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25420077()JournalofBeijingTechnologyandBusinessUniversity(NaturalScienceEdition)Vol.25No.4Jul.2007 :1671-1513(2007)04-0008-04A2/O由雪峰, 汪 苹, 冯旭东, 李志军(北京工商大学化学与环境工程学院,北京 100037) :采用A2/O法与混凝法联合处理垃圾渗滤液,经过A2/O法生化处理,CODCr从5900~7600mg/L降到1000mg/L左右;NH3-N浓度从1740~1850mg/L降到未检出水平.对沉淀池出水进行混凝处理研究,在综合考虑经济效益和CODCr去除率的基础上,确定了最佳絮凝剂投加浓度,即聚丙烯酰胺浓度为2mg/L,聚合氯化铝浓度为1000~1200mg/L,出水的CODCr为435mg/L.:垃圾渗滤液;A2/O;PAM;PAC:X703.1 :A:2007-03-22:(1981—),,,,. ,,,.,,、、[1-3].,,,,,.,,、.,、.[4]※/SBR※;[5]※※(MBR)※(RO).:,、,,8~10A,,;MBRRO,,,2~3,;[6,7],.,,,NH3,.A2/O,A2/O、、,(),A2/O,.,,,.1 1.1 ,,1.1 CODCr/(mg·L-1)BOD5/(mg·L-1)NH3-N/(mg·L-1)pH,6260~76003500~37501740~18508.26~8.79,30-38.11~8.5381.2 A2/O,1.、、,、,.,Ⅱ,.,,,,1 A2/O,2.2 pHCODCr/(mg·L-1)NH3-N/(mg·L-1)pHCODCr/(mg·L-1)NH3-N/(mg·L-1)2-178.4318203808.5514303672-247.6721404998.7117405212-287.7019605578.7518605343-38.4917605708.541300507 2,、NH3-N380~570mg/L,,,.、(SV)37%,48%.NH3-N,,NH3-N,.2 A2/O2.1 2,NH3-N(380~570mg/L),,NH3-N.,、(1),NH3-N.,.,NH3-N160mg/L,NH3-N140mg/L.2,(DO)11.7~12.2mg/L,pH7.94~8.00,,,.,CODCr372mg/L,NH3-N91mg/L;CODCr179mg/L,NH3-N75.6mg/L.3,CODCr10.4%,NH3-N6%,,.,DO4.0mg/L,DO1mg/L,pH7.5.,..22,NH3-N,NH3-N,NO-2-NNO-3-N.,、,SV40%,,、,.2.2 ,,,0.3~0.5m3/h0.8~1.0m3/h.,pH,.1CODCr2.2,CODCr6000~7000mg/L,400~600mg/L.70h170hCODCr,,,CODCr.10d,CODCr.1NH3-N3.NH3-N1600~1700mg/L,9254 :A2/O2 0.3~0.5m3/hCODCr3 0.3~0.5m3/hNH3-NNH3-N.3,(70h170h),NH3-N,,.2,(),.CODCrNH3-N4、5.4 0.8~1.0m3/hCODCr4,CODCr1000mg/L,.5,NH3-N,,.5 0.8~1.0m3/hNH3-N3 A2/O A2/O,CODCr1000mg/L,BOD5100mg/L;BOD5/CODCr0.1,.,,6、7.6 PAMCODCrPAC7 CODCrPAC6,(PAM)10() 200772mg/L5mg/L,CODCr(PAC),PAM2mg/L,PAC1200mg/L,CODCr49.6%;PAM5mg/L,PAC400mg/LCODCr43.5%.,PAMPAC10,PAM2mg/L.7PAM2mg/L,CODCrPAC.7,,CODCrPAC,PAC1000mg/L;5minCODCr15min,CODCr56.5%,CODCr435mg/L.4 1),NH3-N,NH3-N100mg/L..2)A2/O,CODCr5900~7600mg/L1000mg/L;NH3-N1740~1850mg/L.3)CODCr,PAM2mg/L,PAC1000~1200mg/L;,CODCr435mg/L,(CODCr1000mg/L).:[1] ,.[M].:,2002.[2] ,.[J].,2003,29(10):26-29.[3] .SND[J].,2004,22(6):7-10.[4] ,,,.:,03118156.2[P].2003-08-06.[5] ,,,.:,03132053.8[P].2004-03-03.[6] ,.[J].,2003,19(5):44-45.[7] .-SBR-[J].,2000,22(3):65-67.LANDFILLLEACHATETREATMENTBYA2/OANDCOAGULATIONYOUXue-feng, WANGPing, FENGXu-dong, LIZhi-jun(CollegeofChemicalandEnvironmentalEngineering,BeijingTechnologyandBussinessUniversity,Beijing100037,China)Abstract:LandfillleachatewastreatedbyA2/Oandcoagulation.TheCODCrandammoinaNitrogenofleachatecanbereducedfrom5900~7600mg/Ltoabout1000mg/Land1740~1850mg/Ltoanot-detectedlevelrespectivelybyA2/Otechnics.ConcerningeconomicbebefitandCODCrremovaleffi-ciency,thecompositionandconcentrationofcoagulationagentfortreatingeffluentofbio-treatmentaredeterminedasPolyacryiamide2mg/LandPolyaluminiumChloride1000~1200mg/L.Aftercoagula-tion,theCODCroftheeffluentcanreach435mg/L.Keywords:landfillleachate;A2/O;PAM;PAC(:)11254 :A2/O
本文标题:A2O法与混凝法联合处理垃圾渗滤液由雪峰
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