Journal of Advanced Research in Science and Technology
Volume 7, Numéro 1, Pages 42-53
2020-03-10
Comparative Study Of Thermal And Compositional Properties Of Aïn M'lila Dolomite, Caco3, And Mgco3 Using Tg And Ftir Analyses
Authors : Abdellaoui Khadidja .
Abstract
The dolomite of Aïn M'lila (Teioualt quarry, State of Oum El Bouaghi), which is located in the northeast of Algeria, was the subject of our study. Based on the results of TG (vacuum) analysis of this product, our sample was calcined at different temperatures: 300, 650, 820, 920, and 1000°C. In order to compare the FTIR analysis of our calcined products with those of reference products (CaCO3 and MgCO3), our products have to be analysed using Infrared Spectroscopy after each calcination. Comparing the FTIR spectra of these carbonates with those of dolomite allows us, despite the difficulty of this method, to deduce the differences between them. In addition, the FTIR spectra of the various carbonates and oxides obtained aftereach calcination were analysed in detail. In brief, this study aims to create a new spectral database of local carbonate product (dolomite of Aïn M'lila) and comparing its characteristics with those of other carbonates (CaCO3 and MgCO3), which leads implicitly to update their databases.
Keywords
Dolomite ; Aïn M'lila ; Calcination ; Thermogravimetric Treatment TG ; FTIR Spectroscopy
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