吹脱AO工艺处理氮肥企业高氨氮废水的工程实践王献平

3　(1),,,,,,。(2)、,,,。(3)1,,,。[1]　,,,..,2005,23(5):15-17.[2]　,,..,2003,21(1):13-15.[3]　,,..,2003,21(6):16-18.[4]　,..,2002,18(12):77-78.[5]　,,.,,2003,17(3):42-44.　　266033　11　　(0532)85073270E-mail　[e-mail]2006-12-20+AO王献平　李　韧(,471039)　针对河南某氮肥企业高氨氮废水采用吹脱+AO工艺处理的成功实践(当进水氨氮浓度在641～868mgL时,出水始终稳定在1mgL左右),分析了工程设计与调试中应注意的问题,可供此类污水处理工程设计参考。　氮肥企业　高氨氮废水　吹脱AO1　、、。,、,、、。,、、、、。,、、。、。。,,,。1。2　2.1　氮肥厂情况简介8ta,13ta,2t。1　[1]mgLNH3-N、CODCr、SS467～929、、、、CODCr、SS48～187、CODCr、SS9～14、CODCr、SS28～48、CODCr、CN-、、SS、、S2-180～440、、CODCr456～600、CODCr、SS、S2-510～573638～1259324～366Na2CO3“”。()102　　　200710255DOI:10.13205/j.hjgc.2007.05.030,,(20m3h)。2.2　设计进、出水质指标20m3h,、2。2　mgL(pH)pHCODCrNH3-N8.0～9.080010006.0～9.01001002.3　处理工艺流程1。1　(NH4+)(NH3)。:pH,pH,。,pH7,pH11,98%。pH,。、。。,,。pH,,,,,,。AO,。AO,。2.4　主要工艺参数及设施2.4.1　4h。1,2(11),2(11、Q=25m3h)。2.4.2　1.96m3(m2·h),3400m3(m3·h),:3.6m×7.5m。1Q=68000m3h,45m3。2.4.3　2h。CO2,,2(11)。2.4.4　2h,3000mgL,1。2.4.5　24h,3000mgL,NH3-N0.15kg(kg·d),,2(11,Q=9.35m3min);2(11,Q=60m3/h),3∶1。2.4.6　2.5h,2(11,Q=20m3h)。2.5　处理效果20051226,4,。(3),CODCr719～1596mgL、NH3-N641～868mgL,CODCr15.9～57.1mgL、NH3-N0.16～1.4mgL,。3　mgL(pH)pHCODCrNH3-N10.38～11.0812787839.05～9.111162471A8.44～8.7660O8.02～8.211.17.80～7.89431.03　3.1　设计存在的不足,AO500mgL,AONO-2,CODCr。pH,pH9,,pH10.38～11.08,pH9,。,pH10,AO。,,,103　　　200710255,,。3.2　调试过程中应注意的问题3.2.1　AO,。、,,。,,BOD510～15d;,8～10d。3.2.2　,1.5～2.0mgL,0.5mgL;0.5mgL。3.2.3　pHHNO3,pH6.58.8,。,,,pH6.5～8.0。pH,pH7.5～9.2。3.2.4　AO,。,NO-3-N;NO-3-N,。,。2～4。3.2.5　CN,BOD5N(CN)2.86,。CN2.86,CN3,,,,。,1.0gNO-3-N2.6g,0.56g。3.2.6　,(),。、,、,。As、Cr、F,CrAsF;Cr、Ni、Zn,Ni,,,2～75mgL,,CN-,CN-。3.2.7　,CNP100∶5∶1。P,P,。3.2.8　5～45℃,35℃,35～42℃。15℃,;10℃,30℃25%;5℃,,20～40℃,15℃。45～50℃,90℃,,AO28～35℃,,。,AO。4　,+AO,800mgL,1mgL,。[1]　..,1999(7):34-35.　　471039　13　　(0379)64819361E-mail　[e-mail]2007-03-09104　　　200710255Abstract　Eachindexconsistsofatmosphereenvironmentqualityandithasitsownattribute,importanceandcomparability,whichmakestheprocessofscheme'sselectiongray.Thegrayrelationprojectionmethodisimprovedthroughdifferentiatecoefficientintroducedthatissuitablefordifferentsituationandweightaccountingbasedoninformationentropy,whichmakesevaluationofatmosphereenvironmentqualitymuchmoreobjective,equitableandaccurate.Inconclusion,instancedemonstratesthatthemethodisefficientandfeasible.Keywords　grayrelationprojectionmethod,atmosphereenvironment,informationentropyandqualityevaluationCOMPREHENSIVEASSESSMENTONSURFACEWATERENVIRONMENTAPPLYINGTHEIMPROVEDOSCULATINGVALUEMETHODHuangYue　ZhangJiangshan(91)……………………………Abstract　Inviewofthepracticalproblemoftheosculatingvaluemethod,thisessayintroducesthetargetdispersionrateandtheconceptofsuppositionalstrengthsandweaknesses,andfurtherimprovestheosculatingvaluemethod.Byapplyingtheimprovedosculatingvaluemethodtothecomprehensiveassessmentonsurfacewaterenvironment,theresultprovesthatthemethodisclearandeasytofollow,andisalsoconvenientandpracticalincalculating.Theresultoftheassessmentcanalsoprovidemuchpotentialinformation.Theresearchsuggeststhatthemethodisaneffectivewayofcarryingoutthecomprehensiveassessmentonsurfacewaterenvironment.Keywords　waterenvironmentqualityevaluation,osculatingvaluemethodandtargetdispersionrateCLEANPRODUCTIONPRACTICEOF502LuoGuogen　XiangZhaobang(95)………………………………Abstract　Itisanalyzedtheconditionsofthecleanproductionoftwo502enterprisesinTaizhouCity,summarizedtheirexperienceandachievement.Itisalsoputforwardthecleanproductionpotentialitiestoadvanceconservationofenergyandrawmaterials,reductionofpollution.Keywords　502,cleanproduction,conservationofenergy&rawmaterialsandreductionofpollutionRESEARCHONSLUDGEREDUCTIONDURINGINDUSTRIALWASTEWATERTREATMENTPROCESSChenXi(97)……………………………………………………………………………………………………………Abstract　Basedonthepropertiesofwastewatertreatmenttechniquesitisaimportantmethodforreducingsludgefromthesourceoftreatmentunit.Itwasprovedthatsludgeproductioncouldbereducedbycontrollingthetemperatureofanaerobicreaction,enhancingtheheightofUASBreactorandadjustingtherouteofsludgecircumfluenceduringalcoholwastewatertreatmentprocesswithoutadecreaseinwastewatertreatmentefficiency.Theresearchresultscouldbeappliedontechnicsdesigningofwastewatertreatmenttoreducethesludgeproductionofwholetreatmentsystem.Itisalsoworthwhiletocarryoutwell-balancedrunningofwastewatertreatmentsystembydepressingthesludgetreatingfeesthroughsludgereduction.Keywords　wastewatertreatment,sludgetreatmentandsludgereductionAPPLICATIONOFBIOLOGICALCONTACTOXIDATIONPROCESSINREFORMINGSHOPPINGCENTERCOMPREHENSIVEWASTEWATERTREATMENTWangWeigang　GuanXijun(100)…………Abstract　Biologicalcontactoxidationprocessandregulationofaircapacitywereusedtomodifytheformerprocesssoastodisposeshoppingcentercomprehensivewastewater.Whosedesigncapacitywas400m3d.CODCrcontainedininfluentwas1083～1146mgL,SS315～436mgL,afterdebugging,CODCrineffluentwas126～145mgL,SS65～83mgL,theremovalratesofCODCrandSSwere87%～93%and79%～81%.Theeffluentqualitycouldreachthestandardofthenationalsecondclassdischarge.Keywords　biologicalcontactoxidationprocess,shoppingcenter,comprehensivewastewater,debugginga