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Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica

Arsenic in water can lead to serious health problems for consumers. In Costa Rica, concentrations higher than the allowable limit (10 ug/L) have been identified in water for human consumption. The adsorption of arsenic on an adsorbent material has been used successfully in other countries for arseni...

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Autores Principales:	Acuña-Piedra, Andrea, Araya-Obando, Andrés, Romero-Esquivel, Luis Guillermo
Formato:	Artículo
Idioma:	Español
Publicado:	Editorial Tecnológica de Costa Rica 2016
Materias:	Arsenic; water treatment; adsorption; natural adsorbents; Costa Rica Arsénico; tratamiento de agua; adsorción; adsorbentes naturales
Acceso en línea:	https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/2899

id	RepoTEC7940
recordtype	dspace
spelling	RepoTEC79402018-06-04T20:25:18Z Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica Selección teórica de adsorbentes potenciales naturales de bajo costo para la remoción de arsénico en el agua de consumo humano en Costa Rica Acuña-Piedra, Andrea Araya-Obando, Andrés Romero-Esquivel, Luis Guillermo Arsenic; water treatment; adsorption; natural adsorbents; Costa Rica Arsénico; tratamiento de agua; adsorción; adsorbentes naturales Arsenic in water can lead to serious health problems for consumers. In Costa Rica, concentrations higher than the allowable limit (10 ug/L) have been identified in water for human consumption. The adsorption of arsenic on an adsorbent material has been used successfully in other countries for arsenic removal. To do this, a large variety of synthetic or natural products of industrial or agricultural processes are available as adsorbent materials. The synthetic adsorbents usually have high adsorption capacities but represent higher purchasing costs, contrary to natural materials and processes waste, which are cheaper and easier to find; nevertheless, they have a lower adsorption capacity. Within this context, an analysis of local options for natural materials at low cost is presented. They are materials with a relatively high content of iron oxides, aluminum and titanium, that could be used to remove arsenic from water. The identified materials are biotite, limestone, diatomite, magnetite enriched sands and pyroclastic rocks of basaltic composition. All these materials originate in the area of Guanacaste, affected by presence of arsenic in water. El arsénico presente en agua puede llegar a causar serios problemas en la salud de los consumidores. En Costa Rica, se han identificado aguas de consumo humano con concentraciones mayores al límite permitido (10 µg/L). La adsorción del arsénico por un material adsorbente ha sido utilizada en otros países con éxito. Para ello, se han utilizado gran variedad de materiales adsorbentes sintéticos, naturales o subproductos de procesos industriales o agrícolas. Los adsorbentes sintéticos, por lo general, presentan alta capacidad de adsorción pero representan altos costos adquisitivos, contrariamente a los materiales naturales y de residuos de procesos que aunque tienen capacidades de adsorción menores, son más baratos y se encuentran más fácilmente. En el marco del contexto en mención, se presenta un análisis de las opciones de materiales naturales de origen local y de bajo costo adquisitivo, con un contenido relativamente alto de óxidos de hierro, aluminio y titanio, que podrían ser utilizados para remover arsénico del agua. Los materiales identificados son biotita, piedra caliza, diatomita, arenas ricas en magnetita y rocas piroclásticas de composición basáltica. Todos esos materiales son originarios de la zona de Guanacaste, afectada por la presencia de arsénico en agua. 2016-11-15 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo revisado por pares https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/2899 10.18845/tm.v29i6.2899 spa https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/2899/pdf Copyright (c) 2016 Revista Tecnología en Marcha application/pdf Editorial Tecnológica de Costa Rica Revista Tecnología en Marcha; Revista Tecnología en Marcha. Número Especial Estudiantes 3; pág. 23-34 2215-3241 0379-3982
institution	Tecnológico de Costa Rica
collection	Repositorio TEC
language	Español
topic	Arsenic; water treatment; adsorption; natural adsorbents; Costa Rica Arsénico; tratamiento de agua; adsorción; adsorbentes naturales
spellingShingle	Arsenic; water treatment; adsorption; natural adsorbents; Costa Rica Arsénico; tratamiento de agua; adsorción; adsorbentes naturales Acuña-Piedra, Andrea Araya-Obando, Andrés Romero-Esquivel, Luis Guillermo Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica
description	Arsenic in water can lead to serious health problems for consumers. In Costa Rica, concentrations higher than the allowable limit (10 ug/L) have been identified in water for human consumption. The adsorption of arsenic on an adsorbent material has been used successfully in other countries for arsenic removal. To do this, a large variety of synthetic or natural products of industrial or agricultural processes are available as adsorbent materials. The synthetic adsorbents usually have high adsorption capacities but represent higher purchasing costs, contrary to natural materials and processes waste, which are cheaper and easier to find; nevertheless, they have a lower adsorption capacity. Within this context, an analysis of local options for natural materials at low cost is presented. They are materials with a relatively high content of iron oxides, aluminum and titanium, that could be used to remove arsenic from water. The identified materials are biotite, limestone, diatomite, magnetite enriched sands and pyroclastic rocks of basaltic composition. All these materials originate in the area of Guanacaste, affected by presence of arsenic in water.
format	Artículo
author	Acuña-Piedra, Andrea Araya-Obando, Andrés Romero-Esquivel, Luis Guillermo
author_sort	Acuña-Piedra, Andrea
title	Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica
title_short	Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica
title_full	Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica
title_fullStr	Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica
title_full_unstemmed	Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica
title_sort	potential natural low-cost adsorbents for the removal of arsenic in drinking water in costa rica
publisher	Editorial Tecnológica de Costa Rica
publishDate	2016
url	https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/2899
_version_	1796142456627003392
score	12.041417

Potential natural low-cost adsorbents for the removal of arsenic in drinking water in Costa Rica

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