Abstract
The use of naturally derived nanocomposite beads to remove nickel and copper is gaining more attention due to its relative abundance, low toxicity, and strong affinity toward heavy metals. Most previous studies focus on removing single heavy metals using developed nanocomposite beads. This work prepared sodium alginate/banana peels/reduced graphene oxide nanocomposite beads through simple precipitation using banana peels, reduced graphene oxide, and sodium alginate. The formed nanocomposite beads were characterized and evaluated for the adsorption of nickel and copper from the aqueous phase at neutral pH. The Langmuir isotherm suggests the homogenous adsorption of metals on the surface of the bead. The maximum removal capacity is 85.32 mg/g and 95.79 mg/g for nickel and copper, respectively. This study provides new insight into utilizing banana peels, reduced graphene oxide, and sodium alginate for toxic metal remediation to overcome pollution problems.
Published Version
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