AAO法在焦化废水处理中的运行与管理邢向军

5　,,2d,。2t(),∶∶=3∶3∶8,。5d,3mm,15d,,2～3mm,,,:CODCr50.5mgL,BOD59.7mgL,SS15mgL,0.13mgL,1.5mgL,pH6.15。,。3a,,,,,。6　,A2O。,,,。,。　　523000　　　[phone](O)E-mail　[e-mail]2004-07-05A-AO法在焦化废水处理中的运行与管理邢向军　周集体(,116024)　成耀武(,117000)童　键(,116024)　根据本溪北营钢铁公司的实际污水处理工程建设与运行调试情况,介绍了焦化废水A-AO系统的工艺流程和原理,并对开工调试中污泥培养驯化及影响硝化反硝化反应的因素进行了探讨。　焦化废水　硝化-反硝化　运行管理1　、,:,,,;,;、。,,、、、。,50%[1],、、BOD5,CODCr。,CODCr、NH3-N。2000,70m3h,A-AO。、、,《》(GB13456-1992)。2　2.1　焦化废水水质、、,,。1。2.2　工艺流程及原理[2]。。29　　　20054232DOI:10.13205/j.hjgc.2005.02.011(NO-3-N),(N2)。1　mg·L-1mg·L-1CODCrmg·L-1mg·L-1pHm3·h-1120～200020～1004000～10000300～7005.5～9.025～457002030003006～9350.50.5150256～9　　A-AO,,,A-AO。、,(AO)。,()。。A-AO。　2.3　主要构筑物及设备2.3.1　、。　35m3h,,,,;,,2#。　,,。,1#。。　,。,,,,,,,,。3#。35m3h。2.3.2　、、、、、。　,()。,,3#,。　,,(),NO-2-N;NO-3-NN2,。　。。,,,,。(Na2CO3),。50%～100%。,,。,,。　,。,,。,,,。　。23,。4#,,,。,。30　　　200542322.3.3　CODCr,、。　,,(PFS),(PAM),。,,,,,。　、,。2.3.4　,,,,,。,,2d,2h,98%。,。3　3.1　调试运行2003,,1%,。,,104%,13th,140mgL,CODCr2000mgL。11。,、。3.1.1　2.5%,10th,、(),1。20d,,。,(SV)30%,,,2,CODCr。300mgL,200mgL,20mgL;35～45℃,25～35℃,pH6～9。3.1.2　,,、BOD5∶N∶P=100∶5∶1()。,,,,,。2,SV3030%,30～35th,、0.5mgL,CODCr200～300mgL。3.1.3　,pH,7～8.5,,DO3～5mgL,1,,,。。SV25%,MLSS2.5gL,,DO,,。3.1.4　,100～300mgL。,,;,,CODCr。3.2　影响因素3.2.1　(DO),NH3-NNO-2-N。DO。DO,,31　　　20054232DO0.5mgL,。,DO3～5mgL。,。,,,。DO0,;DO,0。DO0.5mgL,DO,1.0mgL。2,,,,,2mgL,0,,,,,SVMLSS20%2.5gL,30%60%。3.2.2　。25～35℃,25℃30℃,5℃。4#,。3.2.3　pHpH8.0～8.4,Na2CO3。pH7～8,8.5,,pH9.0,,0。,pH(5.0～10.0),pH6.5,。20045,NaOH,,pH,。,300～700mgL100～200mgL,pH8.0～9.0。80%,,60%。3.2.4　(CN),,,,,BOD5TN3CODCrTKN4。BOD5TN3,,,。BOD5TN3,。CODCrNH3-N6。3.2.5　,2～3gL,10～15d,MLSS3gL50d[3]。3.2.6　(31h),,;,。、、、、NO-2-N,。NaOH,,CODCr,CODCr70%90%,,CODCr150mgL。4　(1)A-AO,CODCr、96%、86%,GB13456-92。(2)A-AO,。,;,。(3),CODCr30%～50%。1　,...2001.21(3):144～149.2　,..:,2003.3　..,2001.3:39～40.　　116024　　(0411)84706251　8470653E-mail　[e-mail]2004-06-2232　　　20054232APPLIATIONOFUPFLOWANAEROBICSLUDGEBED-CONTACTOXIDATIONPROCESSINTREATMENTOFETHANOLWASTEWATERFanXinshengetal(21)……………………………………………Abstract　TheapplicationofUASB-contactoxidationprocessintreatingethanolwastewaterispresented.TheoperatingresultshaveshownthatwhentheinfluentCODCr,BOD5andSSareinrangeof18000～21000mgL,10500～12000mgLand16000～18500mgLrespectively,theeffluentofthesystemisgoodenoughtomeettheclassⅡguidedbyNationalWastewaterIntegratedDischargeStandard(GB8978-96).Keywords　ethanolwastewater,UASBreactorandcontactoxidationSTUDYONTREATMENTOFPHOSPHORICCOATINGWASTEWATERWuJuzhenetal(23)………Abstract　Thedefattedwastewaterwaspretreatedbyheatingordemulsifiedbyacidification;thenthephosphorizedwastewaterwasexpreiencedadvancedtreatmentbycoagulation-flocculation-sedimentation-airfloatprocess.Thecombinationofsuitablechemicals,inorganiccoagulantandhighpolymerflocculantcanreducedremarkablythecontentsofCODCr,oilandSSofthewastewater.ThetestsshowthattheprocesscanreduceCODCrfrom900～2200mgLtobelow50mgL,theoilcontentfrom300～800mgLtobelow5mgLandSSlessthan45mgL.Alltheindexesmeetthesecond-orderof“NationalWastewaterDischargeStandard”(GB8978-1996).Keywords　flocculant,phosphorizedwastewater,wastewatertreatment,emulsifiedoil-bearingwastewateranddemusificationAPPLICATIONOFLKMTYPEFLOCCULANTINTREATMENTOFOILYWASTEWATERSongYongjietal(26)………………………………………………………………………………………………………………………Abstract　LKMtypeflocculantpossessesofhigh-anti-emulsificatonability,goodwatersolubility,goodstabilityandusability.ThecostofitsmultipleprescriptionLKM-5715islowanditsflocculationresultisperfect.Theinsituindustrialexperimentsindicatedthatatsimilardeoilingefficiency,itsconsumptionwas12～15amountofpoly-aluminumchloride.Theproductionofscumwaslittleandeasytodisposeandutilize.Insteadofpoly-alminumchloride,LKM-5715typeflocculantcanbewidelyutilizedinthetreatmentofoilywastewater.Keywords　wastewatertreatment,flocculantandapplicationstudyENGINEERINGEXAMPLEOFTREATINGHOTELSEWAGEBYA2OPROCESSYuXiuhuaetal(28)……………………………………………………………………………………………………………………………………Abstract　Thedesignedtreatingcapacityofawastewatertreatmentplantforahotelwas800m3d.TheA2OprocesswasusedandtherunningresultsoftwoyearsshowedthatwhenCODCr,BOD5,SS,NH3-Nandanimal&plantoiloftheinfluentwere250～300mgL,100～150mL,120～140mgL,25mgLand50mgLrespectively,thequalityoftheeffluentcouldmeetthefirst-orderduringsecondperiodof“DischargeLimitsofWaterPollutants”(DB4426-2001)inGuangdongProvince.Keywords　hotelwastewater,A2OprocessandfullyembeddedstructureOPERATIONMANAGMENTOFA-AOPROCESSINCOKINGWASTEWATERTREATMENTSYSTEMXingXiangjunetal(29)…………………………………………………………………………………………………Abstract　AccordingtotheactualcircumstanceofconstructionandoperationofwastewatertreatmentprojectinBeiGangGroupCompany,biologicaldenitrogenationtheory,A-AOtechnologicalprocess,domesticationsludgeandoperationmanagmentwerediscussedinthispaper.Thefactorsinfluencingthebiologicaldenitrogenationandnitrogenationwerealsoexplored.Keywords　cokingwastewater,nitrification-denitrificationprocessandoperationmanagmentAPPLICATIONOFSIMPLIFIEDACTIVATEDSLUDGEMODELTOURBANWASTEWATERTREATMENTPLANTLiuFangetal(33)………………………………………………………………………………