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Citation
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HERO ID
1017514
Reference Type
Journal Article
Subtype
Review
Title
Small-scale and household methods to remove arsenic from water for drinking purposes in Latin America
Author(s)
Litter, MI; Alarcón-Herrera, MT; Arenas, MJ; Armienta, MA; Avilés, M; Cáceres, RE; Cipriani, HN; Cornejo, L; Dias, LE; Cirelli, AF; Farfán, EM; Garrido, S; Lorenzo, L; Morgada, ME; Olmos-Márquez, MA; Pérez-Carrera, A
Year
2012
Is Peer Reviewed?
1
Journal
Science of the Total Environment
ISSN:
0048-9697
EISSN:
1879-1026
Publisher
Elsevier
Volume
429
Issue
Elsevier
Page Numbers
107-122
Language
English
PMID
21658747
DOI
10.1016/j.scitotenv.2011.05.004
Web of Science Id
WOS:000307085100007
URL
https://linkinghub.elsevier.com/retrieve/pii/S0048969711004475
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Abstract
Small-scale and household low-cost technologies to provide water free of arsenic for drinking purposes, suitable for isolated rural and periurban areas not connected to water networks in Latin America are described. Some of them are merely adaptation of conventional technologies already used at large and medium scale, but others are environmentally friendly emerging procedures that use local materials and resources of the affected zone. The technologies require simple and low-cost equipment that can be easily handled and maintained by the local population. The methods are based on the following processes: combination of coagulation/flocculation with adsorption, adsorption with geological and other low-cost natural materials, electrochemical technologies, biological methods including phytoremediation, use of zerovalent iron and photochemical processes. Examples of relevant research studies and developments in the region are given. In some cases, processes have been tested only at the laboratory level and there is not enough information about the costs. However, it is considered that the presented technologies constitute potential alternatives for arsenic removal in isolated rural and periurban localities of Latin America. Generation, handling and adequate disposal of residues should be taken into account in all cases.
Keywords
Arsenic; Emergent technologies; Latin America
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IRIS
•
Arsenic Hazard ID
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