OPTIMIZATION OF THE COLOR CORRESPONDING TO THE DIFFERENT ABSORBENCIES OF TANNERY WASTEWATER BY RESPONSE SURFACE DESIGNS

Ghariba Bouazza (), Salah Souabi, Abdelaziz Madinzi and El Houssine Chatri
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Ghariba Bouazza: Laboratory of Atomic, Mechanical, Photonic and Energetic, Faculty of Sciences, Moulay Ismail University, Physics Department, Meknes, Morocco
Salah Souabi: Laboratory of Engineering of Processes and Environment, Faculty of Sciences and technologies, Department of Process Engineering and Environment, Mohammedia, Morocco.
Abdelaziz Madinzi: Laboratory of Engineering of Processes and Environment, Faculty of Sciences and technologies, Department of Process Engineering and Environment, Mohammedia, Morocco.
El Houssine Chatri: Laboratory of Atomic, Mechanical, Photonic and Energetic, Faculty of Sciences, Moulay Ismail University, Physics Department, Meknes, Morocco

Water Conservation & Management (WCM), 2022, vol. 6, issue 2, 99-106

Abstract: The control of pollutant discharges, during the treatment of wastewater from tanneries, is the main task to restore the ecological environment and minimize the time and cost. In this work, we performed experiments concerning the treatment of industrial discharges from a tannery located in the city of Mohammedia-Morocco. An optimization study will be presented to model and optimize the corresponding absorbances at the following wavelengths: 436 nm, 525nm and 620 nm, using the most influential factors such as coagulant, pH and flocculant. In order to minimize the number of experiments performed, the Box-Behnken response surface design was applied. Quadratic models characterizing the three absorbances studied during the treatment will be obtained. The statistical, graphical and algebraic characteristics will be presented. A perfect agreement between the theoretical and experimental results has been established, with a very good performance in the depollution of treated wastewater.

Keywords: Industrial Tannery Discharges; Wastewater; Absorbance; Response Surface; Optimization. (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnwcm:v:6:y:2022:i:2:p:99-106

DOI: 10.26480/wcm.02.2022.99.106

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