Banana Peel Powder Biosorbent for Removal of Hazardous Organic Pollutants from Wastewater

Disposing of pollutants in water sources poses risks to human health and the environment, but biosorption has emerged as an eco-friendly, cost-effective, and green alternative for wastewater treatment. This work shows the ability of banana peel powder (BPP) biosorbents for efficient sorption of meth...

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Bibliographic Details
Published in:Toxics (Basel) 2023-08, Vol.11 (8), p.664
Main Authors: Farias, Kelly C. S, Guimarães, Rita C. A, Oliveira, Karla R. W, Nazário, Carlos E. D, Ferencz, Julio A. P, Wender, Heberton
Format: Article
Language:English
Subjects:
Activated carbon
Adsorbents
Adsorption
Atrazine
Banana
Biomass
Biomaterials
Biomedical materials
Biosorption
By-products
Chemisorption
dye
Dyes
Environmental aspects
Equilibrium
Functional groups
Glyphosate
Hazardous wastes
Health risks
Heavy metals
Herbicides
Materials
Methylene blue
Oxidation
Pesticides
Pollutant removal
Pollutants
Purification
Scanning electron microscopy
Sewage
Sorption
Wastewater pollution
Wastewater treatment
Water pollution
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Summary:Disposing of pollutants in water sources poses risks to human health and the environment, but biosorption has emerged as an eco-friendly, cost-effective, and green alternative for wastewater treatment. This work shows the ability of banana peel powder (BPP) biosorbents for efficient sorption of methylene blue (MB), atrazine, and glyphosate pollutants. The biosorbent highlights several surface chemical functional groups and morphologies containing agglomerated microsized particles and microporous structures. BPP showed a 66% elimination of MB in 60 min, with an adsorption capacity (qe) of ~33 mg g−1, and a combination of film diffusion and chemisorption governed the sorption process. The biosorbent removed 91% and 97% of atrazine and glyphosate pesticides after 120 min, with qe of 3.26 and 3.02 mg g−1, respectively. The glyphosate and atrazine uptake best followed the Elovich and the pseudo-first-order kinetic, respectively, revealing different sorption mechanisms. Our results suggest that BPP is a low-cost biomaterial for green and environmentally friendly wastewater treatment.
ISSN:2305-6304
2305-6304
DOI:10.3390/toxics11080664