<b>Biosorbent of macadamia residue for cationic dye adsorption in aqueous solution

Andressa Colussi Honorato; Renan Buque Pardinho; Douglas Cardoso Dragunski; Affonso Celso Gonçalves Junior; Josiane Caetano

doi:10.4025/actascitechnol.v39i1.28524

<b>Biosorbent of macadamia residue for cationic dye adsorption in aqueous solution

Authors

Andressa Colussi Honorato Universidade Estadual do Oeste do Paraná
Renan Buque Pardinho Universidade Estadual do Oeste do Paraná
Douglas Cardoso Dragunski Universidade Estadual do Oeste do Paraná
Affonso Celso Gonçalves Junior Universidade Estadual do Oeste do Paraná
Josiane Caetano Universidade Estadual do Oeste do Paraná

DOI:

https://doi.org/10.4025/actascitechnol.v39i1.28524

Keywords:

effluent, agro industrial waste, methylene blue, Macadamia biomass.

Abstract

This study evaluated the adsorption capacity of the methylene blue dye in macadamia residues, in natura and chemically modified. The waste characterization was performed using SME and spectroscopy in the infrared region, indicating the presence of carboxyl, carbonyl and hydroxyl groups. The equilibrium time for both residues was 240 minutes, following a kinetic described by models of the pseudo second-order and intra-particle diffusion. The maximum adsorption capacity was 117 mg g^-1 to the residue in natura and 184 mg g^-1 for the modified one, and was described by the Freundlich isotherm model. The system demonstrated to be spontaneous and favorable for both studied materials. Thus, these residues are promising for the adsorption of methylene blue dye in effluents.

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Published

2017-02-24

How to Cite

Honorato, A. C., Pardinho, R. B., Dragunski, D. C., Gonçalves Junior, A. C., & Caetano, J. (2017). <b>Biosorbent of macadamia residue for cationic dye adsorption in aqueous solution. Acta Scientiarum. Technology, 39(1), 97–102. https://doi.org/10.4025/actascitechnol.v39i1.28524

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Issue

Vol. 39 No. 1 (2017)

Section

Chemistry

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0.8

2019CiteScore

36th percentile