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This research aims to evaluate the efficiency of chemically modified banana peels as a biosorbent for copper and manganese removal from water.

July 15, 2026SustainabilityOpen Access

Utilization of Chemically Modified Banana Peels as an Eco-Friendly, Cost-Effective and Sustainable Biosorbent for the Efficient Removal of Copper and Manganese from Aqueous Media: A Comparative Analysis

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Randomized trial examines the adsorption of copper and manganese using modified banana peels, indicating cost-effective biosorption.

This research aims to evaluate the efficiency of chemically modified banana peels as a biosorbent for copper and manganese removal from water.
Investigated adsorption using raw and modified banana peels (mBP–SA) in batch experiments.
Assessed various factors including pH, exposure time, and adsorbent dosage on metal removal.
Analyzed adsorption capacity and kinetics using Langmuir and Freundlich isotherm models.
Maximum removal rates were 92% for Cu2+ and 90% for Mn2+ using raw banana peels.
Modified banana peels had improved capacities of 8.70 mg g−1 for Cu2+ and 3.38 mg g−1 for Mn2+ versus 5.29 mg g−1 and 1.86 mg g−1 for raw peels, respectively.
Adsorption kinetics followed pseudo 2nd order, confirming the influence of both biosorbent and metal ions.

Al‐Farhan et al. (2026) studied this question.

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