Evaluación del potencial de solubilización del fósforo por Aspergillus terreus

Autores/as

DOI:

https://doi.org/10.33448/rsd-v10i16.23271

Palabras clave:

Fósforo; Biosolubilización; Solubilización; Aspergillus terreus; Relaves de mineral de hierro.

Resumen

La biosolubilización es una de las tecnologías más innovadoras y prometedoras utilizadas en la recuperación de suelos, plenamente aplicable a los relaves mineros, a pesar de la inmensa incapacidad de las empresas mineras para lograr el pleno aprovechamiento de sus minerales, debido a métodos considerados falibles en el proceso minero. Este estudio visualizó la posibilidad de aplicar la solubilización del fósforo presente en relaves de mineral de hierro por Aspergillus terreus. Las pruebas analíticas propuestas en el estudio indicaron una solubilización máxima del 87,77% del fósforo por A. terreus de los relaves de mineral de hierro, correspondiente a una concentración de 286,38 mg L-1 de fósforo soluble, ocurriendo en un período de 168 horas de biosolubilización. proceso, contribuyendo así a una solubilización media de 1,70 mg h-1 de fósforo por la biomasa fúngica. Además, las imágenes microfotográficas obtenidas por MEB y MET revelaron, mediante análisis, los aspectos morfológicos y estructurales del micelio y la composición celular del hongo, demostrando la eficiente solubilización del fósforo por A. terreus. La información revelada por este estudio demuestra la eficiente solubilización del componente fósforo presente en los residuos de mineral de hierro por el hongo, resultando en una excelente tecnología, y sugerente aplicación en minería, como alternativa para reducir costos de producción, favoreciendo la sustentabilidad del hierro. minería, contribuyendo así a una mejor calidad del mineral de hierro y un probable uso de fósforo soluble, por ejemplo, en la producción de fertilizantes fosfatados.

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Publicado

07/12/2021

Cómo citar

FERREIRA, G. L. da R.; VIEIRA , J. D. G. . Evaluación del potencial de solubilización del fósforo por Aspergillus terreus. Research, Society and Development, [S. l.], v. 10, n. 16, p. e73101623271, 2021. DOI: 10.33448/rsd-v10i16.23271. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/23271. Acesso em: 25 dic. 2024.

Número

Sección

Ciencias Agrarias y Biológicas