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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Thursday 28 March 2024

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Involvement of controlled Corrosion of Steel and Aluminum in the Treatment of Industrial Wastewater: Case of the Removal of Evans Blue in Aqueous Solution


Volume 26, Issue 2, May 2019, Pages 569–581

 Involvement of controlled Corrosion of Steel and Aluminum in the Treatment of Industrial Wastewater: Case of the Removal of Evans Blue in Aqueous Solution

F. Adjie BAH1, G. KENNE DEDZO2, E. FOTO3, and C. P. NANSEU - NJIKI4

1 Laboratory of Physical and Analytical Chemistry (LCPA) of the University of Yaoundé I, Cameroon
2 Laboratory of Physical and Analytical Chemistry (LCPA) of the University of Yaoundé I, Cameroon
3 Laboratory Hydrosciences Lavoisier, UNESCO Chair on Water Management, University of Bangui, Faculty of Sciences BP 908 Bangui, Central African Republic
4 Laboratory of Physical and Analytical Chemistry (LCPA) of the University of Yaoundé I, Cameroon

Original language: English

Copyright © 2019 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The present work focuses on the electrocoagulation treatment of an Evans blue solution (B.E). Of the four bottom salts (KCl, NaCl, Na2SO4, K2SO4) used for the treatment, it appears that, for an optimum charge density of 2.33 F/m3 and a voltage set at 1.5V, potassium chloride (KCl) provides the best abatement rate (95.5%). The variation of the pH of the solution reveals that the best abatement rates are obtained for the basic pH. pH 9 is optimal for treatment whereas for pH values above 10, inefficiency is noted. The speed of the treatment increases with the density of the applied current, the treatment is efficient and the energy cost is limited for a current density value set at 20 mA/ cm2. For the same set values of charge density and voltage, the abatement rate is inversely proportional to the concentration of B.E, and aluminum is better suited as electrode material, compared to iron.

Author Keywords: electrocoagulation, Evans blue, abatement rate, charge density, current density.


How to Cite this Article


F. Adjie BAH, G. KENNE DEDZO, E. FOTO, and C. P. NANSEU - NJIKI, “Involvement of controlled Corrosion of Steel and Aluminum in the Treatment of Industrial Wastewater: Case of the Removal of Evans Blue in Aqueous Solution,” International Journal of Innovation and Applied Studies, vol. 26, no. 2, pp. 569–581, May 2019.