Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles

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Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles

Bazrafshan E¹ ; Balarak D¹ ; Panahi AH¹ ; Kamani H¹ ; Mahvi AH^{2, 3}

Source: Fluoride Published:2016

Abstract

Excess fluoride ion (F) in drinking water causes harmful effects such as dental and skeletal fluorosis. Hence, its concentration in drinking water must not exceed a certain range. This study investigated the removal of F from aqueous solutions with CuO nanoparticles using a range of experimental approaches, including pH, adsorbent dose, contact times, and initial F concentration. The equilibrium adsorption data were analyzed using the Langmuir and Freundlich adsorption models. The maximum uptake value of F was 3152 mg/g at pH 5 during 40 min with 0.005 g/L nanoparticles of CuO and an initial F concentration of 5 mg/L. The fluoride adsorption equilibrium over the adsorbent was well described by the Freundlich model. The findings of this study showed that CuO nanoparticles are quite effective for F removal from aqueous environments. Thermodynamic analyses showed that the adsorption of F onto CuO nanoparticles was endothermic and spontaneous. © 2016 The International Society for Fluoride Research Inc.

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Style	Citing Format
MLA	Bazrafshan E, et al.. "Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles." Fluoride, vol. 49, no. 3, 2016, pp. 233-244.
APA	Bazrafshan E, Balarak D, Panahi AH, Kamani H, Mahvi AH (2016). Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles. Fluoride, 49(3), 233-244.
Chicago	Bazrafshan E, Balarak D, Panahi AH, Kamani H, Mahvi AH. "Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles." Fluoride 49, no. 3 (2016): 233-244.
Harvard	Bazrafshan E et al. (2016) 'Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles', Fluoride, 49(3), pp. 233-244.
Vancouver	Bazrafshan E, Balarak D, Panahi AH, Kamani H, Mahvi AH. Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles. Fluoride. 2016;49(3):233-244.
BibTex	@article{ author = {Bazrafshan E and Balarak D and Panahi AH and Kamani H and Mahvi AH}, title = {Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles}, journal = {Fluoride}, volume = {49}, number = {3}, pages = {233-244}, year = {2016} }
RIS	TY - JOUR AU - Bazrafshan E AU - Balarak D AU - Panahi AH AU - Kamani H AU - Mahvi AH TI - Fluoride Removal From Aqueous Solutions by Cupricoxide Nanoparticles JO - Fluoride VL - 49 IS - 3 SP - 233 EP - 244 PY - 2016 ER -

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