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当前位置:首页 > 商业/管理/HR > 质量控制/管理 > GAC石英砂滤池处理高氨氮原水的生产研究陈艺韵
6GAC-,(,510006):,GAC-,。:GAC-,2.08mg/L,1.0mg/L,33.8%。、、、pH、、、。,;2~4mg/LpH7.5;36h;GAC-。GAC-;;;;X131.2Adoi10.3969/j.issn.1003-6504.2010.06.0111003-6504(2010)06-0045-04GAC/Quartz-sandDuelMediaFilterforTreatingRawWaterwithHighNH3-NConcentrationCHENYi-yun,LUShao-ming(SchoolofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China)Abstract:ThispaperdescribesaninsituexperimentalwatertreatmentforhighammoniarawwatersourcesituatedonthePearlRiver,GuangzhouCity,usingaduelmediafilterofgranularactivatedcarbon(GAC)plusquartz-sand.Thecomparativestudyshowstheduelmediafilterisbetterthanconventionalsandfilterinammonianitrogenremoval.Factorsnegativelyaffectingtheremovalarepointedout,suchaslackofDO,highresidualchlorine,decreasedpHandworsenedrawwaterquality,andsuggestionforimprovementismadeaswell.Keywords:GAC/quartz-sandfilter;ammonianitrogen;activatedcarbon;backwash;processimprovement,《》(GB3838-2002)Ⅳ~Ⅴ,Ⅴ,,《》(GB5749-2006)。,。GAC-,、、、,[1-2]。GAC-,:(1)、,;(2),,,。,,GAC-,。1GAC-1.1GAC-,1。1.21.2.1,Ⅳ~Ⅴ,Ⅴ,。10121。2009-05-01;2009-06-15“GAC”(G01D8074330)(1985-),,,,()13631368016()channelchan@163.com。EnvironmentalScience&Technology33620106Vol.33No.6June2010331.2.2GAC-。0.7m,准0.8~1mm,0.5m,(1.5±0.2)mm。,0.9m。:12.5m×7.6m,8~0m/h,687.5~791.7m3/h,。1.3、,,GAC-。、、pH、、、、。、。。27,331,10261126。14~28℃,22℃。,GAC-,。、2.34mg/L、0.21NTU,15.1%、86.4%。2.1(NH3-N)2。1.35~5.61mg/L,3.57mg/L。GAC-2.08mg/L,1.02mg/L,33.8%;3.34mg/L,0.23mg/L,6.63%。,3.5mg/L,GAC-,,1.0mg/L。,、。,。GAC-。3NH3-N,NH3-NNO2--NNO3--N。,.2:2NH3-N+3O2→2NO2--N+2H++2H2O2NO2--N+O2→2NO3--N,,2,.。,GAC-:(1);(2);(3);(4),、pH、、。3.13.1.1pH3。,。2.04~3.76mg/L,3.0mg/L;GAC-0.10~0.34mg/L,0.23mg/L,92.2%;1.29~3.16mg/L,2.52mg/L,16.2%。1Table1Thewaterqualityparameterofrawwaterinlowwaterperiod(mg/L)(mg/L)(NTU)(mg/L)pH7.747.5739.46.93.201.680.686.906.70.724.563.5814.56.81.695.467.874.138.44.531.101.100.576.41.182.523.491.357.62.66466,,。,。,,,,BOM(),。,pH6.4~8.8,7.6;GAC-pH7.2;pH7.5。GAC-pH,。pH,pH6.58.5,38.4%90.4%,pH,O2[3]。3.1.24。1.20~4.78mg/L,2.70mg/L;GAC-1.95mg/L,26.7%;3.56mg/L,36.53%。GAC-,,;,,。、,1:4,1mgNH3-NNO2-N,3.34mg,1mgNO2-NNO3-N1.14mg。,,,,33.8%。3.1.3,NH3-N3.0mg/L,50%。,,NH3-N3.50mg/L、2.52mg/L。NH3-N,,,,,,。3.23.2.1(1)。,“”,。24,,5。GAC-2h,,。(2)。:(1),;(2),,。,15L/(m2·s),10~12L/(m2·s),24h。GAC-,,,。20℃24~26hGAC-4733,,。GAC-BAC,,,,。[4],GAC-36h,。3.2.2(1)。,、《》(GB/T7702.6-1997)(GB/T7702.7-1997),2,5,20cm48mg/g、63mg/g,242mg/g、274mg/g。,,。GAC-,,、,。,,,,,,;,。(2)(EBCT)。GAC-50cm,,3~4min。,pH5.6,GAC-pH7.2,[5]。4(1),,。(2)1.95mg/L,。,2~4mg/L,。(3)NH3-N3.50mg/L、2.52mg/L,,,,。(4)pHO2,pH7.5。(5)-,15L/(m2·s),10~12L/(m2·s),,2h,。,36h。(6)5,。,。[][1],,,.[J].,2007,33(8):11-15.WangGuang-zhi,LiWei-guan,WangRui,etal.StudyonemergentapplicationofcombinedactivatedcarbonandsandfilterinSonghuaRiverpollutionaccident[J].Water&WastewaterEngineering,2007,33(8):11-15.(inChinese)[2],,.GAC[J].,2009,32(5):138-140.LuoGuo-rong,LuShao-ming,YangLi.GACenhancedsandfiltrationformicro-contaminatedwater[J].Environmen-talScience&Technology,2009,32(5):138-140.(inChinese)[3],,,.pH[J].,2008,(04):56-59.LiZhi-xia,WangLei,WangTao,etal.EffectsofpHonnitrificationusinghomemadeprobes[J].EnvironmentalPollution&Control,2008,(04):56-59.(inChinese)[4],,,.[J].,2004,(05):52-56.ZhangSheng,LiuYang,ZhangXiao-jian,etal.Treatingofalgae-ladenrawwaterwithGAC-sanddualmediadeepbeddissolvedairflotation/filtration[J].EnvironmentalScience,2004,(05):52-56.(inChinese)[5],,,.pH[J].,2003,(05):319-322.WangXin-wei,KongQing-xin,JinMin,etal.EffectofpHandaerationonnitrificationofnitrobacteria[J].JournalofPreventiveMedicineofChinesePeople'sLiberationArmy,2003,(05):319-322.(inChinese)2Table2Performanceparameterofactivecarbon7891011(mg/g)16615815113511820cm153146130103(mg/g)95383175271371120cm78172669967948
本文标题:GAC石英砂滤池处理高氨氮原水的生产研究陈艺韵
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