反渗透膜元件重度污染及离线清洗secret

Theseriouscontaminationandcleaningoff-lineofROmembraneAbstract:WiththeapplicationofROunit,contaminationappearsindifferentformsduetodifferentpreconditionsanddifferentwatersources.Theproblemsofthecleaningofmembraneisfollowingwiththecontamination.Butthecleaningon-linebecomenotenoughwhenthecontaminationisserious,theonlychoiceisthecleaningoff-line.ThispaperintroducesthereasonsandcharacteristicsofseriouscontaminatedROmembrane,theselectionofprescriptionofthecleaningmembrane,emphasesonoperationandconcreteexamplesinordertoconsultwithprofessionals.Keywords:reverseosmosis(RO);seriouscontamination;cleaningoff-line111RO230%312RO12118.5/8/SDI23COD34,.1233122124ppm6ppm(2)531.2.312412345671252RORO123433132333435363.5373.53.6ROROKY38393103114BW30-400245/632004211.6kgf/cm2,45/14111/MPa/m3/h/%/m3/h#11.483397.115#21.452697215200482/MPa/m3/h/%/m3/h#11.164597.615#21.07459721542KY-4302551Q0.980T0PP0+0.5QQ0TT0PBARP0a52Q0.99QsTs0P15PSIQQsTTs0P6