The DOI matches its Crossref record; 115 of the 115 references it cites were found in a registry or an index.
Adsorption of pollutants in wastewater via biosorbents, nanoparticles and magnetic biosorbents: A review
Abstract
Adsorption has gained much attention as one of the efficient approaches to remediate the contaminants in wastewater. Herein, this critical review focuses on the preparation, modification, application and regeneration of the biosorbents, nanoparticles and magnetic biosorbents for the wastewater treatment in recent 5 years (2017-2021). Among these materials, the development of magnetic biosorbents is attractive owing to their variable active sites, high specific surface area, easy separation and low cost. To improve the adsorption performance of biosorbents, the chemical activations such as acid, alkali and salt activations of biosorbents are discussed. In general, the oxidation reaction in acid, alkali and salt activations increase the porosity of biosorbents. The surface characteristics and surface chemistry of the biosorbents and magnetic biosorbents such as electrostatic interaction, π-π interaction and hydrogen bonding are highlighted. Ionic compounds are separated through ion exchange, surface charge and electrostatic interactions while the organic pollutants are removed via hydrophobicity, π-π interactions and hydrogen bonding. The effect of solution pH, adsorbent dosage, initial concentration of pollutants, adsorption duration and temperature on the adsorption capacity and removal efficiency are discussed. Generally, an increase in adsorbent dosage resulted in a decrease in adsorption capacity due to the excessive active sites. On the other hand, a higher initial concentration or an increase in contact time of adsorbent increased the driving force, subsequently enhancing the adsorption capacity. Finally, this review will be concluded with a summary, challenges and future outlook of magnetic biosorbents. It is anticipated that this review will provide insights into engineering advanced and suitable materials to achieve cost-effective and scalable adsorbents for practical and sustainable environmental remediation.
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1 retracted
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Reassessing the projections of the World Water Development Report
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Cited by
Akhtar, M., Sarfraz, M., Ahmad, M., Raza, N., & Zhang, L. (2025) · Desalination and Water Treatment · doi:10.1016/j.dwt.2024.100914 · Cited by 94
El-Sheekh, M. M., El-Kassas, H. Y., & Ali, S. S. (2025) · Microbial Cell Factories · doi:10.1186/s12934-024-02638-0 · Cited by 86
Metadata
- Authors
- Tee, G. T., Gok, X. Y., & Yong, W. F.
- Venue
- Environmental Research
- Publisher
- Elsevier BV
- Published
- 2022-09
- Volume
- 212
- Issue
- Pt B
- Pages
- 113248
- ISSN
- 0013-9351 (ISSN-L)
- OpenAlex
- W4223611566
- Cited by
- 346
- References
- 115
- FWCI
- 20.10
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tee, G. T., Gok, X. Y., & Yong, W. F. (2022). Adsorption of pollutants in wastewater via biosorbents, nanoparticles and magnetic biosorbents: A review. Environmental Research. https://doi.org/10.1016/j.envres.2022.113248
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
