The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.
Efficient removal of Pb(II), Cr(VI) and organic dyes by polydopamine modified chitosan aerogels
Abstract
Chitosan is highly suitable for removing metal ions and dyes from water; however, the sorption performance, stability and recycling are still critical issues in practical applications. Herein, polydopamine-modified-chitosan (CS-PDA) aerogels were synthesized through dopamine self-polymerization and glutaraldehyde cross-linking reactions to enhance the adsorption capacity and acid resistance of chitosan. The self-polymerization of dopamine and gelation of chitosan were accomplished simultaneously, simplifying the synthesis process of CS-PDA aerogels, which is meaningful for the popularization and industrial application of adsorbent. CS-PDA exhibited superior adsorption performances in the removal of Cr(VI), Pb(II) and organic dyes. Adsorption isotherms and kinetic data were well fitted by Langmuir and pseudo-second-order kinetic models. The maximum adsorption capacities of CS-PDA for Cr(VI) and Pb(II) were 374.4 and 441.2 mg g-1, respectively. After eight cycles, adsorption capacity of CS-PDA showed no obvious decline. These superiorities make CS-PDA a promising multifunctional adsorbent for the purification of metal ions and dyes.
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Recent advances in heavy metal removal by chitosan based adsorbents
Upadhyay, U., Sreedhar, I., Singh, S. A., Patel, C. M., & Anitha, K. L. (2021) · Carbohydrate Polymers · doi:10.1016/j.carbpol.2020.117000 · Cited by 532
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Metadata
- Authors
- Guo, D.-M., An, Q.-D., Xiao, Z.-Y., Zhai, S.-R., & Yang, D.-J.
- Venue
- Carbohydrate Polymers
- Publisher
- Elsevier BV
- Published
- 2018-12
- Volume
- 202
- Pages
- 306-314
- ISSN
- 0144-8617 (ISSN-L)
- OpenAlex
- W2890434718
- Cited by
- 293
- References
- 37
- FWCI
- 11.35
- Type
- journal article
- Language
- en
- Open access
- closed
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- Guo, D.-M., An, Q.-D., Xiao, Z.-Y., Zhai, S.-R., & Yang, D.-J. (2018). Efficient removal of Pb(II), Cr(VI) and organic dyes by polydopamine modified chitosan aerogels. Carbohydrate Polymers. https://doi.org/10.1016/j.carbpol.2018.08.140
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