奥贝尔氧化沟的工程应用性能研究颜秀勤

颜秀勤　张　悦　郑兴灿　李成江(中国市政工程华北设计研究院)　　　　通过对奥贝尔氧化沟工程实际运行工况的测试,分析研究了脱氮功能、抗冲击负荷能力、去除难降解有机物能力以及污泥性能等特征,并就其三沟DO呈0-1-2的梯度分布与氮的去除机理进行了探讨。　污水处理　奥贝尔氧化沟　工程应用　脱氮性能　　(Orbal),、。80,。,。,,,,、、。,,。1　实际工程简介6×104m3/d,。,,,,199412。、1,1。,12。24,、、8。2。1　、mg/L　　　CODCr30080BOD518025SS20020404　　pH　:6～9　:6～8.51　2　:　　1250m3/h14.2h35d4.26mMLSS　　　　4000mg/L·14·　　　1999Vol.15　　　　　　　　　　CHINAWATER&WASTEWATER　　　　　　　　　　No.70.074kgBOD/(kgMLVSS·d)0.110kgCOD/(kgMLVSS·d)56∶26∶18(∶∶)0-1-2mg/L(--)2　结果与讨论2.1　,2×104～2.4×104m3/d,,。(199711—12)2,3。,,。COD、90%。DO(),TN。,,,TN50%,BOD,。(),,,TN90%。2　　(m3/h)903851～937　(h)1918～21　(m)4.2　(℃)1513～165、3　(mm)450　(%)6159～65　MLSS(mg/L)30372923～3245　SV(%)9391～94　SVI(mL/g)304295～315DO(mg/L)00～0.30.40.1～0.93.52.9～3.9　　1　1m3m。2　1m。3　(mg/L)(mg/L)(mg/L)(%)(%)COD455396372924289293BOD197543395SS58311279NH3-N11.8211.55————9999TKN16.091.891.090.950.9894NO-3-N1.570.720.610.601.39TN17.441.961.261.181.4392pH8.08.0　　。COD2h,。2.2　2.2.1　DO,,,。(、、)0-1-2mg/L,()。,。100%,50%,,60%,TN88%,。,“/”。“/”:①　。,1m3mDO0.5mg/L,2～3mg/L,,·15·1999Vol.15　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　No.7。,5,7∶1。,,,,。②　。,,“”。,,,。(、),。,,。,,、,。,“/”。,,,“/”。2.2.2　,,。14hCOD2～9,COD2～8,COD3,,,,3。:,MLSS,;,,。,0.25m3/s(2.2×104m3/d),0.2m/s,7.6m3/s,30,,。3　。,,,,。,,。,,,。(),,,。BOD。。。,(MLSS),。,、。,,。,,·16·1999Vol.15　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　No.7。,,。,。2.2.3　,,BOD5,BOD5,COD。,BOD5/CODCr0.45～0.65,COD90%,COD60mg/L,40mg/L80%,、,。2.2.4　,,,,,,,,,。,,DO0-1-2,,,,。MLSS4000～6000mg/L,(SVI)120mL/g,80～100mL/g。,,0-1-2DO,(SVI300mL/g),。[0.6m3/(m2·h)],(7h)。DO0-1-2,SVI,,。,、。30d,,。(OUR),,0.1gO2/(gVSS·d)。4,OUR0.1gO2/(gVSS·d),。4　MLVSS(mg/L)[mg/(L·min)][gO2/(gVSS·d)]1997-12-0623260.0950.0593　结论①　,,、,,TN90%。②　DO0-1-2。,、“/”,100%85%。③　。④　,、,,。:　　32　　:300074　　:[phone]×2028E-mail:[e-mail](　1998-12-07)·17·1999Vol.15　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　No.7CHINAWATER&WASTEWATERVol.15No.7　　　July1999ABSTEACTSStudyofCoagulationbyPolyaluminumSilicateChlorideandResidualAluminuminTreatedWaterGaoBaoyu　　YueQinyan(Depart.ofEnviron.Eng.,ShandongUniv.,Jinan250100,P.R.China)WangZhansheng(Depart.ofEnviron.Sci.andEng.,QinghuaUniv.,Beijing100084,P.R.China)TangHongxiao(EcologicalEnviron.Res.Center,ChineseAcademyofSci.,Beijing100085,P.R.China)Abstract:Aseriesofcoagulants-polyaluminumsilicatechloride(PASC),eachwithdifferentbasicity(B)andmolarratioAl/Si,waspreparedbycopolymerizationtechniqueandcompositetechniquerespectively.TheexperimentalresultsshowedthatPASCwascharacterizedbybettercoagulationefficeincyandhavinglowerresidualaluminuminwaterascomparedwithPAC.ThePASCpreparedbycopolymerizationtechniquegavelowerturbidityandresidualaluminumcontentinwater,betterremovalefficiencythanpreparedbycompositetechnique.TheresidualaluminumcontentinwaterbyPASCreducedwiththeincreaseofvalueBandthedecreaseofmolarratioAl/Si.TheresidualaluminumcontentinwaterbyPASCwasaffectedbypHvalueofwatersolution.PASCgavelowestresidualaluminumcontentintherangeofneutralpH.Keywords:watertreatment　coagulation　polyaluminumsilicatechloride　residualaluminumStudyofWetAirOxidationProcessforTreatingWasteSludgefromMunicipalWastewaterTreatmentPlantYangQi　　WenXianghua　　WangZhiqiang(Depart.ofEnviron.Sci.andEng.,QinghuaUniv.,Beijing100084,P.R.China)Abstract:Wetairoxidationprocessfortreatingwasteactivatedsludgefromamunicipalwastewatertreatmentplantwasstudiedexperimentallyina2literautoclavewithoxygenasoxidang.Thevariationsoftheconcentrationofnitrogen,phosphorusandheavymetalsinsupernatangofthetreatedsludgeandvolatileconsituents,heatcapacity,organiccontentinexcesssludgewereanalyzed.Thetestresultsshowedthatthecharacteristicsofsludgesettlinganddewateringwereexcellentandremovalofsolidcontentsfromthesludgewasgoodaftertreatment.Keywords:sludgetreatment　wetairoxidation　municipalwastewatertreamentplantStudyofPretreatmentofPollutedZhujiangRiverWaterbyBiofilmProcessLiJiajiu　　YangWenjin　　ZhuJianguo(CentralandSouthChinaMunic.Eng.Res.AndDesignInstitute,Wuhan430010,P.R.China)FanCiqiao　　ChenKerong　　ShenJun(GuangzhouWaterSupplyCompany,Guangzhou,P.R.China)Abstract:AstudyofpollutedZhujingRiverwaterpretreatedbybiologicalcontactoxidationprocessisreportedinthispaper.Pilotscaletestshowedthat92%ofammonianitrogen,80%ofnitritenitrogen,85%ofBOD5,69%ofalgaecoulderemovedbytheprocessatthehydraulicloadingof1m3.(m2·h)andair-waterratioof2:1.Thetreatmentefficiencyofthisprocesswashigherthanthatoftowerbiologicalfilter.Keywords:drinkingwatetreatment　biologicalcontactoxidationtank　towerbiologicalfilter　removalefficiencyTreatmentofKitchenWastewaterbyCoagulationandMagneticSeparationZengSheng　　ZhuYouchun(Depart.ofEnviron.andResourceEng.GuangdongUniv.ofTechnology,Guangzhou510090,P.R.China)Abstract:Treatmentofkitchenwastewaterbycoagulation-magneticspearationmethodisreportedinthispaper.Thedosageanddosingsequenceofmagneticpowderandcoagulantwerestudied.Thecomparsionbetweencoagulation-magneticseparationandconventionalcoagulationwasalsocarriedout.Theconcentrationofoilandsuspendedsokidswerereducedfrom149mg/Land285mg/Lininfluentto5.2mg/Land68mg/Lineffluentre-spectivelyaftertreatmentbytheequipmentdeveloped.Spaceoccupiedbythe