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Rasyidah Alrozi
Faculty of Chemical Engineering, Universiti Teknologi MARA, Cawangan, 13500 Pulau Pinang, Malaysia
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Electrochemical Removal of Copper Ions Using Coconut Shell Activated Carbon Nur Azza Azyan Muin; Hawaiah Imam Maarof; Nur Alwani Ali Bashah; Nor Aida Zubir; Rasyidah Alrozi; Norhaslinda Nasuha
Indonesian Journal of Chemistry Vol 20, No 3 (2020)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15.71 KB) | DOI: 10.22146/ijc.43077

Abstract

In this work, coconut shell activated carbon (CSAC) electrode was evaluated to remove copper ion via electrochemical processes. CSAC electrode and graphite were applied as the cathode and the anode, respectively. The reusability of the electrode, the effects of initial pH, applied voltage and initial concentration were studied. The electrochemical process was carried out for 3 h of treatment time, and the electrodes (anode and cathode) were separated by 1 cm. The results revealed that CSAC is proven as a reusable electrode to remove copper ion, up to 99% of removal efficiency from an initial concentration of 50 ppm after it had been used three times. From the observation, the removal efficiency was optimum at an initial pH of 4.33 (without any initial pH adjustment). The applied voltage at 8 V showed a higher removal efficiency of copper ion compared to at 5 V.
Co-Authors Hawaiah Imam Maarof Nor Aida Zubir Norhaslinda Nasuha Nur Alwani Ali Bashah Nur Azza Azyan Muin