第38卷第1期辽 宁 化 工Vol.38,No.12009年1月LiaoningChemicalIndustryJanuary,2009刘海滨,李亚峰,李亭亭,田西满,姚敬博(,110168) : ,,。DO0.25~0.75mg/L,,DO;,DO。 : ;;SBR: X703 : A : 1004-0935(2009)01-0035-04 [1-2],,DO,,80%。,DO,,,。0.5mg/L[3],。DO0.5mg/L,,,,。1 1.1 SBR150mm,500mm,7L。,DO,pHNaHCO37.0~8.5。SBR1。1.2 [4]:(NH4)2SO4:1.18g/L;NaHCO3:3.00g/L;CaCl2:0.10g/L;MgSO4·7H2O:0.015g/L;KH2PO4:0.08g/L;0.5ml/L(:0.17g/LMn2SO4·H2O;0.11g/LNaMoO4·2H2O;0.20g/LCoCl2·6H2O;0.10g/LZnSO4·7H2O;0.04g/LNiCl2·6H2O0.24g/LFeCl3·6H2O)。,NO3-N3.16~4.31mg/L。。1 SBR1.3 NH+4-N:;NO-2-N:N(1-)-;NO-3-N:[5];MLSS-;DOHACHSensION8;pHWTWpH526。1.4 30min,DO,1。,1AR1,AR2,AR3,23±1℃,pHNaHCO3 收稿日期: 2008-12-01 作者简介: 刘海滨(1983-),男,在读硕士研究生。6.7~7.0,3500mg/L,。1 DO/(mg·L-1)(AR)/(mL·min-1)AR10.25~0.3310~330AR20.5~0.55400~420AR30.7~0.75530~5502 2.1 30,12h,0.5h,10h,1h,0.5h。12。20。2.1.1 23。1~20AR1,21~40AR2,41~60AR3。2 32AR150%,DO,DO0.2~0.3mg/L,10h50%~60%;AR2AR3,95%,,AR1,,,,,。2.1.2 33。3 3,AR1,,3,71.21%,AR260.42%,AR349.84%。,,DO,,,DO,NO-2-N,DO,NO-2-N,;DO,,DO,,DO,DO,,,。,2.2。2.2 DO2.13,,,3,,2.1,,,。95%,4、5。36 辽 宁 化 工 2009年1月2.2.1 4,3,VAR3VAR2VAR1,,,,DO,。4 =NO-2-N/NH-4-N×100%2PAR1PAR2PAR3,DO,,。2 NO-2-N/(mg·L-1)NO-2-N/(mg·L-1)/(mg·L-1)NH-4-N/(mg·L-1),%AR167.359138.01670.657106.26866.5AR274.133139.97865.845107.18961.4AR359.361124.35564.994111.17558.5,DO,DO,,,,。2.2.2 53NO-3-N。5,,,,VAR3≈VAR2VAR1,,。,,,NOB,,,DODO95%0.3~0.8mg/L,,,,。5 ,DO3,,AOB,NO-2-N,,2,AOBNOB,,,AOB,NOB,。3,,AOB,NOB,,3,NOB。1、2,3。95%2、3。3 NO-3-N/(mg·L-1)NO-3-N/(mg·L-1)NO-3-N/(mg·L-1)1、2/(mg·L-1)3/(mg·L-1)1、2/h3/hAR129.54957.01359.96527.4642.952141AR243.6272.382104.42428.76232.04279AR364.1896.341132.38432.16136.043610(下转第65页)37第38卷第1期 刘海滨,等:低浓度下短程硝化试验研究 [10] .[J].,1999(1):64-65.[11] ,.[J].,2007,16(7):55-57.[12] .[J].,1988(3):10-15.[13] ,.[J].,2008,3(467):65-68.[14] ,.[J].,2006(2):29.TheEnvironmentInfluenceofIron-oreMiningGAOYa-ling,YANGWei,WANGShuoAbstract:Theenvironmentproblemswhicharecausedbyiron-oremininghavebeendrawingmoreattentiondaybyday.Thecharacteristicsofiron-oreresourceinChinabothhaveadvantageanddisadvantageatthesametime,theminingactualityisoutofoptimism.Thewholeminingwhichincludesmining,ore-dressing,ore-dischargeandtailingdischargehavebroughtlotsofenvironmentinfluencetozonebesidethecorporations.Finally,somevaluablemeasureswerebroughtforwardinthispaper.Keywords:Ironore;Miningactuality;Environmentinfluence;Measure(上接第37页)3,31、2,5,。DO0.25~0.75mg/L,。,0.25~0.75mg/LDO,。DO,,1、2,3,3,3,3,,NO-2-NNO-3-N,。DO,,DO1、2,3,。3 (1),,。(2)DO0.25~0.75mg/L,,DO;,DO。(3),DO,3,,。[1] ,.[J].,2002,18(6):29-31.[2] .,[J].,2002,18(6):29-31.[3] hanakiK,wantawinC,Ohgaki.Nitrificationatlowlevelsofdissolvedoxygenwithandwithoutorganicloadinginasus-pendengrowthreactor[J].WatRes,1990,24(5):1668-1672.[4] ,.[J].()2006,46(12):2077-2080.[5] .[M].:,2003.StudyonShortcut-nitrificationProcessUnderLowDOLevelLIUHai-bin,LIYa-feng,LITing-ting,TIANXi-man,YAOJing-boAbstract:Intheprocessofshort-cutnitrificationunderlowDOlevel,DOisthelimitingfactorofthereaction,theNH+4-NRemovalefficiencyisdecideddirectlybytheoxygenconcentrationandthereactiontime.Inthelowdissolvedoxygenwithintheframeworkof(0.25~0.75mg/L),theoxidationrateofammoniaishighandmarkedlyeffectedbyDOvalue,thenitrousoxida-tionrateissmallandlittleeffectedbyDOvalue.Keywords:LowDOlevel;Short-cutnitrification;SBR65第38卷第1期 高雅玲,等:铁矿开采的环境效应