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Study of Pb2 +, Cu2 + and Ni2 + metal adsorption phenomenon in polyethylene microplastic
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This study examined how polyethylene microplastics adsorb heavy metals — specifically lead, copper, and nickel — from water, with implications for how plastic pollution can concentrate and transport toxic contaminants in aquatic environments.
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Adsorption of Cadmium, Copper and Lead on Polypropylene and Polyethylene Microplastics
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This laboratory study measured how cadmium, copper, and lead adsorb onto polypropylene and polyethylene microplastic particles in seawater, finding that microplastics concentrate these toxic metals at levels well above surrounding water concentrations. The results reinforce concerns that microplastics act as carriers of heavy metal contamination in marine ecosystems.
Study of metals of adsorption of metals Pb2+, Cu2+ and Ni2+ in polyethylene microplastic
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This study examined the adsorption of heavy metal ions (lead, copper, and nickel) onto polyethylene microplastics, investigating the role of plastics as vectors for metal contamination. Results showed the Freundlich model best described adsorption behavior, with nickel showing the highest maximum adsorption capacity.
Evaluation of microplastic contamination by metals in a controlled environment: A risk to be considered
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Researchers found that polyethylene terephthalate microplastics readily adsorb nickel, copper, and zinc metals in aquatic environments, demonstrating that degraded plastics can act as carriers for metal contaminants and pose compounded environmental risks.
Characterization of polyethylene and polyurethane microplastics and their adsorption behavior on Cu2+ and Fe3+ in environmental matrices
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Researchers characterized polyethylene and polyurethane microplastics and measured their ability to adsorb heavy metals, finding that both types can bind copper and iron ions from water — raising concern that microplastics may act as carriers that transport toxic metals deeper into aquatic ecosystems and food chains.
The potential of microplastics as carriers of metals
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Five types of microplastics were tested for their ability to adsorb heavy metals (Cd, Co, Cr, Cu, Ni, Pb, Zn) in different water matrices, finding significant adsorption of lead, chromium, and zinc—especially on polyethylene and PVC—with surface area and porosity as key drivers. The study identifies microplastics as potential vectors for heavy metal transport and transfer through aquatic food chains.
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