Experimentation of an evaporation-crystallization process of solar salt from Merouane Chott (South-East Algeria)

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Authors:

S.Remli, Larbi Tebessi University, Tebessa, Algeria, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

M.Bounouala, Dr. Sc. (Tech.), Prof., Badji Mokhtar University, Annaba, Algeria

I.Rouaiguia,Badji Mokhtar University, Annaba, Algeria

Abstract:

Purpose. To optimize the phenomenon of salt crystallization at Merouane Chott (Algeria) by solar energy using mirror reflection of solar radiation.

Methodology. In this work, experimental studies were carried using test facilities for evaporating brine equipped with a mirror and installed near the Merouane Chott. The test results were compared to the data obtained while applying the same facilities, yet without a mirror.

Findings. According to the test results obtained using test facilities with a mirror, the evaporation rate and the crystallization thickness of the salt are very significant compared to the control pan, probably due to the surface of the reflecting mirror; the time of crystallization of the brine by solar energy is proportional to the dimensioning of the mirrors.

Originality. The study site of the Merouane Chott is located in the region of El Oued (South East of Algeria) which is characterized by an intense solar flux. To benefit from this renewable energy source, a flat mirror was installed to accelerate the salt crystallization process and optimize the residence time of salt brine by natural evaporation.

Practical value. The optimization of the salt crystallization process by solar energy with the use of plane mirrors installed on the salt pans and the presence of a favorable organic environment present sources of sustainable development assets of the salt industry based on its evaporation driven by solar energy, as well as the development of a region rich in fauna, flora and geo-tourism.

References.

1. Andrusikiewicz, W. and Tora, B., 2016, Recycling of Rock-Salt Dust and Brine after Rock Salt Production, Inżynieria Mineralna. Journal of the Polish Mineral Engineering Society, January-June, pp. 135‒142.

2. Haddane, A., Hacini, M. and Bellaoueur, A., 2015. Hydrochimie et facies geochimiques des saumures du chott baghdad (sud algerien). In: Troisième Colloque International sur La Géologie du Sahara Ressources minérales, Énergétiques, hydrocarbures et eaux Ouargla, 09‒10 Décembre 2015, pp. 81‒85. Available at: <https://dspace.univouargla.dz/jspui/bitstream/ 123456789/12542/1/HADDANE-ABDENNOUR.pdf> [Accessed 10 October 2017].

3. Kasedde, H., Kirabira, J. B., Bäbler, M. U., Tilliander, A. and Jonsson, S., 2014, Characterization of brines and evaporites of Lake Katwe, Uganda. Journal of African Earth Sciences, 91, pp. 55‒65.

4. Kasedde, H., Lwanyaga, J. D., Kirabira, J. B. and Bäb­ler, M. U., 2015. Optimization of solar energy for salt extraction from lake Katwe, Uganda. Global NEST Journal, 16(6), pp. 1152‒1160.

5. Demnati, F., 2013. Biodiversité et Enjeux Socio-économiques des lacs salés (Chotts et Sebkhas) d’Algérie. Cas du Chott Merouane et Melghir. Universite Mohamed Khider-Biskra. Available at: <http://thesis.univ-biskra.dz/51/1/agro_d1.pdf> [Accessed 17 October 2017].

6. Kadri, M. M., Hacini, M. and Saker, L., 2013. Comparative geochemistry study in two geochemistry cycle in the wasteland area (example of Chott Merouane). Int. J. Environment & Water, 2(2), pp. 32‒37.

7. Nasri, N., Bouhli, R., Saaltink, M. W. and Gama­zo, P., 2015. Modeling the hydrogeochemical evolution of brine in saline systems: case study of the Sebkha of Oum El Khialate in South East Tunisia. Applied Geochemistry, 55, pp. 160‒169.

8. Kasedde, H., 2016. Towards the Improvement of Salt Extraction from Lake Katwe Raw Materials in Uganda. KTH, Royal Institute of Technology.

9. Hadj Ammar, M. A., Benhaoua, B. and Balghouthi, M., 2015. Simulation of tubular adsorber for adsorption refrigeration system powered by solar energy in sub-Sahara region of Algeria. Energy Conversion and Management, 106, pp. 31‒40.

10. ENASEL, 2014. Rapport inédit, Entreprise d’Exploitation du sel, plan d’exploitation et production du sel.Chott Merouane El- Oued, Ministère de L’Energie et des Mines, Algérie.

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