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Textile effluent treatment employing yeast biomass and a new nanomagnetic biocomposite

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Abstract

Fabric dyeing produces high amounts of wastewater containing organic and inorganic pollutants such as reactive dyes that are the most common textile dyes employed by the industry. Three vinylsulfonic reactive dyes, blue 19 (B-19), red 198 (R-198), and yellow 15 (Y-15), were removed from effluents of industrial-like dyeing processes employing three adsorbents: (1) magnetite nanoparticles (MNP), (2) yeast waste obtained after β-glucan removal from yeast biomass (YW), and (3) nanomagnetic composite produced from YW and MNP (YW-MNP). The non-linear kinetic pseudo-second-order and two-stage models best explained the experimental phenomena for the majority of adsorbate:adsorbent systems. The theoretical isotherm models were fitted to experimental isotherms obtained from experiments conducted with appropriated dilutions of effluents, which have a specific condition, limited by the maximum dye concentration established by the dye recipe. Thus, the saturation of adsorbents was not reached for all adsorbate:adsorbent systems. In this way, the best conditional sorption capacities (SCcond) were obtained by YW (1.7, 2.3, and 2.5 g/kg for B-19, R-198, and Y-15, respectively). The SIPS model best described all dyes adsorbed by YW, while the D-R model best described the phenomena for MNP and YW-MNP.

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The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Funding

The authors received financial support from FAPESP (2016/06271-4) and Biorigin Company (São Paulo, Brazil).

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Authors

Contributions

Jacqueline R. Nascimento: Conducting the experiments, writing the text, processing the data, and preparing the original figures.

Kátia C.H. Bezerra: Preparation of textile effluents, conducting experiments

Tiago D. Martins: Treatment and discussion of adsorption kinetics data, writing - review and editing

Elma N.V.M. Carrilho: Writing - review and editing

Christiane de A. Rodrigues: Resources, writing - review and editing

Geórgia Labuto: Conception and design of experimental work, resources, formal analysis, writing - original draft, and writing - review and editing

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Correspondence to Jacqueline R. Nascimento or Geórgia Labuto.

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The authors declare no competing interests.

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Responsible Editor: Angeles Blanco

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Nascimento, J.R., Bezerra, K.C., Martins, T.D. et al. Textile effluent treatment employing yeast biomass and a new nanomagnetic biocomposite. Environ Sci Pollut Res 28, 27318–27332 (2021). https://doi.org/10.1007/s11356-021-12594-6

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  • DOI: https://doi.org/10.1007/s11356-021-12594-6

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