Please use this identifier to cite or link to this item:
Title: Design and optimization of an electrocoagulation reactor for fluoride remediation in underground water sources for human consumption
Authors: Betancor-Abreu, A.
Mena González, Vicente Fernando 
Gonzalez, S.
Delgado, S.
Souto, R. M.
UNESCO Clasification: 3303 ingeniería y tecnología químicas
Keywords: Waste-Water
Defluoridation, et al
Issue Date: 2019
Project: Comunidad de Aguas Barranco de Vergara (Los Realejos, Spain) under research contract “Estudio de viabilidad a escala de laboratorio del tratamiento de aguas subterráneas fluoradas por electrocoagulación”
Journal: Journal of Water Process Engineering 
Abstract: Fluoride remediation in underground waters of volcanic origin was performed at laboratory scale using an electrocoagulation (EC) technique. The natural waters from certain volcanic springs on the island of Tenerife (Canary Islands, Spain) contain average fluoride concentrations in excess of 7 mg/L. Thus, it is necessary to treat the water for fluoride mitigation below the maximum acceptable concentration of 1.5 mg/L according to Spanish regulations for drinking water. The design and optimization of a sustainable process was accomplished using a progressive scale-up procedure involving three pilot reactors with different configurations and effective working volumes. A bipolar electrode cell design using aluminum electrodes was used in all cases. The good performance of the process was confirmed by reducing the fluoride concentration from 7.35 to 1.4 mg/L. The following optimized operating conditions were determined for a continuous flow cell system: current density, 10 mA/cm(2); residence time, 10 min; and, half-period of polarity reversal, 1 min. Furthermore, the kinetics of the remediation process can be fitted using the Variable Order Kinetic (VOK) model, with a power relationship between fluoride concentration and residence time in the EC reactor.
ISSN: 2214-7144
DOI: 10.1016/j.jwpe.2019.100865
Source: Journal Of Water Process Engineering [ISSN 2214-7144], v. 31
Appears in Collections:Artículos
Show full item record

Google ScholarTM




Export metadata

Items in accedaCRIS are protected by copyright, with all rights reserved, unless otherwise indicated.