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1、Desalination249(2009)922–928ContentslistsavailableatScienceDirectDesalinationjournalhomepage:www.elsevier.com/locate/desalCorrosionandscaleprocessesandtheirinhibitioninsimulatedcoolingwatersystemsbymonosaccharidesderivativesPartI:EISstudya,⁎,N.DkhirecheaabbcR.Touir,M.
2、EbnTouhami,M.Lakhrissi,B.Lakhrissi,M.SfairaaFacultyofScience,LaboratoryofElectrochemistry,CorrosionandEnvironment,POBox133,Kénitra,MoroccobFacultyofScience,LaboratoryofAgroressourcesandgeniusoftheprocesses,POBox133,Kénitra,MoroccocFacultyofScience,LaboratoryofPhysico-
3、chemical,Analyses,CatalyticMaterialsforEnvironment,POBox1796Atlas,DharElMahraz,Fez,MoroccoarticleinfoabstractArticlehistory:Astudyoftheordinarymildsteel/coolingwaterinterface,withandwithoutinhibitor,wascarriedoutusingAccepted17June2009electrochemicalimpedancespectrosc
4、opy(EIS).EISspectrainuninhibitedmediumrevealthatalayerofAvailableonline8October2009corrosionandscaleproductsisformednaturallyandevolveswiththeimmersiontime.Monosaccharidesderivativeswereusedascorrosioninhibitors.MostofthemexhibitgoodbehaviouragainstcorrosionofKeywords
5、:ordinarysteelinsimulatedwatersystems.TheirinhibitingefficiencyincreaseswithconcentrationriseandCorrosionandscaledependsonmolecularstructureespecially–OHgroups'positionontwoadjacentcarbonsandtheirnumber.Simulatedcoolingwater2−Inaddition,theeffectofMoO4onthecorrosioninh
6、ibitioninthepresenceofthebestinhibitorwasalsoEIS2−InhibitionstudiedbyEIS.TheadditionofMoO4enhancedtheinhibitionefficiency.Monosaccharide©2009ElsevierB.V.Allrightsreserved.1.Introductionarecentpaper[8],theeffectofsodiumgluconateanionasaneffectivenon-toxiccorrosionandsca
7、leinhibitorforordinarymildsteelinTwoofthemainproblemsofcoolingwatersystemsarecorrosionsimulatedcoolingwater.Otherinvestigationshavebeenreportedonandscalephenomena.Theseproblemshaveagreateconomicimpact,gluconateandgluconicacidaswellassodium,calciumandzincsaltssincethefi
8、rstinvolvesdeteriorationofmetallicsurface,whereastheofgluconicacidassuccessfulinhibitorsagainstcorrosionoftin,ironsecondcaus
