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Efficiency of Natural Phosphate (Apatite) Dissolution by Vegetal Organic Matter
Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
Laboratoire Agrobioprocesses, Université Mohammed VI Polytechnique, Laayoune, Maroc
Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
Laboratory of Microbial Biotechnologies, Agrosciences and Environment (BioMAgE), Faculté des Sciences Semlalia de Marrakech, Université Cadi Ayyad, Maroc
Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
- 1 Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
- 2 Laboratoire Agrobioprocesses, Université Mohammed VI Polytechnique, Laayoune, Maroc
- 3 Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
- 4 Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
- 5 Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
- 6 Laboratory of Microbial Biotechnologies, Agrosciences and Environment (BioMAgE), Faculté des Sciences Semlalia de Marrakech, Université Cadi Ayyad, Maroc
- 7 Laboratoire Gestion, Traitement et Valorisation des Déchets (GTVD), Faculté des Sciences, Université de Lomé, Lomé, Togo
Journal of Minerals and Materials Characterization and Engineering·Volume 13 (2025)·Pages 318–327·Published 30 October 2025·DOI10.4236/jmmce.2025.136018
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Abstract
Natural phosphates (Apatite) are the main sources of phosphorus, one of the three major chemical elements for plant development. The present work aims to study the efficiency of dissolution of natural phosphate from Togo during composting of a mixture of this ore with different types of vegetal matter. Phospho-composts of mixtures of ore and cow dung (A+P), poultry droppings (B+P), nymphea (C+P), domestic organic waste (D+P) and vegetal organic composts without phosphate (A, B, C and D) were elaborated. Determination of available phosphorus concentrations by the colorimetry method (HACH DR 3800) in composts and phospho-composts was realized. Analysis results revealed that organic matter has a solubilizing effect on natural phosphate. Nymphea phospho-compost has the best ore dissolved because its assimilable phosphorus content is the highest (0.88%). These results also showed that phospho-composts maturation time has a beneficial effect on the ore dissolution.
KeywordsNatural PhosphateApatiteAvailable PhosphorusOrganic MatterCompostDissolution
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