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The Effect of Chlorhydric Acid Activation on the Physico-Chemical and Rheological Properties of A Kaolinite


Affiliations
1 Department of Applied Chemistry, National School of Agro-Industrial Sciences, University of Ngaoundere, PO. Box.455, Cameroon
2 Department of Chemical Sciences, University Degli Stuti of Camerino, Via S. Agostino 1, 62032, Italy
3 Department of Chemistry, Physics, and Environment, "Dunarea de Jos" University of Galati, 800008, Romania
 

The kaolinite (Douala, Cameroun) (named D0M) was activated with HCl 0.5M at 25°C for 24h (named D05M) to obtain optimum parameters for imparting a maximum power toward facial mask. The natural and activated samples were characterized by scanning electron microscopy (SEM), X-ray Dispersive Energy Spectroscopy (XDE), X Fluorescence (XF), X-ray diffraction (XRD), by Fourier Transform Infrared Spectroscopy (FTIR), thermogravimetric analysis (TGA), Nitrogen adsorption-desorption, pore size distribution (PSD), and rheological properties of the samples were determined. The results show that the acid activation implore the specific surface area from 55.05 m2/g to 61.23 m2/g, whereas total pore volume is 0.228ml/g before acid activation and 0.248 ml/g after activation. The essential elements such as calcium, Magnesium and sodium not change considerably; the superficial properties are not modified. Rheological analyzes show that viscosity increase with acid activation and be more benefit as facial mask application.

Keywords

Kaolinite, Physico-Chemical, Rheological Properties.
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  • The Effect of Chlorhydric Acid Activation on the Physico-Chemical and Rheological Properties of A Kaolinite

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Authors

O. Ngomo
Department of Applied Chemistry, National School of Agro-Industrial Sciences, University of Ngaoundere, PO. Box.455, Cameroon
J. M. Sieliechi
Department of Applied Chemistry, National School of Agro-Industrial Sciences, University of Ngaoundere, PO. Box.455, Cameroon
J. B. Tchatchueng
Department of Applied Chemistry, National School of Agro-Industrial Sciences, University of Ngaoundere, PO. Box.455, Cameroon
R. Kamga
Department of Applied Chemistry, National School of Agro-Industrial Sciences, University of Ngaoundere, PO. Box.455, Cameroon
A. Tabacaru
Department of Chemical Sciences, University Degli Stuti of Camerino, Via S. Agostino 1, 62032, Italy
R. Dinica
Department of Chemistry, Physics, and Environment, "Dunarea de Jos" University of Galati, 800008, Romania
M. Praisler
Department of Chemistry, Physics, and Environment, "Dunarea de Jos" University of Galati, 800008, Romania

Abstract


The kaolinite (Douala, Cameroun) (named D0M) was activated with HCl 0.5M at 25°C for 24h (named D05M) to obtain optimum parameters for imparting a maximum power toward facial mask. The natural and activated samples were characterized by scanning electron microscopy (SEM), X-ray Dispersive Energy Spectroscopy (XDE), X Fluorescence (XF), X-ray diffraction (XRD), by Fourier Transform Infrared Spectroscopy (FTIR), thermogravimetric analysis (TGA), Nitrogen adsorption-desorption, pore size distribution (PSD), and rheological properties of the samples were determined. The results show that the acid activation implore the specific surface area from 55.05 m2/g to 61.23 m2/g, whereas total pore volume is 0.228ml/g before acid activation and 0.248 ml/g after activation. The essential elements such as calcium, Magnesium and sodium not change considerably; the superficial properties are not modified. Rheological analyzes show that viscosity increase with acid activation and be more benefit as facial mask application.

Keywords


Kaolinite, Physico-Chemical, Rheological Properties.