The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Thiol-functionalized cellulose nanofiber membranes for the effective adsorption of heavy metal ions in water
Abstract
This work reports the fabrication of a thiol-functionalized cellulose nanofiber membrane that can effectively adsorb heavy metal ions. Thiol was incorporated onto the surface of cellulose nanofibers, which were fabricated by the deacetylation of electrospun cellulose acetate nanofibers and subsequent esterification of a thiol precursor molecule. Adsorption mechanism was investigated using adsorption isotherms. Adsorption capacity as a function of adsorbate concentration was described well with Langmuir isotherm, suggesting that metal ions form a surface monolayer with a homogenously distributed adsorption energy. Maximum adsorption capacities in the Langmuir isotherm for Cu(II), Cd(II), and Pb(II) ions were 49.0, 45.9, and 22.0 mg·g-1, respectively. The time-dependent adsorption capacities followed a pseudo-second-order kinetic model, suggesting that chemisorption of each doubly charged metal ion occurs with two thiol groups on the surface. These results highlight the significance of surface functionality on biocompatible, nontoxic, and sustainable cellulose materials to expand their potential and applicability towards water remediation applications.
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Cites
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Cited by
Hama Aziz, K. H., Mustafa, F. S., Omer, K. M., Hama, S., Hamarawf, R. F., & Rahman, K. O. (2023) · RSC Advances · doi:10.1039/d3ra00723e · Cited by 982
Cellulose: A Review of Water Interactions, Applications in Composites, and Water Treatment
Etale, A., Onyianta, A. J., Turner, S. R., & Eichhorn, S. J. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.2c00477 · Cited by 817
Abidli, A., Huang, Y., Ben Rejeb, Z., Zaoui, A., & Park, C. B. (2022) · Chemosphere · doi:10.1016/j.chemosphere.2021.133102 · Cited by 194
R., J., Gurunathan, B., K, S., Varjani, S., Ngo, H. H., & Gnansounou, E. (2022) · Environmental Research · doi:10.1016/j.envres.2021.111815 · Cited by 163
Metadata
- Authors
- Choi, H. Y., Bae, J. H., Hasegawa, Y., An, S., Kim, I. S., Lee, H., & Kim, M.
- Venue
- Carbohydrate Polymers
- Publisher
- Elsevier BV
- Published
- 2020-04
- Volume
- 234
- Pages
- 115881
- ISSN
- 0144-8617 (ISSN-L)
- OpenAlex
- W2999400784
- Cited by
- 293
- References
- 32
- FWCI
- 13.25
- Type
- journal article
- Language
- en
- Open access
- closed
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- Choi, H. Y., Bae, J. H., Hasegawa, Y., An, S., Kim, I. S., Lee, H., & Kim, M. (2020). Thiol-functionalized cellulose nanofiber membranes for the effective adsorption of heavy metal ions in water. Carbohydrate Polymers. https://doi.org/10.1016/j.carbpol.2020.115881
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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