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Estudio de la biorremoción de metales mediante cepas fúngicas nativas aisladas de efluentes industriales en un sistema de agitación continúa, Arequipa 2017

Aymara_Uscamayta, Carlos Gilberto, Lazarte Rivera, Antonio Mateo·2018·Veritas

Abstract

Los metales (plomo, cromo, boro y hierro), son considerados contaminantes cuando se encuentran en altas concentraciones. En el presente estudio se aislaron 4 cepas fúngicas, correspondientes a los géneros Aspergillus, Pseudocamarosporium, Penicillium y Alternaria, de la poza aledaña a la planta de tratamiento aguas residuales del Parque Industrial de Rio Seco (PIRS) ubicada en el distrito de Cerro Colorado, provincia de Arequipa, departamento de Arequipa (coordenadas: 16° 24’ 58” S 71° 24’ 58” O), de los cuales se determinó su tolerancia a 4 metales (Pb, Cr, B y Fe) mediante la Concentración Mínima Inhibitoria (CMI). Donde solo Aspergillus niger presento una CMI por encima de 5000 mg/L de concentración de Pb, B y Fe en placas Petri con un medio de cultivo solido Sabouraud en un periodo de 21 días. También se determinó el Porcentaje de Inhibición (PI) en la producción de biomasa en medio de cultivo líquido, se registraron los siguientes resultados para A. niger: 15.5%, 31.6%, 9.6%, 16.9% de PI para Pb, Cr, B y Fe respectivamente y 35.3 % de PI frente a todos los metales en conjunto a 500 mg/L de concentración. Finalmente se exploró el potencial de la biomasa de A. niger para remover metales, en un sistema con agitación continua, encontrándose los siguientes valores de Capacidad de Biorremoción (CB): 93.82, 48.45, 41.13 y 85.8 mg/g para Pb, Cr, B y Fe respectivamente.

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Crossref · 10.35286/veritas.v19i1.166

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  • The application of the fungus A. niger by Aymara and the combination of native fungi and activated charcoal by Quina resulted in 97% CrT removal.

    “Similarly, the application of the fungus A. niger by Aymara [88] and the combination of native fungi and activated charcoal by Quina [89] resulted in 97% CrT removal.”
  • Promising results within the Arequipa-specific literature to remove Cr species through bioremediation came from the use of unspecified sulfate-reducing bacteria, the fungi Penicillium sp. and A. niger, and the combination of filamentous fungi with activated charcoal.

    “Promising results within the Arequipa-specific literature to remove Cr species through bioremediation (Table 4a,b) came from the use of unspecified sulfate-reducing bacteria [83], the fungi Penicillium sp.[90] and A. niger [88], and the combination of filamentous fungi with activated charcoal [89].”

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Metadata

Authors
Aymara_Uscamayta, C. G., & Lazarte Rivera, A. M.
Venue
Veritas
Published
2018-12-20
Volume
19
Issue
1
Pages
55
ISSN
1684-7822
Cited by
0
References
0

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