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ISNI UTAMI
Chemical Engineering, Engineering Faculty, University Of Pembangunan Nasional “Veteran” East Java
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Journal : JURNAL TEKNOLOGI TECHNOSCIENTIA

 1 
MODEL ROTATING CYLINDER ELEKTRODE UNTUK MENENTUKAN KEPERLUAN RAPAT ARUS PROTEKSI KATODIK Utami, Isni
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 1 Agustus 2008
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v1i1.380

Abstract

Effect of fluids flow rate onto necessity of current density cathodic protection which characterized using Rotating cylinder electrode (RCE) model has been researched on an electrochemistry manner. This research was done to AISI 1018 steel as the electrode spinning cylinder-shaped inside aerated dissolvable NaCl 3.5%. using variation spinning rate 0-2000rpm and 25-75 0C temperature. Current density cathodice protection necessity determined from the steel interface potential -800mV with reference anode Ag/AgCl. Experiment result shows as the increasing of electrode rate, cathode protection current density needs increased due to diffusion layer tare faction and also because corrosion potential become more positive. Higher temperature would increasing cathode protection current density needs and makes corrosion potential more negative. Oxygen activation energy value to be diffused onto electrode surface support the corrodibility AISI 1018 toward temperature increment, because cathode reaction controlled by transfer mass of dissolved oxygen. With un-dimensioned number analysis and data experiment calculation, empiric formula which is functional relation between electrode rate/fluids flow rate characterized as turbulence flow toward cathodic protection current density is mentioned below: iPRCE = 0,0841 0,6539 0,4976
Co-Authors A. Fani Dwiyulianty Fariadi A. R Yelvia Sunarti Aditya Irfansyah Akbar, Dika Restu AR Yelvia Sunarti Arfinka Pinakesti Astuti, Dwi Hery Billah, Mu’tasim Cakradetha, Ivenda Sasquea Debora, Ratu Mayoreta Dian Nofita Dwi Hery Astuti Fachrul Nurcholis Hermawan, Dicky Candra Kindriari Nurma Wahyusi Kuspambudijaya, Akbar Dwi Lucky Indrati Utami Mardhiyah, Nurul Maulana, Mochamad Titus Mega Rosilina Mochamad Titus Maulana Nandini , Atika Nandini, Atika Nofita, Dian Nurcholis, Fahcrul Nurul Mardhiyah Rahmawati, Alrista Rosilina, Mega Sani Sani Sintha Soraya Santi Siswanto Siswanto SRIE MULJANI Sunarti, A.R Yelvia Suprianti, Lilik Suriyanto Suriyanto, Suriyanto Susilowati sutiyono sutiyono