• Title of article

    CopperdissolutionandelectrochemicalbehaviorinEDTA-andEDA-basedsolutionsforsteamgeneratorchemicalcleaningOriginalResearchArticle

  • Author/Authors

    DoHaengHur، نويسنده , , MyungSikChoi، نويسنده , , EunHeeLee، نويسنده , , UhChulKim، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2003
  • Pages
    6
  • From page
    207
  • To page
    212
  • 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
  • Serial Year
    2003
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894582