Material Properties, Characterization, and Application of Microcellular Injection-Molded Polypropylene Reinforced with Oyster Shells for Pb(II) Adsorption Kinetics from Aqueous Solutions.

Minyuan Chien, Naveen Bunekar, Cabangani Donga, Pontsho Mbule, Tlou Nathaniel Moja, Shyhshin Hwang

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Article in Polymers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1 citing paper in PubMed.

3D-Printed PLA Filaments Reinforced with Durian (Polymers · 2026
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6 authors.

Minyuan ChienDepartment of Vehicle Engineering, Chien-Hsin University of Science and Technology, Taoyuan 320678, Taiwan.

Naveen BunekarDepartment of Chemistry, Chung Yuan Christian University, Taoyuan 32023, Taiwan.ORCID 0000-0003-2145-6122

Cabangani DongaDepartment of Physics, College of Science, Engineering and Technology, University of South Africa, Florida Campus, Johannesburg 1709, South Africa.

Pontsho MbuleDepartment of Physics, College of Science, Engineering and Technology, University of South Africa, Florida Campus, Johannesburg 1709, South Africa.ORCID 0000-0002-9638-0022

Tlou Nathaniel MojaInstitute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida Campus, Johannesburg 1709, South Africa.ORCID 0000-0001-8875-3573

Shyhshin HwangDepartment of Mechanical Engineering, Chien-Hsin University of Science and Technology, Taoyuan 320678, Taiwan.ORCID 0000-0001-8886-3879

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6 · The paper itself

Abstract

Microcellular injection-molded polypropylene/oyster shell nano-powder (PP/OSP) composites show potential as adsorbent materials for reducing toxic metal ion contamination in groundwater. This study investigates the material properties of PP/OSP composites and evaluates their Pb(II) adsorption performance in aqueous media. The effects of key operational parameters, including contact time, pH, and initial Pb(II) concentration, were examined to determine the optimal conditions for heavy metal remediation. The composites were characterized using XRD, SEM, FTIR, and TGA to assess their crystalline structure, surface morphology, functional groups, and thermal stability, respectively. Adsorption isotherm analysis indicated that the Pb(II) uptake behavior followed both the Freundlich and Temkin models. Kinetic studies showed that the adsorption process was best described by the pseudo-first-order model. The maximum adsorption capacity for Pb(II) removal was determined to be 13.89 mg/g.

Indexed as

adsorptioncompounderLead Pb(II)microcellular injection moldingoyster shell nano powderpolypropylene

Identifiers

PMID41516893

DOI10.3390/polym18010110

PMCPMC12787550

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