MBR污水厂清洗方式优化及效果分析沈晓铃

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-mail]2016－08－12·46·335．watergasheat．com