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Erschienen in:
2018 | OriginalPaper | Buchkapitel
Application of Factorial Plan for the Recovery of Phosphate Rejects +15 mm by Flotation Method Case of the Mine of Djebel Onk, Tebessa - Algeria
verfasst von : M. Ali, I. Abdelaziz, O. H. Malek, M. Mohamed
Erschienen in: Proceedings of the Third International Symposium on Materials and Sustainable Development
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Abstract
The mining complex of Djebel Onk specializes on phosphate mining. Between the faced problems put down in this establishment, the phosphate rejections (+15 mm) considered low-grade issues of the treatment cycle, which represent 20% of sieved product. Actually, it occupies large surfaces in the region, which provoke negatively on the environment under the effects of climate changes (wind, rain, snow). The main objective of this study is to do a chemical characterization to know their composition and to seek the possibility of upgrading them in one hand and to recover the maximum occupied surfaces to protect the environment of the region in the other hand. It was noted according to the chemical analysis that they are rich in P2O5 (19–25%), treating this later makes it a new source of phosphate. The proposed method of flotation required the application of a statistical method by using design of experiments, which proved the influence of some chosen factors on (tenor) as a response.