Arid
DOI10.1016/j.scitotenv.2019.04.400
Simultaneous removal of fluoride and arsenic from well water by electrocoagulation
Lopez-Guzman, M.1; Alarcon-Herrera, M. T.1; Irigoyen-Campuzano, J. R.2; Torres-Castanon, L. A.1; Reynoso-Cuevas, Liliana1,3,4
通讯作者Reynoso-Cuevas, Liliana
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
EISSN1879-1026
出版年2019
卷号678页码:181-187
英文摘要The co-occurrence of fluoride and arsenic in groundwater presents a problem in many, mostly arid, regions of Latin America and the world. These pollutants cause significant health problems and are difficult to remove simultaneously from drinking water. In this study, the electrocoagulation process for the simultaneous removal of fluoride and arsenic was evaluated in well from the state of Durango. Mexico, in order to both solve the local problem and determine how to apply the method generally. Tests were carried out with different times, concentrations, initial pH values, and electric current densities, with iron and aluminum as electrode materials. The removal efficiencies in simultaneous presence were 85.68% for fluoride and approximately 100% for arsenic. The final concentrations for both pollutants were below the drinking water limits established by the World Health Organization (WHO) and Mexican regulations. The optimum conditions of the electrocoagulation process found were a current density of 4.5 mA/cm(2), an initial pH of 5, and a treatment time of 15 min, considering initial fluoride and arsenic concentrations of 5 mg/L and 80 mu g/L, respectively. (C) 2019 Elsevier B.V. All rights reserved.
英文关键词Electrocoagulation reactor Arsenic Fluoride Simultaneous removal Co-occurrence
类型Article
语种英语
国家Mexico
收录类别SCI-E
WOS记录号WOS:000468618900019
WOS关键词LATIN-AMERICA ; DRINKING-WATER ; GROUNDWATER ; CONTAMINATION ; TECHNOLOGIES ; COOCCURRENCE ; EXPOSURE ; IRON
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/218701
作者单位1.Ctr Invest Mat Avanzados SC, Dept Ingn Sustentable, Calle CIMAV 110,Colonia 15 Mayo, Durango 34147, Dgo, Mexico;
2.Univ Tecnol Durango, Dept Energias Renovables, Carretera Durango Mezquital Km 3-5, Durango 34308, Dgo, Mexico;
3.CONACYT, Mexico City, DF, Mexico;
4.CIMAV, Durango, Dgo, Mexico
推荐引用方式
GB/T 7714
Lopez-Guzman, M.,Alarcon-Herrera, M. T.,Irigoyen-Campuzano, J. R.,et al. Simultaneous removal of fluoride and arsenic from well water by electrocoagulation[J],2019,678:181-187.
APA Lopez-Guzman, M.,Alarcon-Herrera, M. T.,Irigoyen-Campuzano, J. R.,Torres-Castanon, L. A.,&Reynoso-Cuevas, Liliana.(2019).Simultaneous removal of fluoride and arsenic from well water by electrocoagulation.SCIENCE OF THE TOTAL ENVIRONMENT,678,181-187.
MLA Lopez-Guzman, M.,et al."Simultaneous removal of fluoride and arsenic from well water by electrocoagulation".SCIENCE OF THE TOTAL ENVIRONMENT 678(2019):181-187.
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