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Abstract            Volume:8  Issue-8  Year-2020         Original Research Articles

Online ISSN : 2347 - 3215
Issues : 12 per year
Publisher : Excellent Publishers
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Contribution of Geothermal Approaches to the Study of Thermal Waters in the Region of Agadez (NORTH-EAST of NIGER)
Mahamadou Hima Abdoulaye, Haoua Amadou, Mahaman Sani Laouali  and Abdou Salam Manzola
Faculty of Science and Technology, Abdou Moumouni University, Niamey, BP 10662, Niger
*Corresponding author

This study aims to estimate the temperatures reached in thermal springs reservoirs in the region of Agadez through the application of the most commonly used geothermal equations (Silica, Na/K, Na-K-Ca, Na-K-Mg) and to compare these values with those calculated from the saturation indices. The equations of these geothermometers were processed with the Excel software. The Aquachem software allowed us to know the state of equilibrium between the rocks and the thermal water and to draw the Giggembach diagram for the estimation of the reservoir temperatures of the different springs. The saturation indices (SI) show that the waters in the study area are under-saturated with respect to Halite (NaCl), Gypsum (CaSO4, 2H2O), Fluorite and Anhydrite (CaSO4). The temperature results show that the silica geothermometers (temperature between 42-100°C), the Giggembach ternary diagram (temperature between 40-100°C) and the saturation index (temperature between 60-90°C) give the same 40-100°C estimation intervals. The Agadez thermal springs can be classified among the medium energy geothermal sources, thus the possibility of recovering these sources though the production of electricity, the drying of agricultural products or metal recovery.

Keywords: Geothermal energy, Thermal springs, Saturation index, Electricity, Agadez.
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How to cite this article:

Mahamadou Hima Abdoulaye, Haoua Amadou, Mahaman Sani Laouali  and Abdou Salam Manzola. 2020. Contribution of Geothermal Approaches to the Study of Thermal Waters in the Region of Agadez (NORTH-EAST of NIGER).Int.J.Curr.Res.Aca.Rev. 8(8): 6-16
doi: https://doi.org/10.20546/ijcrar.2020.808.002
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.