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Efficient removal of dyes using carboxymethyl cellulose/alginate/polyvinyl alcohol/rice husk composite: Adsorption/desorption, kinetics and recycling studies

Bhatti, Haq N., Safa, Yusra, Yakout, Sobhy M., Shair, Omar H., Iqbal, Munawar, Nazir, Arif·2020·International Journal of Biological Macromolecules

Abstract

Rapid industrialization is polluting the water resources and is becoming more and more serious issue. In present study, the adsorption-desorption behavior of Direct Orange-26 (DO-26), Direct Red-31 (DR-31), Direct Blue-67 (DB-67) and Ever direct Orange-3GL (EDO-3) dyes on to native modified rice husk (MRH), polyvinyl alcohol (PVA), carboxymethyl cellulose (CMC) and alginate (ALG) immobilized biomasses were investigated under different experimental conditions. For adsorbent modification, some physical and chemical treatments were performed. The results showed that HCl pre-treated considerably increased the sorption capacity of dyes versus native biomass. The sorption data were epitomized by making use of pseudo 1st order, intra-particle diffusion, pseudo 2nd order and Elovich models. The results revealed that the two-step rate equation was followed for the desorption kinetics of dyes. The involvement of -OH (hydroxyl), -COOH (carboxylic) and -NH2 (amino) groups in the adsorption of dyes onto biomasses was shown by FTIR analysis. Studies exhibited that of all the biomasses employed, the MRH is the excellent potential candidate for the dyes degradation from textile effluents.

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Crossref · 10.1016/j.ijbiomac.2020.02.093

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Metadata

Authors
Bhatti, H. N., Safa, Y., Yakout, S. M., Shair, O. H., Iqbal, M., & Nazir, A.
Venue
International Journal of Biological Macromolecules
Publisher
Elsevier BV
Published
2020-05
Volume
150
Pages
861-870
ISSN
0141-8130 (ISSN-L)
OpenAlex
W3006373271
Cited by
303
References
55
FWCI
16.70
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Efficient removal of dyes using carboxymethyl cellulose/alginate/polyvinyl alcohol/rice husk composite: Adsorption/desorption, kinetics and recycling studies. https://app.cochat.ai/papers/10.1016/j.ijbiomac.2020.02.093
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Bhatti, H. N., Safa, Y., Yakout, S. M., Shair, O. H., Iqbal, M., & Nazir, A. (2020). Efficient removal of dyes using carboxymethyl cellulose/alginate/polyvinyl alcohol/rice husk composite: Adsorption/desorption, kinetics and recycling studies. International Journal of Biological Macromolecules. https://doi.org/10.1016/j.ijbiomac.2020.02.093

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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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