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——1,2,1,3(1.,338001;2.,341000;3.,338001)[],COD。,,——,+。,,《》(GB13456—1992)。[];;;[]X703.1[]B[]1005-829X(2011)04-0072-04TreatmentofcokingwastewaterbyO1-A-O2technologyHuangLang1,WangGuocheng2,LiuHong1,WangAiping3(1.DepartmentofSafetyandEnvironment,XinyuIron&SteelGroupCo.,Ltd.,Xinyu338001,China;2.SchoolofMaterialandChemicalEngineering,JiangxiUniversityofScienceandTechnology,Ganzhou341000,China;3.CokingPlant,XinyuIron&SteelGroupCo.,Ltd.,Xinyu338001,China)Abstract:TraditionalactivatedsludgetreatmenttechnologyhadbeenusedfortreatingthecokingwastewaterinXinyuIron&SteelCo.,Ltd.,butbothoftheCODandNH3-Nintheeffluentdidnotreachthemarkofthenationaldischargestandard.Inordertoachievethecomprehensivefulfillmentofcokingwastewaterdischargeandbasedontheeffluentwaterquality,O1-A-O2technologyhasbeenusedmainly,improvingtheoptimumphysicochemicaltreat-ment+biochemicaltreatmentprocess.TherunningresultsshowthatitseffluentwaterqualitymeetsthedemandsofthefirstclassofDischargeStandardofWaterPollutantsforIronandSteelIndustry(GB13456—1992)completely.Keywords:cokingwastewater;aerobic;anoxic;physico-chemicaltreatment、、、、,、,〔1〕。,A/O、A/O2、A2/O2〔2-5〕。,19707,4JN43-802JN602,,,,,、,。6,,,。,3.5~45,。[](1972—),2004,。:0998-7520601,E-mail:zxy651908@163.com。[]2010-12-29()200820091—9/t60774640/t24.214.4/t20.313.8/(·t-1)0.0120.012/t10075/t70.745.5!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!31420114IndustrialWaterTreatmentVol.31No.4Apr.,2011721、/(m3·h-1)/℃/(mg·L-1)COD1094070012008.2904000~5700260151301400240100100840010001134067711608.3296.24721,。1,3,113m3/h。,150m3/h,(37m3/h)。2pH6~8,COD3500~4000mg/L,≤400mg/L,≤700mg/L,≤15mg/L,≤50mg/L。《》,COD≤100mg/L,≤15mg/L,≤0.5mg/L,≤0.5mg/L,pH6~9。33.1、3。+、S2-;O1-A-O2、、;+COD。+,。1。13.23.2.1,,。20m×8m×6m,,880m3,7.8h。,260t。1,→→→→,,,,。20,、,,70m3/h,COD,COD210mg/L,31mg/L,《》(GB13456—1992)。,——、。1a、、,《》。1、、、。,(、)。、1。2011-04,31(4),:——732,11。,。3.2.2、,,,。27m×16m×6m,,2376m3,15.8h。1,,。,:,,,,,。、、、。3.2.3,CN-SCN-。2,37m×12m×5.2m,,4174m3。。3.2.4,。2,D12m×3m,,588m3,0.66m3/(m2·h)。2。,,75%,。3.2.5,NO2-NO3-(N2、N2O),COD。2,17m×18.5m×5.5m,,3145m3。QJB4/122,11。3.2.6,,。,(NO2-NO3-),,200%~400%。2,45m×18m×5.5m,,7614m3。,3,21,Q=130m3/min,N=160kW。3.2.7。2,D12m×3m,,588m3,0.66m3/(m2·h)。,,2。,,75%,。3.2.8。1,6m×6m×3m,,90m3,、、,COD。,2,D10m×3.7m,,518m3。3.2.9、、,,,。1,D8m×4m,,181m3。2,11,80m2。、,。。420085,。50d,。,200911—12,2~5。2COD2011-04,31(4)7434、5pH,《》,。、,〔6-9〕。52550,、、、1611,、、939。、。16210.8/d,4.5/t。6+,COD。,——、,《》,,,,。[][1].[M].:,2006:29-30.[2],,.A/O2[J].,2007,33(3):69-70.[3],.A2/O2[J].,2007,38(2):74-76.[4],,.A/O2[J].,2007,25(2):36-38.[5],,.A/O[J].,2006,29(10):85-86.[6],.[J].,2005,25(5):46-49.[7],.O/A-OHSBEMBM[J].,2007(3):6-10.[8],.HSBEMBM-[J].,2007(3):18-20.[9],,.HSB[J].,2009,47(3):5-7.[](1976—),2007,,,、。:13667905971,E-mail:huanglang2005@sina.com。[]2011-01-25()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!,。20103.17,0.585,58,18。,2000,。13.5km,17.85km2,,。(2010-11-29)··2011-04,31(4),:——75
本文标题:好氧兼氧好氧技术处理焦化废水黄浪
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