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PAC—MBR裴 亮1, 董 波2, 姚秉华1, 张雪婷3(1.西安理工大学水利水电学院,陕西西安710048;2.兰州天际环境保护有限公司,甘肃兰州730070;3.甘肃农业大学草业学院,甘肃兰州730070) : 采用PAC—MBR组合工艺处理焦化废水,考察了该工艺对COD、NH3-N和浊度的去除效果。结果表明,在水温25℃、DO3mg/L、pH值为7~8的条件下,组合工艺对COD和NH3-N的去除效果较好,去除率分别大于86.8%和98%,出水COD约为80mg/L,NH3-N基本在10mg/L以下,分别达到了《污水综合排放标准》(GB8978—1996)的二级和一级标准;出水浊度10NTU,出水水质较为稳定。 : 粉末活性炭; 膜生物反应器; 焦化废水:X703.1 :C :1000-4602(2007)13-0060-03ExperimentalStudyonCombinedProcessofPACandMBRforTreatmentofCokingPlantWastewaterPEILiang1, DONGBo2, YAOBing-hua1, ZHANGXue-ting3(1.InstituteofWaterResourcesandHydro-electricEngineering,Xi'anUniversityofTechnology,Xi'an710048,China;2.LanzhouTianjiEnvironmentalProtectionCo.Ltd.,Lanzhou730070,China;3.PrataculturalCollege,GansuAgriculturalUniversity,Lanzhou730070,China) Abstract: Thecombinedprocessofpowderedactivatedcarbon(PAC)andmembranebioreactor(MBR)wasappliedfortreatmentofcokingplantwastewater.TheremovalefficienciesofCOD,NH3-Nandturbidityinthecombinedprocesswereinvestigated.TheresultsshowthatthecombinedprocessmayachievebetterremovalefficienciesofCODandNH3-Nwhenwatertemperatureisabove25℃,DOisa-bove3mg/LandpHisbetween7and8.TheremovalefficienciesofCODandNH3-Ninthecombinedprocessaremorethan86.8%and98%respectively.TheeffluentCODis80mg/LandNH3-Nislessthan10mg/L,meetingthefirstandsecondclasscriteriaspecifiedinIntegratedWastewaterDischargeStandard(GB8978-1996).Theeffluentturbidityisunder10NTU,andtheeffluentqualityisstable. Keywords: powderedactivatedcarbon; membranebioreactor; cokingplantwastewater1 试验部分1.1 1。68cm×28cm×51cm,70L。(PVDF),0.15μm,0.16mm,1m2。A/O,。1mm,·60·第23卷 第13期2007年7月 中国给水排水CHINAWATERWASTEWATER Vol.23No.13Jul.2007,3~8L/d。:4h,20h,0.25m3/L,4h,2h。。1 Fig.1 Schematicdiagramofexperimentalset-up1.2 ,1。1 Tab.1 RawwastewaterqualityandanalyticalmethodsCOD/(mg·L-1)650~900NH3-N/(mg·L-1)280~500/NTU110~200UV254/cm-10.59~0.88UV300/℃5~40pH6.5~8.52 结果与分析2.1 2.1.1 2(PAC),。2 PACFig.2 EffectofPACdosageonmembraneflux2,,PACPAC,PAC,、,PAC。,PAC,,,PAC,,PAC,[1、2]。2.1.2 0、3、6、9、12、15gPAC60L,30min,1h,PAC,3。3 PACFig.3 EffectofPACdosageonmembraneresistance3,PAC,PAC,;,,,PAC。PAC,,,PAC。PAC,PAC200mg/L。PAC,PAC,135mg/L,。2.2 COD,(DO)PAC—MBRCOD,25℃、DO3mg/L,COD。4、COD。·61·裴 亮,等:PAC—MBR组合工艺处理焦化废水的试验研究第23卷 第13期4 CODFig.4 RemovaleffectofCOD 4,3,COD,COD80mg/L,《》(GB8978—1996)。COD86.8%。,PAC—MBRMBRCOD。,CODMBR25%,PACMBR。2.3 ,、pHDOPAC—MBRNH3-N,22℃、pH7~8、DO3mg/L,NH3-N。,PAC—MBRNH3-N98%,NH3-N(280~480mg/L),NH3-N10mg/L(),《》(GB8978—1996)。、,,NH3-N。PAC—MBRMBRNH3-N,,NH3-NMBR,PACMBR,PAC。2.4 5PAC—MBR、。5,,,,,;,,,,10NTU。MBRPAC—MBR,,。,PACMBR。5 Fig.5 Removaleffectofturbidity3 结论① PAC—MBR,COD650~900mg/L、NH3-N280~500mg/L,25℃、DO3mg/L、pH7~8,CODNH3-N。② PAC—MBRCODNH3-N86.8%98%,10NTU;CODNH3-N《》(GB8978—1996)。PACMBRMBR。:[1] ,.SMSBR[J].,2002,18(7):8-11.[2] ,,,.PAC-UF[J].,2005,31(3):56-60.:(0931)4910300E-mail:pellys38994327@qq.com:2007-01-22·62·第23卷 第13期 中国给水排水
本文标题:PACMBR组合工艺处理焦化废水的试验研究裴亮
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