污水处理英文文献英语

OxidizetheditchcraftindirtywaterhandleofapplicationanddevelopmentCaiZhi一jun(FoshanCityShundeDistrictEnvironmentalEngineeringBranchFoshanGuangdong528000)【Abstract】Setanaerobic,naoxicsectionCarrousoxidationditchwithbiologiclanitrogenandphosphorusremovalcapabilitie,iscurrendythemainstreamofcitylifeprocessofsewagetreatment,ThisarticledescirbesthestructureofCarrouseloxidationditch,porcessanddesignproblemsduringtheoper-ationandthecorrespondingsolutions．【Keywords】Carrousel；Oxidationditch；Phosphorusnadnitrogenremoval；Structure；Mechanism1.ForewordOxidizetheditch(oxidationditch)againacontinuouscirculationspiritpond(Continuousloopreactor),isaliveanddirtymiremethodakindoftotransform.OxidizingthedirtywaterinditchhandlesthecraftberesearchedtomanufacturebythehygieneengineeringgraduateschoolofHollandinthe50'sof20centuriessuccess.Sincein1954atDutchthrowintheusageforthevelYfirstnme.secauseitsawaterfluidmattergood,circulatethestabilityandmanageconvenienceetc.techniquecharacteristics,alreadyatdomesticandinternationalandextensiveapplicationinlivethedirtywatertoisdirtytomanageaquecustvwiththeindusty[1].Currentapplicationthanoxidizeextensivelytheditchtypeinclude:The(Pasveer)oxidizestheditch,the(Carrousel)oxidizestheditch,(Orbal)oxidizestheditch,thetypeofToxidizestheditch(threeditchtypesoxidizetheditch),thetypeofDEoxidizestheditchtoturntooxidizetheditchwiththeIntegralwhore.theseoxidizetheditchbecauseofthedifferenceofesseinconstructionwithcirculating,thereforeeachcharacteristics[2].Thistextwillintroduceconstruction,mechanism,existentproblemanditslatestdevelopmentsthatCarrouseloxidizeditchesprimarily.2.TheCarrouseloxidizestheconstructionoftheditchTheCarrouselOxidizetheditchtoberesearchedtomanufacturebyDutchDHVcompanydevelopmentin1967.0xidizethelastthecompanyofDHVinfoundationoftheditchintheoriginalCarrouseltopermitedspeciallythecompanyEIMCOtoinventagainwithitspatentintheUnitedStatesCarrousel2000systemrealizesthelivingcreatureofthehigherrequesttakesoffthenitrogenwithdividedbythefunctionof.Therehasbeenintheworlduptonowmorethan850CarrouselsoxidizetheditchwiththeCarrousel2000systemarecirculatingFromdiagramtherefore[3].TheCarrouseloxidizestheditchtheusagethespiritofthatdefinitedirectioncontrolwithshakeupthedevice,facetomixwiththeliquiddeliverthelevelspeed,frombutmakedrivetheliquidofadmixturethatshakeupisinoxidizeditchshutmatchoutletcirculatenowrnereroreoxidizetheditchhavethespecialhydraulicsflowsthe,currentcompletemixwiththecharacteristicsofthetypereactor,havethecharacteristicsthatpushtheflowtypereactoragain,theditchinsideexsrtsobviouslyofdeliquescenceoxygendensitystepsdegree.Oxidizingtheditchcrosssectionisrectangleortrapezoids,thefiatsurfaceshapeismanyforoval,theditchinternalwaterisdeepgeneralfor2.5-4.5m,thebreadthisdeepcomparefor2:1,alsohavethedeepwateramountto7msof,ditchinsideaveragespeedinwatercurrentis0.3mS/s.ostorzeditchspiritadmixtureequipmentscontainsurfacespiritmachine,thespiritofturntobrushorturnthedishandshoottoflowthespiritmachine,pipetypespiritmachinewithpromotetakecareoftypespiritmachineetc.,matchwithinrecentyearsusagestillcontainunderwaterpushmachine[4~6].3.TheCarrouseloxidizesthemechanismoftheditch3.1TheCarrouseloxidizestheditchhandlesdirtyandaqueousprincipleTheatthebeginningcommonCarrouseloxidizesthedirtywaterIninsideIncraftoftheditchdirectwithdirtymireInrefluxtogetherenteroxidizetheditchsystem.ThesurfacespiritmachinemakesfuseIntheliquidofadmixturethedensityoftheoxygenDOincreasesabout2the3mgslt.uncerthiskindofwellthetermoftheoxygen,themicroorganismgetstheenoughdeliquescenceoxygencomesandgotodividedbytheBOD;Atthesametime,theammoniaweretoooxidizednitratewithsecondnitrate,thistime,mixwiththeliquidbeplacedintheoxygenappearance.Inthespiritmachinedownstream,afterwatercurrentbebecomebytheswiftflowappearanceofthespiritDistrictoPevenflowtheappearance,thewatercurrentmaintainsintheminimumcurrentvelocity,guaranteeingtheliveanddirtymirebeplacedinthefloatstheappearance.(averagecurrentvercctvs-o.amsls)Oxldlzemicrobiallytheprocessconsumedtofusetheoxygeninthewater,untilthevalueofDOdeclinesforzero,mixingwiththeliquidreporttheanoxiaappearance.versanitricthatturnthefunctionthroughanoxiaarea,mixwiththeliquidentertohavetheoxygenarea,completingoncecirculating.Thatsysteminside,theBODdeclinesthesolutionisacontinuousprocess,thenitricturnsthefunctiontoturnwiththeversanitric~efunctiontakeplaceinsamepond.Becauseofstructuralrestrict,thiskindofoxidizetheditchalthoughcanthenvalidwhereaboutsBOD,dividedbythephosphorustakeoffthenitrogenousabilityltmrtedt.3.2TheCarrouseloxidizestheditchdividedsbythephosphorustakesoffthenitrogenousinfluencefactor.AffectingtheCarrouseloxidizestheditchdividedsbythephosphoricfactorisdirtymire,nitratedensityandqualitydensitiesprimarily.Theresearchexpresses,beingtotalanddirtymireas11%thatahourbiggestphosphorus4%withdealisitsfuckdirtymiredealwithinliveanddirtymire,keepforthethegermphysicalendowmentmeasures,butwhendirtymireover15dhourdirtymiretheInsideisbiggesttocontaintheobviousdescentindealInphosphorus,canningnotreachthebiggestdi