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1、反滲透膜元件重度污染及離線清洗(宋景頗) #TRS_AUTOADD_1229395181468{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}#TRS_AUTOADD_1229395181468P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋體}#TRS_AUTOADD_122939518146
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5、t","margin-top":"0","margin-bottom":"0"}}--**/Theseriouscontaminationandcleaningoff-lineofROmembraneSONGJing-po(Beginchemical,zhengzhou450012,China) Abstract:WiththeapplicationofROunit,contaminationappearsindifferentformsduetodifferentpreconditionsanddifferen
6、twatersources.Theproblemsofthecleaningofmembraneisfollowingwiththecontamination.Butthecleaningon-linebecomenotenoughwhenthecontaminationisserious,theonlychoiceisthecleaningoff-line.ThispaperintroducesthereasonsandcharacteristicsofseriouscontaminatedROmembrane,
7、theselectionofprescriptionofthecleaningmembrane,emphasesonoperationandconcreteexamplesinordertoconsultwithprofessionals. Keywords:reverseosmosis(RO);seriouscontamination;cleaningoff-line 反滲透系統(tǒng)因其先進的技術(shù)及經(jīng)濟特性，已形成國內(nèi)各行業(yè)龐大的用戶群，據(jù)不完全統(tǒng)計，目前國內(nèi)反滲透水處理用戶已超過數(shù)千家?！ 》礉B透膜元件作為深層
8、的過濾手段，其表面不可避免的會殘留有膠體、微生物、雜質(zhì)顆粒及難溶鹽類在其表面的析出，因此，在多種領(lǐng)域使用的反滲透裝置，一旦投入使用，最終都需要清洗，只是清洗周期的長短不同而已。然而，在線清洗作為一種反滲透系統(tǒng)清洗保養(yǎng)、沖擊性殺菌以及定期保護的手段，在面臨反滲透膜元件重度污染時就顯得無能為力，這個時候就需要對反滲透膜元件進行離線清洗。 1反滲透膜元件重度污染
