Treatment of water containing methylene by biosorption using Brazilian berry seeds ( Eugenia uniflora )
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RESEARCH ARTICLE
Treatment of water containing methylene by biosorption using Brazilian berry seeds (Eugenia uniflora) Jordana Georgin 1,2 & Dison S. P. Franco 1 & Matias Schadeck Netto 1 & Daniel Allasia 2 & Marcos L. S. Oliveira 3,4 & Guilherme Luiz Dotto 1 Received: 26 December 2019 / Accepted: 17 March 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Brazilian berry seeds (Eugenia uniflora) were used as an eco-friendly and low-cost biosorbent for the treatment of textile effluents containing methylene blue. Characterization techniques indicated that Brazilian berry seeds are constituted of irregular particles, mainly composed of lignin and holocellulose groups, distributed in an amorphous structure. Methylene blue biosorption was favorable at pH of 8, using a biosorbent dosage of 0.8 g L−1. The equilibrium was reached in the first 20 min for lower M methylene blue concentrations and 120 min for higher methylene blue concentrations. Furthermore, the general and pseudo-second-order models were suitable for describing the kinetic data. Langmuir was the most adequate model for describing the isotherm curves, predicting a biosorption capacity of 189.6 mg g−1 at 328 K. Biosorption was spontaneous (− 9.54 ≤ ΔG0 ≤ −8.06 kJ mol−1) and endothermic, with standard enthalpy change of 6.11 kJ mol−1. Brazilian berry seeds were successfully used to remove the color of two different simulated textile effluents, achieving 92.2% and 73.5% of removal. Last, the fixed-bed experiment showed that a column packed with Brazilian berry seeds can operate during 840 min, attaining biosorption capacity of 88.7 mg g−1. The data here presented indicates that textile effluents containing methylene blue can be easily and successfully treated by an eco-friendly and low-cost biosorbent like Brazilian berry seeds. Keywords Biosorption . Dye . Eco-friendly . Effluent . Fixed-bed . Methylene blue
Introduction Editorial Responsibility: Philippe Garrigues Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11356-020-08496-8) contains supplementary material, which is available to authorized users. * Marcos L. S. Oliveira [email protected] * Guilherme Luiz Dotto [email protected] 1
Chemical Engineering Department, Federal University of Santa Maria, UFSM, 1000, Roraima Avenue, Santa Maria, RS 97105-900, Brazil
2
Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria 97105900, Brazil
3
Department of Civil and Environmental, Universidad De La Costa, Calle 58 #55-66, 080002 Barranquilla, Atlántico, Colombia
4
Faculdade Meridional IMED, 304, Passo Fundo, RS 99070-220, Brazil
Nowadays, different industries, such as textile, paper, leather tanning, food processing, plastics, cosmetics, rubber, and printing, apply dyes to give color for its products (Yagub et al. 2014). An example of dye is methylene blue (MB), which presents high chemical stability, being one of the most applied dyes on the textile industries (Catanho et al. 20
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