Modeling the Crystal Violet Kinetics Removal by Electrocoagulation Process for Wastewater Treatment

  • Maryam Khadim Mbacké
  • Cheikhou KaneEmail author
  • Ndèye Oury Diallo
  • Mamadou Baldé
  • Codou Mar Diop
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 204)


A batch reactor is used with an aluminum anode and a stainless steel cathode to decolorize crystal violet solutions by electrocoagulation. Optimization of operating parameters showed that for initial concentrations ranging from 5 to 100 mg/L, initial pH ranging from 6.72 to 5.43, current density of 250 A/m2, conductivity of 4.27 mS/cm, and inter-electrode distance of 0.5 cm, a yield of 99.75% is achieved on reduction of color and 98.5% for reduction of chemical oxygen demand (COD).

Modeling of crystal violet elimination kinetics were tested. Results showed that homogenous second order kinetics and adsorption kinetics of pseudo second order can be applied. Various isotherms models were investigated. Freundlich isotherm gave better correlation with a coefficient of 0.989.

Variable Order Kinetic (VOK) model has been associated with Freundlich isotherm to take into account production efficiency of adsorbent over the time. Results showed through a statistical analysis that this approach provides a good correlation.


Electrocoagulation crystal violet Optimization Modeling Adsorption 


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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2018

Authors and Affiliations

  • Maryam Khadim Mbacké
    • 1
  • Cheikhou Kane
    • 1
    Email author
  • Ndèye Oury Diallo
    • 1
  • Mamadou Baldé
    • 1
  • Codou Mar Diop
    • 1
  1. 1.Laboratoire d’Electrochimie et des Procédés Membranaires, Ecole Supérieure PolytechniqueUniversité Cheikh Anta DiopDakar FannSenegal

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