UV IDENTIFICATION FOR TARFAYAS OIL SHALE AND ASHING AT LOW TEMPERATURE OF Z1 LAYER (MOROCCO)Journal: International Journal of Advanced Research (Vol.10, No. 03)
Publication Date: 2022-03-15
Authors : Daghiri Sana Sarhane Meryem Majdi El Mahdi Ait Baha Ali; Attaoui Abdeljabbar;
Page : 158-173
Keywords : ;
In order to elucidate our knowledge of oil shale, this work has been initiated. Morocco has large oil shale reserves, the most important deposits of which are in Timahdit, Tarfaya and Tangiers .As oil shale is first-round energy materials that can be used to further valorize these resources, we are interested in the research and development of oil shale-based materials capable of retaining pollutants present in wastewater. In this study, we discuss the role that oil shale can play in inhibiting the infiltration of micro pollutants into the water table. The part of this work presents a bibliographical study on the mineralogy, geochemistry and petro chemistry of oil shale. The use of these materials in the field of environmental protection is discussed. Firstly, an experimental identification work was carried out using the spectroscopic apparatus of our establishment to study the Z1 layer of the Tarfaya deposit in its raw state and in the screen solubilized with chloroform. The Z1 layer has a percentage of organic matter of 12.3% and mineral matter of 29.4% for a heating rate of 21Â°C/min (A.Attaoui:1999).Then, within the framework of a clean use of the material as an absorbent or depolluting(He.G.Liang et al:2019,S.Gamoudi et al :2019) we carried out the ashing at low temperature of the oil shale, which consists in carrying out combustions on this shale, more precisely on the organic part and not altering the mineral part. In this context, we carried out this incineration on the oil shale of Tarfaya (Z1) at temperatures ranging from ambient to 227Â°C. The samples were then subjected to HCl acid attacks, and the remaining part was measured and the quantity of the constituents sensitive to this acid attack was evaluated. Pure calcite was taken as a reference and the PH-meter was used to analyses the phenomenon.
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