Use of low-cost adsorbent derived from the brazilian cerrado biome to remove pollutants in effluent




Biomass; Biochar; Pequi; Pollutants.


The biochar of the Pequi peel represents a sustainable alternative in the process of treating effluents through adsorption system. This study investigates the adsorption capacity in a fixed bed column of the activated biochar from pequi peel (ABPP) to remove the components. The biochar was obtained by pyrolysis, which was activated with zinc Chloride - ZnCl₂. Through the Thomas model, it was found that the concentration of Paracetamol of 5 mg L-1 obtained 3.21 mg g-1 of drug adsorption, which was higher than the adsorption obtained with the concentrations of 10 mg L-1 (3.02 mg g-1) and 20 mg L1 (1.22 mg g-1). Methylene blue was tested with a concentration of 3 mg L-1, adsorbing 8.07 mg g-1. The data fit the Thomas model with an R² higher than 0.90. The capacity of ABPP to adsorb methylene blue and Paracetamol was satisfactory, with adsorbing significant.


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How to Cite

BRITO, M. R. .; ARRUDA, M. G. .; PEDROZA, M. M. .; FAGNANI, H. M. C. .; JACONI, A. .; RAMBO, M. K. D. . Use of low-cost adsorbent derived from the brazilian cerrado biome to remove pollutants in effluent. Research, Society and Development, [S. l.], v. 10, n. 13, p. e58101321154, 2021. DOI: 10.33448/rsd-v10i13.21154. Disponível em: Acesso em: 7 dec. 2021.



Exact and Earth Sciences