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Evaluation of the Adsorption Capacity of Calcine Bones for the Removal of Fluoride Ions in Water by Thomas Model Application
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2019 |
| Abstract | This study aims to propose a method for reducing the concentration of fluoride ions in the groundwater of the Bangui region by a simple and cheaper technique that is respectful of the environment through the use of calcined beef bones, accessible to developing countries. We applied ionometry for the determination of fluoride using an automatic ionometer controlled by software "Labcom" version 2.3. The results obtained in this work show a large capacity of these adsorbent materials to retain fluoride ions. We found a significant increase the fixing capacity as a function of particle size, and Thomas' model was finally used to determine the fixing capacity of the calcined materials. The values obtained experimentally on the support 0.4 mm in diameter is q(eq) = 116 mg/kg is clearly better compared to that obtained on the support 0.7 mm, q(eq) = 43 mg/kg. These results confirm the effectiveness of the size of the finest material (support 0.4 mm) to effectively remove fluoride ions. G. Dilla, O.B. Mobili, E.Foto*, O. Allahdin, J.Mabingui . Hydrosciences Laboratory Lavoisier (HLL), Faculty of Sciences, University of Bangui PO Box 908, Central African Republic. Submission: 23 August 2019 Accepted: 28 August 2019 Published: 30 September 2019 www.ijppr.humanjournals.com Citation: E.Foto et al. Ijppr.Human, 2019; Vol. 16 (2): 162-175. 163 1) INTRODUCTION Water is an indispensable natural source in the lives of humans, animals and plants. To have it in sufficient quantity and quality contributes to the maintenance of health. But it can also be a source of diseases due to pollution by industrial discharges, wastewater, household waste and various organic waste [1]. The depletion of surface water forces water producers to diversify sources of supply by tapping into the basement. Although it is considered an important source for the nutrition of small towns, in some cases it's chemical composition can cause public health problems, especially when it contains in excess undesirable substances such as the fluoride ion. According to previous studies, the regular consumption of water with fluoride ion concentrations higher than 1.5 mg / l causes the appearance of dental fluorosis, which is characterized by tooth calcification [2]. Fluorides are naturally present in the Earth's crust and in the waters of the planet. They are released into the environment when minerals in soils are exposed to climatic elements (rain, erosion, etc.); volcanic activity and aerosols from marine waters can also emit fluorides. Fluorides in the environment are becoming more abundant. This is due in particular to their increasing use in industrial products and in dental health products. By considering fluoride levels in ambient air, drinking water, food, consumer goods and dental health products, the average amount absorbed by humans is about 20 below the level of adverse effects are generally felt in the skeleton. [3] Some pictures on bone fluorosis Image No. 1: osteoporosis Image No. 2: Spotted email www.ijppr.humanjournals.com Citation: E.Foto et al. Ijppr.Human, 2019; Vol. 16 (2): 162-175. 164 2. MATERIALS AND METHODS |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://ijppr.humanjournals.com/wp-content/uploads/2019/10/14.G.-Dilla-O.B.-Mobili-E.Foto-O.-Allahdin-J.Mabingui.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
