Abstract
The study of the different forms of nitrogen’s loss in soil has shown that there is significant ammonium fixation in clay layers which is expected to minimize water contamination. In this work, the adsorption characteristics of ammonium were studied on pure kaolinite and on clay fraction dominated by kaolinite. The characteristics of the adsorption equilibrium were measured mathematically by using the two models of Langmuir and Freundlich isotherms. And it is worthy to note as observed that the ammonium binding curves on both types of kaolinite present a similar appearance to that found by Langmuir. The initial ammonium concentration plays an important role in the adsorption’s mechanism. The ammonium adsorption capacity increases with the initial concentration and with the time flow.
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Allani, M., Hatira, A., Ibrahim, H. (2019). A Study of Ammonium Adsorption on Clay Soil (Siliana, Northern Tunisia). In: Boughdiri, M., Bádenas, B., Selden, P., Jaillard, E., Bengtson, P., Granier, B. (eds) Paleobiodiversity and Tectono-Sedimentary Records in the Mediterranean Tethys and Related Eastern Areas. CAJG 2018. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-030-01452-0_72
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DOI: https://doi.org/10.1007/978-3-030-01452-0_72
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