What question did this study set out to answer?

The study aims to explore the efficacy of Spirulina platensis immobilized on magnetic banana peels for removing heavy metals from wastewater.

April 21, 2026Results in EngineeringOpen Access

Biosorption of Cu (II), Pb (II), and Cr (III) ions in single and combined systems using Spirulina platensis Immobilised on magnetic banana peels: Kinetic, isotherm and reusability analyses

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This research investigates metal ion removal in wastewater, indicating promising eco-friendly treatment methods.

The study aims to explore the efficacy of Spirulina platensis immobilized on magnetic banana peels for removing heavy metals from wastewater.
Developed a magnetic bio-composite by immobilizing Spirulina platensis on banana peels.
Investigated the effects of various factors including immobilization ratio, metal competition, and contact time.
Conducted kinetic and isotherm modelling for understanding adsorption dynamics.
Achieved up to 97.67% removal of Cu (II), 95.21% Pb (II), and 93.89% Cr (III) in single-metal systems.
Identified Cu (II) as the most affected in competitive adsorption scenarios.
Demonstrated pseudo-first-order kinetics and alignment with Langmuir and Freundlich isotherms.

Sibiya et al. (2026) studied this question.

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