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Open AccessArticle

Assessment of By-Product from Botryosphaeria rhodina MAMB-05 as an Effective Biosorbent of Pb(II)

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Department of Chemical, Environmental and Materials Engineering, Universidad de Jaén, Campus Las Lagunillas, 23071 Jaén, Spain
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Centre for Advanced Studies in Energy and Environment (CEAEMA), Universidad de Jaén, Campus Las Lagunillas, 23071 Jaén, Spain
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Departamento de Química, CCE – Universidade Estadual de Londrina, Londrina – Paraná CEP: 86051-990, Brazil
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Programa de Pós Graduação em Engenharia Ambiental, Universidade Tecnológica Federal do Paraná, Câmpus Londrina, Londrina – Paraná CEP: 86036-370, Brazil
*
Author to whom correspondence should be addressed.
Molecules 2019, 24(18), 3306; https://doi.org/10.3390/molecules24183306
Received: 1 July 2019 / Revised: 5 September 2019 / Accepted: 8 September 2019 / Published: 11 September 2019
(This article belongs to the Special Issue Heavy Metals Removal from Contaminated Soil and Water)
In this work, two types of biomass preparations (VMSM and M3) from the filamentous fungus Botryosphaeria rhodina MAMB-05, which were previously used in a process of production of β-glucan, were assessed as biosorbents of lead. The operating conditions, optimized through response surface methodology and experimental design, were shown to be pH 5.29 and a biosorbent dose of 0.23 g/L for the VMSM biomass type; and pH 5.06 and a dose of biosorbent of 0.60 g/L for the M3 biomass type, at a constant temperature of 27 °C. Fourier transform-infrared spectroscopy analyzed the presence of functional groups on the biomass surface. In addition to give an extra value to the by-product biomass, the VMSM-type from B. rhodina MAMB-05 showed an excellent lead biosorption capacity (qm) with a value of 403.4 mg/g for the Langmuir model, comparing favorably with literature results, while the M3 subtype biomass showed a value of 96.05 mg/g. View Full-Text
Keywords: residual biomass; lead; biosorption; SEM; FT-IR residual biomass; lead; biosorption; SEM; FT-IR
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MDPI and ACS Style

Muñoz, A.J.; Espínola, F.; Ruiz, E.; Barbosa-Dekker, A.M.; Dekker, R.F.H.; Castro, E. Assessment of By-Product from Botryosphaeria rhodina MAMB-05 as an Effective Biosorbent of Pb(II). Molecules 2019, 24, 3306.

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