Physicochemical or geochemical

• Mena, V. F., Betancor-Abreu, A., González, S., Delgado, S., Souto, R. M., Santana, J. J., (2019), Fluoride removal from natural volcanic underground water by an electrocoagulation process: Parametric and cost evaluations, Journal of Environmental Management, 246, 472-483, 10.1016/j.jenvman.2019.05.147