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Cellulose-based beads for the adsorptive removal of wastewater effluents: a review

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Abstract

Wastewater pollution is a major issue requiring advanced treatment methods such as nanotechnologies. In particular, nanocelluloses appear promising as adsorbents due to their elevated surface area, which can be functionalized. Here we review cellulose-based beads with focus on preparation, properties, kinetics, adsorption isotherm modeling and application for wastewater treatment, especially for the removal of metal ions and dyes. Preparation of cellulose-based beads is mainly done by the ionotropic gelation method. High adsorption capacities up to 568.62 mg g−1 for heavy metal ions and 1550.55 mg g−1 for dyes have been reported. We also discuss the regeneration capability of cellulose-based beads.

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Acknowledgements

The authors acknowledge Universiti Sains Malaysia for the financial support through the Research University Incentive, RUI grant (1001/PKIMIA/8011077) and USM External Grant No. (304/PKIMIA/6501094/I129). Authors would also wish to recognize anonymous reviewers for their constructive comments, which aided to enhance the quality of this work considerably.

Funding

Universiti Sains Malaysia, RUI Grant No. (1001/PKIMIA/8011077) and External Grant No. (304/PKIMIA/6501094/I129).

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TSH designed the review, interpreted and wrote the original draft including drawing the figures and tables of the manuscript. RA contributed to the original draft and provided technical advice and support. MKMH contributed to the revision of the draft. MHH contributed to revision of the draft, review, proofread and supervision. All authors read and approved the final manuscript.

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Correspondence to M. Hazwan Hussin.

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The authors declare that there is no conflict of interest. The authors have no affiliation with any organization with a direct or indirect financial interest in the subject matter discussed in the manuscript.

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This article does not contain any studies with animals performed by any of the authors.

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On behalf of authors, Assoc. Prof. M. Hazwan Hussin has been given authorization to submit and correspond.

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Hamidon, T.S., Adnan, R., Haafiz, M.K.M. et al. Cellulose-based beads for the adsorptive removal of wastewater effluents: a review. Environ Chem Lett 20, 1965–2017 (2022). https://doi.org/10.1007/s10311-022-01401-4

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  • DOI: https://doi.org/10.1007/s10311-022-01401-4

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