Applying Response Surface Methodology to optimize the decarbonization process of Timahdit oil shale

Authors

  • Laila Makouki LIMAT-Thermostructural Materials and Polymers Team, Faculty of science Ben M’sik, University Hassan II of Casablanca, Boulevard Cdt Driss Harti, BP.7955, Ben M'sik, Casablanca, Morocco
  • Meriem Tarbaoui LIMAT-Thermostructural Materials and Polymers Team, Faculty of science Ben M’sik, University Hassan II of Casablanca, Boulevard Cdt Driss Harti, BP.7955, Ben M'sik, Casablanca, Morocco
  • Samia Glissi LIMAT-Thermostructural Materials and Polymers Team, Faculty of science Ben M’sik, University Hassan II of Casablanca, Boulevard Cdt Driss Harti, BP.7955, Ben M'sik, Casablanca, Morocco
  • Said Mansouri LIMAT-Thermostructural Materials and Polymers Team, Faculty of science Ben M’sik, University Hassan II of Casablanca, Boulevard Cdt Driss Harti, BP.7955, Ben M'sik, Casablanca, Morocco
  • Hassan Hannache LIMAT-Thermostructural Materials and Polymers Team, Faculty of science Ben M’sik, University Hassan II of Casablanca, Boulevard Cdt Driss Harti, BP.7955, Ben M'sik, Casablanca, Morocco Center of Advanced Materials, EMINES, University Mohammed VI Polytechnic, Lot 660 Hay Moulay Rachid, 43150, Ben Guerir, Morocco
  • Mina Oumam LIMAT-Thermostructural Materials and Polymers Team, Faculty of science Ben M’sik, University Hassan II of Casablanca, Boulevard Cdt Driss Harti, BP.7955, Ben M'sik, Casablanca, Morocco

DOI:

https://doi.org/10.13171/mjc851907027lm

Abstract

The present article aims to optimize the decarbonization of Timahdit oil shale layer Y by removing carbonates from the raw rock using acetic acid. The response surface methodology “central composite design (CCD)†has been used as a method of optimization to study the 3 factors of the process. The factors studied are the concentration of the acid, the processing time, and the ratio (liquid/solid). The optimal conditions with 68.17% of residue rate are obtained with 2 mol/l as concentration, 120 min as a time of treatment and 10.02 for the ratio.The raw (Y) and optimized materials (YO) were characterized by Scanning Electron Microscopy (SEM), X-ray fluorescence (XRF) and X-ray diffraction (XRD). The results showed that the acetic acid used to remove carbonates affects the chemical composition and the texture evolution of the residues.

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Published

2019-07-04

Issue

Vol. 8 No. 5 (2019)

Section

Materials Chemistry

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