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2.7. Electrocoagulation Method

MS Muhammad Syaamil Saad
LB Lila Balasubramaniam
MW Mohd Dzul Hakim Wirzal
NH Nur Syakinah Abd Halim
MB Muhammad Roil Bilad
NN Nik Abdul Hadi Md Nordin
ZP Zulfan Adi Putra
FR Fuad Nabil Ramli
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The optimization studies on the EC of dye in wastewater was done in previous research [23]. The parameters used to measure the removal efficiency of dyes was the voltage supplied to the EC with a value of 2, 4, 6, 8 and 10 V. Current densities reported by Balasubramaniam et al. at 1, 2 and 10 V are 5.71 mA/cm2, 6.29 mA/cm2 and 24.29 mA/cm2, respectively. The total effective electrode area was 105 cm2 with a 2 cm interelectrode gap. The concentrations of electrolyte (NaCl) were also varied with values of 250, 500, 750, 1000 and 1250 ppm. Based on the studies, 1000 ppm of NaCl and the voltage at 1 V was observed as the best condition for EC with a 43.2% removal of the dye and 0.75 kWh/m3 of energy consumed.

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