MBR污水厂清洗方式优化及效果分析沈晓铃

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MBR350004MBRMBRMBR1MBR。MBRX703C1000-4602201705-0061-04OptimizationandEffectAnalysisofCleaningMethodofMBRinWWTPSHENXiao-lingFujianCommunicationsPlanning&DesignInstituteFuzhou350004ChinaAbstractAccordingtothechangeoftransmembranepressureTMPinlong-timeoperationofMBRprocessinMeicunWWTPinWuxiCitythecleaningeffectofthemembranemoduleswasana-lyzed.ThecleaningmethodwasoptimizedwithassuringthewaterproductioncapacityofMBRsystem.Themembranemoduleswereactuallyusedforoneandahalfyearswhichwaslongerthantheservicelife.TheresultscanprovidereferenceforcleaningandmaintenanceofMBRinsimilarplants.KeywordsMBRmodulecleaningmethodtransmembranepressure3×104m3/dMBRMBR。ZeeWeed@500Ⅱ22.9L/m2·h5440。、、、。6TMPMBR。11。MBR。、11。12.5min4/h0.5min34L/m2·hMBRTMP。a.膜组件b.膜元件1Fig.1Fouledmembranecassetteandmembranemodule·16·33520173CHINAWATER&WASTEWATERVol.33No.5Mar.20171MBRTab.1Maincleaningmodesofmembranesystem/mg·L-1/min——10.510%2002604%~5%200026010%100023604%~5%200023602MBRTMP。22009—2012MBR1#TMPTMP5min。2a~cTMP10kPa。TMP、、TMP20kPa。11TMP40kPa12。2d20121#TMP21~25kPa10kPaTMP30kPa。4540353025201510502009-06-26TMP/kPa2009-08-152009-10-042009-11-232010-01-12时间a.2009年4540353025201510502010-06-26TMP/kPa2010-08-152010-10-042010-11-232011-01-12时间b.2010年4540353025201510502011-06-26TMP/kPa2011-08-152011-10-042011-11-232012-01-12时间c.2011年4540353025201510502012-06-25TMP/kPa2012-08-142012-10-032012-11-222013-01-11时间d.2012年22009—2012TMPFig.2ChangeofTMPbeforeandafterrecoveringcleaningfrom2009to2012320138~10h23。35μm34.35%。2013、、·26·335.watergasheat.comTMP2。a.电镜分析b.元素分析3Fig.3Electronmicroscopyandelementalanalysisoffouledoutersurfaceofmembranemodule2TMPTab.2ComparisonofTMPbeforeandafterrecoveringcleaningbydifferentacidchemicalskPa1#422220102#432521113#382120114#362219102NaClO+。4。a.电镜分析b.元素分析4Fig.4ElectronmicroscopyandelementalanalysisofcleanedoutersurfaceofmembranemoduleNaClO+5μm。①pH4~5②pH1③pH2。52013、20142015NaClO+TMP。4540353025201510502013-06-25TMP/kPa2013-08-142013-10-032013-11-222014-01-11时间a.2013年4540353025201510502014-06-25TMP/kPa2014-08-142014-10-032014-11-222015-01-11时间b.2014年4540353025201510502014-12-27TMP/kPa2015-02-152015-04-062015-05-262015-07-15时间c.2015年52013—2015TMPFig.5ChangeofTMPbeforeandafterrecoveringcleaningfrom2013to201552013、2014NaClO+TMP10kPaTMP。201520132014TMP30kPa。·36·.watergasheat.comMBR33565。20157。4。321165m3/min“10/30”“10/10”10s、30s10s、10sZee-Weed@500Ⅱ。20092MBR“10/30”120092—10TMP25kPaTMP2“10/10”。MBR2“10/10”。MBR。MBR、、、。32010—20152015。3Tab.3Membraneairscouringmode2010201120122013201420156—10110/30110/30110/30210/10210/10210/10210/10210/10210/10210/10210/10210/102013。2009—20156—10350、350、330、330、300、290、290m3/h320、320、310、310、260、250、250m3/h。5MBRMBR。MBRMBR1MBR。1.MBRJ.201531739-41.2.J.20153124116-122.1979-。E-mailzhangwl@wxmedi.com2016-08-12·46·335.watergasheat.com

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