Title of article :
CopperdissolutionandelectrochemicalbehaviorinEDTA-andEDA-basedsolutionsforsteamgeneratorchemicalcleaningOriginalResearchArticle
Author/Authors :
DoHaengHur، نويسنده , , MyungSikChoi، نويسنده , , EunHeeLee، نويسنده , , UhChulKim، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Abstract :
Copperdissolutionandelectrochemicalbehaviorhavebeeninvestigatedinordertofindoutwhichparametersarecriticalandimportantduringthetwomajorcopperremovalprocessesforchemicalcleaningofnuclearsteamgeneratorandtoevaluatesafetyaspectsandeffectivenessoftheseprocesses.HydrogenperoxidewasveryeffectivefortheprocessusingEDTA-basedsolutionat38°Ctocontrolthecorrosionpotentialofcopperintoanoptimumpotentialrangefrom−0.3to+0.2Vforcoppersludgedissolution.CorrosionratesofcarbonsteelSA285Gr.CandAlloy600wereverysmallinthispotentialrange.TheprocessusingEDA-basedsolutionat60°Cwaseffectivetodissolvecoppersludgeifthecorrosionpotentialofcoppercouldbecontrolledabove−0.3V.However,itwasverydifficultunderthelaboratoryconditionstoraiseitscorrosionpotentialtothisrangebyairblowingandstirring.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
