Electrogenerative Process as an Alternate Technique for Nickel Recovery from Its Sulphate Solution at Low Concentration


  • Syed Fariq Fathullah Syed Yaacob Green Analytical Chemistry Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
  • Siti Hawa Hang Kadim Green Analytical Chemistry Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
  • Megat Ahmad Kamal Megat Hanafiah Faculty of Applied Sciences, Universiti Teknologi MARA, Pahang Branch, Lintasan Semarak, 26400, Jengka, Pahang, Malaysia
  • Faiz Bukhari Mohd Suah Green Analytical Chemistry Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia




Electrogenerative system; nickel recovery; carbon felt electrode; scanning electron microscopy


In this study, a static batch reactor equipped with three-dimensional (3-D) carbon felt (CF) as cathode material was fully optimized to recover a low nickel concentration from its sulphate solution. Nickel recovery was performed using several nickel concentrations ranging from 50, 100, 250, 400 and 500 mg/L. Moreover, within 30 min of electrogenerative operation, it was discovered that the recovery of nickel achieved > 90 % in acidic conditions. At last, the deposition of nickel into CF was further investigated by scanning electron microscopy (SEM) to visualize the surface morphology of nickel on CF.


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