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| DOI | 10.1016/J.SCITOTENV.2024.176538 | ||||
| Año | 2024 | ||||
| Tipo | revisión |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Human activities are the main cause of arsenic contamination in the environment and water resources, being the mining industry an important source of arsenic contamination because this element is released into the environment in solid, liquid, and gaseous wastes. Currently, several physical and chemical processes could be used for the removal of arsenic in water, but these alternatives depend on the concentration of arsenic. At low concentrations (nanograms or micrograms per liter) arsenic can be removed by membrane technologies. When arsenic is at high concentrations (milligrams or grams per liter), treatment options are reduced to inefficient processes of high economic cost and poor chemical stability of the precipitate, returning consequently arsenic into the environment. Biomineralization is a biological process where microorganisms induce the formation of minerals. This bioprocess has gained interest in recent years for the removal of contaminants from liquid effluents. This review details the harmful effects of arsenic on the health and exposes the relevance of arsenic contamination related to mining activity, whose effluents contain high concentration of arsenic. It also describes and analyzes advances in arsenic treatment strategies through biomineralization using microorganisms, such as sulfate-reducing bacteria, iron- and manganese-oxidizing microorganisms, and ureolytic microorganisms, detailing aspects of effectiveness, applicability, chemical stability of biominerals and future perspectives in their industrial application. To our knowledge, there are no previous reports compiling, analyzing, and explaining in detail the biomineralization of arsenic as a single element. The importance of this review is to deliver in a summarized and systematized way the main aspects and perspectives on the application of microorganisms to remove toxic elements, such as arsenic, from effluents.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Vera-Espindola, F. | - |
Pontificia Universidad Católica de Valparaíso - Chile
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| 2 | JEISON-NUNEZ, DAVID ALEJANDRO | Hombre |
Pontificia Universidad Católica de Valparaíso - Chile
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| 3 | GENTINA-MORALES, JUAN CARLOS | Hombre |
Pontificia Universidad Católica de Valparaíso - Chile
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| 4 | MUNOZ-SANCHEZ, JESUS ANGEL | Hombre |
Universidad Complutense de Madrid - España
UNIV COMPLUTENSE MADRID - España |
| 5 | GONZALEZ-ROMO, ERNESTO | Hombre |
Pontificia Universidad Católica de Valparaíso - Chile
Universidad Complutense de Madrid - España UNIV COMPLUTENSE MADRID - España |
| Fuente |
|---|
| CODELCO |
| Ministerio de Ciencia, Innovacion y Universidades |
| Corporacion Nacional del Cobre de Chile |
| Agencia Nacional de Investigación y Desarrollo |
| (Universities of Spain) |
| Agradecimiento |
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| This work was supported by ANID Doctoral Scholarship (ANID 2021/21211483) and Corporacion Nacional del Cobre de Chile, CODELCO. David Jeison acknowledges the support provided by the CRHIAM center (ANID/FONDAP/15130015 and ANID/FONDAP/1523A0001) . Ernesto Gonzalez acknowledges the Maria Zambrano grant (Ministry of Science, Innovation and Universities of Spain).r Innovation and Universities of Spain) . |
| This work was supported by ANID Doctoral Scholarship (ANID 2021/21211483) and Corporaci\u00F3n Nacional del Cobre de Chile, CODELCO. David Jeison acknowledges the support provided by the CRHIAM center (ANID/FONDAP/15130015 and ANID/FONDAP/1523A0001). Ernesto Gonz\u00E1lez acknowledges the Maria Zambrano grant (Ministry of Science, Innovation and Universities of Spain). |