Volume 109, Number 6, 2012Light Alloys for Transport
|Page(s)||453 - 463|
|Published online||13 November 2012|
Optimization of the heat treatment of phosphate
Laboratory of Mechanics and Energetic, Faculty of Sciences,
Physics department, Chouaib Doukkali University, P.O. Box 20, El Jadida, Morocco
2 Laboratory of the processes, Metrology and of Materials for Energy and the Environment (LP2M2E), Faculty of Sciences and Techniques, Cadi Ayyad University, BP 549, Gueliz, Marrakech, Morocco
3 Laboratory Geosciences and Techniques of Environment (LGTE), Faculty of Sciences, Geology department, Chouaib Doukkali University, P.O. Box 20, El Jadida, Morocco
Received: 28 October 2011
Accepted: 10 October 2012
In this article, we studied the process of cold and hot mixing of sedimentary phosphates of Bouchane in order to optimize the energy requirements by reducing the organic matter and carbonates. The cold mixture is done at the ambient temperature whereas the hot mixture is made at the calcination temperature. The experimental process of the mixtures is performed under the atmospheric air using the same phosphate source and mixing in the same manner, in order to make possible the comparison between cold and hot. It appeared that the hot mixture using 33% of the same phosphate source can have an important impact on the energy saving while preserving the environment and responding to the quality requirements of the users.
Key words: Phosphate / energy / mixture / cooling
© EDP Sciences 2012
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