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1、反渗透膜元件重度污染及离线清洗(宋景颇) #TRS_AUTOADD_1229395181468{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1229395181468P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#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 反渗透系统因其先进的技术及经济特性，已形成国内各行业庞大的用户群，据不完全统计，目前国内反渗透水处理用户已超过数千家。 反渗透膜元件作为深层
8、的过滤手段，其表面不可避免的会残留有胶体、微生物、杂质颗粒及难溶盐类在其表面的析出，因此，在多种领域使用的反渗透装置，一旦投入使用，最终都需要清洗，只是清洗周期的长短不同而已。然而，在线清洗作为一种反渗透系统清洗保养、冲击性杀菌以及定期保护的手段，在面临反渗透膜元件重度污染时就显得无能为力，这个时候就需要对反渗透膜元件进行离线清洗。 1反渗透膜元件重度污染
