Characterization and application of orange peel as an adsorbent for cationic dye removal from aqueous solution

Authors

DOI:

https://doi.org/10.5902/2236117065271

Keywords:

Alternative biomass, Adsorption, Activated carbon, Dye, Isotherms

Abstract

 With the great generation of colored effluents, several methods for the removal of the color are used, being one of them the method of adsorption in solid medium. In this paper, the in natura orange peel was used as the alternative biomass for the adsorption process of methylene blue, which was characterized by moisture content, pH, apparent density, iodine number, and methylene blue index. To determine the adsorptive capacity of the methylene blue dye, pH 7 was obtained as favorable, the adsorption process showed an adsorption of 82% of the methylene blue dye and a 10 min equilibrium time, where the Freundlich isotherm presented a better adaptation to the adsorption process in orange peel, with its maximum adsorption capacity of 3.9630 mg g-1, for the methylene blue dye. 

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Author Biographies

Aline Haas, Universidade Federal de Santa Maria- Campus de Frederico Westphalen, RS

Master in Environmental Sciences by the Graduate Program in Environmental Sciences at the State University of Santa Catarina (UDESC) - Campus de Lages/SC - Brazil

Eliane Pereira dos Santos, Universidade Federal de Santa Maria- Campus de Frederico Westphalen, RS

Graduated in Industrial Chemistry from the Federal University of Santa Maria (1998), master's degree in Pharmaceutical Science and Technology from the Federal University of Santa Maria (2001) and doctorate in Chemistry from the Federal University of Santa Maria (2006).

References

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Published

2021-05-06 — Updated on 2022-07-25

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How to Cite

Haas, A., & Santos, E. P. dos. (2022). Characterization and application of orange peel as an adsorbent for cationic dye removal from aqueous solution. Revista Eletrônica Em Gestão, Educação E Tecnologia Ambiental, 25, e16. https://doi.org/10.5902/2236117065271 (Original work published May 6, 2021)

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Section

ENVIRONMENTAL THECNOLOGY

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