MBR在垃圾渗滤液处理中的应用研究季民

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 Vol.33 No.9 200747   MBR季 民 杨 拓 张 亮 李 征 霍 贞 刘卫华(, 300072)   对比研究了UASB-MBAC工艺、普通MBR工艺及投加专性耐盐菌强化MBR工艺处理垃圾渗滤液,特别是对高含盐垃圾渗滤液的效果。结果表明:采用普通MBR处理高含盐垃圾渗滤液时,对有机物去除能力有限,运行时间越长,处理效率越低;投加耐盐菌可有效改善MBR对高含盐渗滤液中有机物的去除效果。试验发现不论是普通MBR还是投加耐盐菌强化的MBR处理高含盐渗滤液时,对氨氮都具有较高的去除率,几乎达到100%。 膜生物反应器 垃圾渗滤液 耐盐菌AppliedresearchonMBRinlandfillleachatetreatmentJiMin,YangTuo,ZhangLiang,LiZheng,HuoZhen,LiuWeihua(SchoolofEnvironmentScienceandEngineering,TianjinUniversity,Tianjin300072,China)Abstract:InthisresearchwecomparetheprocessesofUASB-MBAC,normalMBRandMBRappliedwithhalotolerantbacteriaintreatmentoflandfillleachate.Especiallyweresearchtheeffectofthesereactorstreatinghighsalinitylandfillleachate.Theresearchresultsshow:thenormalMBRhavelimitedcapabilitytoremoveorganicsubstances.Thelongeroperationofthefacility,theremovalefficiencyisdecreasedmore.TheorganicsubstancesremovalofMBRfromhighsalinitylandfillleachatecouldbeimprovedbyadditionallyappliedhalotolerantbacteria.Whilewealsonoticethattheyallhavehighremovingrateofammonianitrogen,nearly100%.Keywords:MBR;Landfillleachate;Halotolerantbacteria  (MBR)。,,,MLSS,,SS,,。,,,MBR[1]。、,。MBR,UASB-(MBAC)、MBRMBR,,、、。1 1.1 1.1.1 UASB-MBACUASB—MBAC,1。,UASB1.4m,80mm,6.128L,0.3m,120mm,4.25L,10.65L;UASB35℃。80mm,2m,10.04L。,(PVDF)WATER&WASTEWATERENGINEERINGDOI:牨牥牨牫牱牳牴牤jcnkiwwe牨牴牰牬牪牥牥牱牥牴牥牪牴48    Vol.33 No.9 20071 UASB-MBAC。0.5m2,0.22μm。MBR,UASB,,,,,,,100∶1~200∶1。MBR2g/L。,1。1 CODCr/mg/LNH3-N/mg/LTN/mg/LBOD5/mg/LBOD/CODpH1500~8300520~980700~1100700~59000.25~0.717.8~91.1.2 MBRMBR2。2 MBR50L;5.25L;MBR,100mm,1200mm,6L;1.1.12 CODCr/mg/LNH3-N/mg/LBOD5/mg/LSS/mg/L/PCUCl-/mg/LpH925~146798~13215~221~14780~9525186~94308.7~8.99。,2。1.2 CODCr、、。BOD;MLSS;30%NaOH;pHHANNAHI19321;HANNAC200;UV254TU-1800/;TOCTOC-VCPH。2 2.1 UASB-MBAC2.1.1 CODCrCODCrCODCr3、4[2]。CODCr1000~3000mg/L,73%。10,UASBCODCr,10,UASB,MBR。3 CODCr4 UASBMBRCODCrWATER&WASTEWATERENGINEERING Vol.33 No.9 200749   CODCr2046~2976mg/L,14~16h,MBR。CODCr791mg/L,CODCr69%,UASB-MBACCODCr。2.1.2 BOD5BOD55、6。BOD5,400~1800mg/L,,BOD510mg/L,98.3%,。BOD/COD0.05,UASB-MBACCODCr。,,CODCr。5 BOD56 BOD/CODMBR。10%~20%CODCr,,,。2.2 MBR。,:BOD/COD0.1,;,;,。,0.68%~2.1%,50%。,:“——MBR”。MBR,MBR。2.2.1 CODCrMBRCODCr7[3]。MBR,,。,33d,CODCr,CODCr15%。CODCr22.33%。:,、,MBR(MLSS)3772mg/L1500mg/L,CODCr30.77%16%。,,,MBR。7 MBRCODCr2.2.2 BOD5MBR,BOD5,20mg/L,2mg/L,90%,。,BOD/COD0.014~0.022,。MBR,BOD/COD0.001~0.004。MBR,CODCr。WATER&WASTEWATERENGINEERING50    Vol.33 No.9 20072.2.3 MBR8,,2.67%99.41%,,MBR,100%。:①MBR,,;②MBRBOD/TNK,;③MBR,,。30,66.86%,100%。MBRH2O2,,,,H2O2,。36,MBR,11.73mg/L,1.82mg/L,100%,98.5%。8 MBR2.2.4 9 MBRMBR9。(9~32d),,MBR,53%。(33),11.03%,12%。(33~64d),,15.25%。:①MBR,,,,MBR;②,,,。2.3 MBR4,,1#2#,。(4mL1#+1mL2#)/200mLMBR。MBR(AF)。AF,,MBR。MBR。2.3.1 CODCrMBRCODCr10。,MBRCODCr,65.2%,2.2.1CODCr2。10 MBRCODCr2.3.2 MBR11。MBR(48d),,45~411.2mg/L,,20%~40%。,,,WATER&WASTEWATERENGINEERING Vol.33 No.9 200751   100%。,、、,;48,、,,,,MBR。,,。,100%。11 MBR2.3.3 MBR12。,,46.9%。31.2h,,,900~1400PCU,72.6%,2.2.44。12 MBR2.3.4 ,,、,0.04MPa。4,(),;17,,,20(0.035~0.04MPa),。,,,CODCr,,(EPS),,,,,,。20,,,++,,。37,17,MBR,MBR58、99、142,40,。3 (1)UASB-MBAC,CODCr500~3000mg/L,BOD5300~1900mg/L,UASB9~15h,MBR10~15h,19~30h,CODCr1.39~6.76kgCODCr/(m3d),CODCr146~880mg/L,BOD57.8~14.2mg/L,CODCr73%,95.54%,BOD598.3%,99.54%。CODCr2046~2976mg/L,14~16h,MBR。CODCr791mg/L,661.25mg/L,CODCr70.67%,CODCr69%,UASB—MBACCODCr。(2)MBR,CODCr。。MBR,。WATER&WASTEWATERENGINEERING52    Vol.33 No.9 2007NaClO周爱姣1 范举红2 陶 涛1 李昌湖2 朱国宏2(1, 430074;2, 314500)   介绍了桐乡市城市污水处理厂运用含有效氯10%的NaClO液体控制由诺卡氏菌大量增殖为主引起的丝状菌性污泥膨胀实例。详细阐述了NaClO液体投加方法,包括投加点的选择、加氯量、投加次数的确定、活性污泥再培养等。 污泥膨胀 诺卡氏菌 灭菌剂 NaClO溶液  ,,,。,,,,。,,,。NaClO,。1 A2/O,5m3/d,70%,30%,。(A、B、C、D),。,。200611C、D。,SV99%,SVI300mL/g,,。,d,,。,[1]。2 ,,[2,3]。,10%NaClO  (3)MBRCODCr。CODCr2kgCODCr/(m3d),30∶1,5d,MLSS4000~5000mg/L,MBRCODCr50%~70%(MBR20%)。60%~80%(MBR15%)。MBR,MBRMBR,100%。参考文献1 HoilijokiTH,KettunenRH,RintalaJA.Nitraficationofanaerobicallypretreatedmunicipallandfillleachateatlowtemperature.WatRes,2000,34(5):1435~14462 .UASB+MBAC:[].:,20033 .MBR:[].:,20064 .MBR:[].:,2007  &:15910667067E-mail:z_1983@163.com:2007-04-05:2007-06-26WATER&WASTEWATERENGINEERING

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