Focusing on the Mineralogical and Chemical Characteristics of Clays Consumed in the District of Abidjan (Côte D’Ivoire)

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Focusing on the Mineralogical and Chemical Characteristics of Clays Consumed in the District of Abidjan (Côte D’Ivoire)

December 17, 2020 Engineering 0

Clay products are natural products commonly used in various fields, including building, ceramics, paper, breeding, pharmaceuticals, etc. Chemical analysis, X-ray diffraction, infrared spectroscopy and thermal analysis have characterised the clay materials of the Bingerville Quarry (Abidjan District). These materials contain non-toxic minerals such as kaolinite (41% – 84%), ilite (4% – 10%), quartz (14% – 27%), goethite (2% – 5%) and small amounts of rutile (1%). They also include, in limited amounts, some heavy metals that are beneficial to human biological activity (cobalt, copper, molybdenum, zinc). Some other heavy metals that are considered toxic (lead, cadmium) For human beings, rather low content is present. The samples are moderately crystallised, characterised by relatively fine grains. Their specific area of surface ranged from 26 to 43 m2∙g−1. These samples’ mineralogical and physicochemical characteristics are like those known for their healing properties. The internal ingestion of the studied materials, although it may be helpful, involves the removal of coarse grains (φ > 2 μm) and prior microbiological regulation by sifting. Chemical studies have shown that many elements such as alkalis, heavy metal, etc are present in the samples; some of them are critical for biological activity. Samples consist primarily of kaolinite, illite associated with impurities such as quartz, goethite and rutile, mineralogical analysis indicates.

Author (s) Details

Vamoussa Coulibaly
Laboratoire de Chimie des Matériaux Inorganiques, UFR SSMT, Université Félix Houphouët-Boigny de Cocody-Abidjan, Abidjan, Côte d’Ivoire.

Joseph Sei
Laboratoire de Chimie des Matériaux Inorganiques, UFR SSMT, Université Félix Houphouët-Boigny de Cocody-Abidjan, Abidjan, Côte d’Ivoire.

Léon Konan Koffi
Laboratoire de Chimie des Matériaux Inorganiques, UFR SSMT, Université Félix Houphouët-Boigny de Cocody-Abidjan, Abidjan, Côte d’Ivoire.

Samuel Oyetola
Laboratoire de Chimie des Matériaux Inorganiques, UFR SSMT, Université Félix Houphouët-Boigny de Cocody-Abidjan, Abidjan, Côte d’Ivoire.

El-Aïd Jdid|
Université de Lorraine, Laboratoire Géoressources—UMR 7359, Rue du Doyen Roubault, Vandœuvre, France. 3CNRS, Laboratoire Géoressources—UMR 7359, Rue du Doyen Roubault, Vandoeuvre, France.

Fabien Thoma
Université de Lorraine, Laboratoire Interdisciplinaire des Environnements Continentaux—UMR 7360, 15 rue du Charmois, Vandœuvre, France and CNRS, Laboratoire Interdisciplinaire des Environnements Continentaux—UMR 7360, 15 rue du Charmois, Vandœuvre, France.

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