T型氧化沟处理城市污水的脱氮效果分析魏辉

T魏　辉　柯水洲　朱平生　钟　坚　　　在分析深圳市滨河污水处理厂T型氧化沟的运行现状基础上,阐述了影响其硝化和反硝化效果的因素和机理,提出了改进其脱氮效果的一些技术方法和建议。　T型氧化沟　硝化　反硝化　脱氮　　,。,,。T,。,。T,、,,。D,,(),。1　T1.1　19977,25m3/d,AB,BT,1。1　22m×153m,3.5m,72534m3。28,11,6,11,3。1.2　,A1。20011～8,1　　　BOD/mg/L65～165101COD/mg/L　164～1017318NH3-N/mg/L22～3024/mg/L0.02～0.050.03TN/mg/L28～353120m3/d,(HRT)5.21h,HRT4.7h,29.0m3/(m2·d),16～20m3/(m2·d)(Ettlich,1982),。,1000～4000mg/L,MLSS4000mg/L。0.067～0.476kgBOD/(kgMLSS·d),,0.15kgBOD/(kgMLSS·d)。。15.5d,7.5～11.4d。1.3　1,COD,NH3-N,NO-2-N,NO-3-N,SS,pH,MLSS,MLVSS,SV,SVI,DO。,,,1h,,。1.4　(2)2　　Vol.28　No.6　200225　　　DOI:10.13789/j.cnki.wwe1964.2002.06.0082　2001pHBODCODNH3-NTN/mg/L/mg/L/%/mg/L/mg/L/%/mg/L/mg/L/mg/L/mg/L/%/mg/L/mg/L/%BOD/TKN17.209610.489.236836.790.00.020.5525.08.5565.831.113.755.93.127.1711311.290.144933.092.70.030.5524.78.6265.130.513.954.43.737.1813312.590.635135.290.00.020.6223.78.7563.130.614.054.24.347.1710310.390.026629.189.10.020.6423.98.7063.630.814.054.53.357.1713412.091.026932.787.80.020.6523.58.9062.130.013.953.74.567.1978.26.591.728731.589.00.030.4624.78.6565.029.912.657.92.677.1783.56.192.824627.888.70.020.4523.79.7558.930.712.329.92.787.1567.14.293.830829.790.40.020.4723.99.1761.630.412.259.92.26～9≤20≤60≤15　:。2.1　3:,。。NH+4,pH=7.5,25℃,NH+499.6%,pH7.5,,。25%～30%。,,,,。Passever,25～50d。(7.5～11.4d),,。,,。,,。2.2　NH3-N2。2,60%～65%。,DO2mg/L。DO,(DO)14(2),YSI-55,DO10cm,6,,3。y1DO,y2DO。DO2mg/L,DO。2　3　DO,26　　　　Vol.28　No.6　2002,。,7.5～11.4d,B,,,,15～20d。2.3　2。,50%～55%。,3,DO0.5mg/L。,,,,DO,。:()。,、。,,0.50～0.65mg/L,。0.067kgCOD/(kgMLSS·d),,0.13mgN/(gMLSS·h)。1mgN/(gMLSS·h)(Goronszy1978)。,,。3　,。,4,,0.35kgBOD/(kgMLSS·d),。,。0.15kgBOD/(kgMLSS·d),,,,;,,,。。4　,,,。ADMONT(5),,BA,AB,A,B,AB。BA,A,B,。A,。5　ADMONT4　,,,。。。。　Vol.28　No.6　200227　　　参考文献1　,..:,19982　XiaodiHao,HansJDoddema,JohanWvanGroenestijn.Conditionsandmechanismsaffectingsimultaneousnitrificationanddenitrifica-tioninapasveeroxidationditch.BioresourceTechnology,1997,59:202～2153　EttilchWF.Innovationandconventionaldesignperformancecapaci-tiesofoxidationditchplants.In:OxidationDitchTechnology,Inter-nationalConference,Amsterdam,1982.142～1504　GoronszyMC.Singlevesselintermittentlyoperatedactivatedsludgefornitrificationanddenitrification.WaterPollutControlFedConf,Anaheim,CA,USA,1978⊙:410082　:[phone]　　518031　:[phone]　:2001-12-3　蔡之涛　　　结合编制某市市区污水管网系统专业规划,分析和研究了东南沿海地区类似老城区排水管网系统规划与设计需要注意的几个问题。主要包括排水体制的选择,污水水量预测,系统管网布置与已建排水管道的利用,泵站规模计算,并对今后进行类似规划需要改进的方面提出了建议。　污水管网　排水体制　水量预测　泵站设计流量　规划内容　　:①,;,,;,;,,,;②,。,,、、,“”;③,,;④,;⑤,;⑥,。,,。,。,。。、、、。,。1　。,。,,。、,,。,。,。、、28　　　　Vol.28　No.6　2002WATER&WASTEWATERENGINEERINGVol.28No.6June2002ABSTRACTSHydrologicalCycleandUrbanMetabolicSystemofWaterTamboNorihito(1………………………………………………)Abstract:Thelimitationofpresentwaterandwastewatersystemisanalyzedinthispaper.Towardthe21stcenturywithdramaticincreaseofpopulationandvastconsumptionofenergyresources,theauthorexplainedhisbasicconsiderationonthemodernurbanmetabolicsystemofwater,suggestedthewayofclassificationofwaterenvironmentintoconservationzoneandutilizationzoneinthehydrologicalcycle,andproposedanewsystemtoutilizethewaterresourcereasonablyaccordingtoitsqualityandquantity.ANewEuropeanConceptforSewageTreatmentTechnology:SustainableBiologicalNutrientRemovalProcessesHaoXiaodietal(6…………………………………………………………………………………………………………)Abstract:Conventionalsewagetreatmentprocessesdestroyenergywithenergy,consumelotsoforganiccarbon,producemuchexcesssludgeandreleasemuchCO2intoatmosphere.Nowadays,thesustainableeconomicdevelopmentwayemphasizedintheworldalsoreflectsthefieldofwastewatertreatment.Therefore,itisessentialtodevelopthepro-cesseswithlessconsumptionofenergyandresourcesandwithmorerecoveriesofusefulenergyandresourcesfromsewage.Basedondenitrifyingdephosphatationandanaerobicammoniumoxidation(ANAMMOX)whichwererecentlydevelopedinEurope,asustainablebiologicalnutrientremoval(BNR)processisproposedinthisarticle,withtheaimsofconversionoforganicenergy(intomethane),recoveryofphosphates(asstruvite),reuseofeffluent(fornon-drinkingcases).ModelingStudyofActivatedSludgeProcessBasedonArtificialNeuralNetworkZhangWenyietal(12……………………)Abstract:Tocreateawaterqualitymodelforactivatedsludgesystemisdifficult,soatypicalartificialneuralnet-workmodel(back-propagationmode)wasintroduced.Bycomparingthepredictionresultofthemodelwiththeon-spotdata,themodelwasaccurateandcanbeusedtowastewaterprocessplantflexibly.Thismodelcanalsobeusedtorealizeon-linecontrolofthewastewatertreatmentprocess.LangdongWTPinNanningCityHuangHuaxiangetal(15……………………………………………………………………)Abstract:ThisisasecondarybiologicaltreatmentfacilitywithaerationtankofDegremontOOCprocess.Inthispaperthebasictechnology,relatedequipmentanddesigncategoriesoftreatmentstructuresarepresented.Theoperatingresultsshowthatthisfacilityisreliableandeasyformaintenance,andtheeffluentisstabletomeetthewastewaterdis-chargestandard.ProblemsinPlanningandCalculatingoftheUrbanWaterSupplyNetworkinMountainousAreaHaoGuizhenetal(21…)Abstract:Aimingatthespecialfeaturesoftheurbanwaterdistributionnetworkinmountainousareaandtheprob-lemsfoundduringthecalculationandoper