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Issue
Korean Journal of Chemical Engineering,
Vol.32, No.10, 2014-2023, 2015
Preparation of reusable conductive activated charcoal plate as a new electrode for industrial wastewater treatment
Ayoubi-Feiz B, Aber S
A conductive activated charcoal plate (ACP) was prepared from a low-cost, abundant, and non-conductive charcoal. The prepared ACP was characterized using N2 adsorption/desorption isotherms, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and X-ray diffraction (XRD). Brunauer-Emmett-Teller (BET) surface area of the charcoal and the ACP was 0.58m2 g.1 and 461.67m2 g.1, respectively. The ACP was employed in textile wastewater treatment using electrosorption process. Response surface methodology (RSM) was applied to design the experiments. The decolorization efficiency of 76% at optimum conditions of voltage=450mV, pH=4, and contact time=120 min indicated that the ACP has promising potential to decolorize textile wastewater. Moreover, the results of the kinetic analyses demonstrated that wastewater treatment followed pseudo-first order kinetic model. The ACP electrode could be regenerated and reused effectively at five successive cycles of electrosorption/electrodesorption.
Keywords: Conductive Activated Charcoal Plate; Electrosorption; Physical Activation; Regeneration; Textile Wastewater
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[Cited By]
  1. Amina M, Amna T, Hassan MS, Al Musayeib NM, Al-Deyab SSS, Khil MS, Korean Journal of Chemical Engineering, 33(11), 3169, 2016
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