasingoftemperaturenlepurificationcallreachahighereficiencyinremovingthepollutantsoftherawwaterandbeterwaterqualityoftheefnuentandcanofferasaferdrinkingwaterthanthetraditionaIpurificationprocessCallWh

14、611rawwaterammonianitrogenabove35mg，L，itshouIdbeincreasetheHRTofbiochemicals3，steIilContrastingroutinepurificationprocesstheexperimentpurificationprocesshasmoresupefiorityinremovinggeneralpollutantsThetotalanalysisresult

15、sshowedthatallappraisalindexcsinoutletweresatisfledwithMunicipalwatt“su!ffplyqualitystandardsfCJ廠r200051(7)Useingtheactivatedcalborladsorptionultrafiltrationcombinationsystem幻producehi曲qualitydrinkingwatertheexperimental

16、resultindicates：theprocessautomationishightheoperationalconditionisstablethissystem啪effectivelyremoveturbidity(008NTU)thepermanganateindexUv254hardness(973mg／L1andthecoliformgroupbacteriaInashortword，theresearchindicated

17、thattheprOCeSSofwater&oppingaerationbiologicalcontactoxidationincombinationwithsandfilterandUItrafilwationwasanewprocesswhichwasverysuitableforthetreatmentofmicropollutedsolwcewater11leiesuItswhichaleimportantbothinthcor