Abstract
The aim of the study was to investigate performance of precipitation and adsorption methods in removing excessive fluoride from water samples collected from Algerian North-Eastern Sahara. Defluoridation processes were conducted using one the one hand lime and on the other hand a raw and activated bentonite from western Algeria. Results showed that high lime dosage was needed to achieve treatment but the presence of high levels of magnesium was beneficial for the defluoridation. Activated bentonite had higher fluoride removal capacity than raw bentonite and resulted in residual fluoride concentrations well within recommended standards. Both defluoridation methods were dependent on inorganic quality of tested waters.
Publisher
Trans Tech Publications, Ltd.
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