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Modification of cellulose filter paper with bimetal nanoparticles for catalytic reduction of nitroaromatics in water

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Abstract

In this research work, we present a synthesis of silver and cobalt bimetal nanoparticles stabilized by a carboxymethyl cellulose biopolymer (CMC-AgCo) and its coating on a cellulose filter paper (CFP) to prepare the dip-catalyst. All the prepared samples were subjected to characterization by scanning electron microscopy for surface morphology, EDX, XRD and thermogravimetric analysis. The catalytic properties of the CFP/CMC-AgCo as dip-catalysts were evaluated in the reduction of organic nitroaromatic pollutants of 2,6-dinitrophenol to 2,6-diaminophenol as well as the 4-nitrophenol to 4-aminophenol. It was found that the reduction reaction advanced with the pseudo-first-order kinetics. The CFP/CMC-AgCo catalyzed the 2,6-diaminophenol and 4-nitrophenol with a reaction rate constant of 0.1244 and 0.177 min− 1, respectively. The separation of the CFP/CMC-AgCo was easy as it required a simple pulling of the strip from the reaction medium. Importantly, the catalytic reaction rates and conversion percentages of the two nitroaromatics were well-maintained for multiple times during recycling experiments.

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Acknowledgments

This research was supported by Institutional Fund Projects under grant no. (IFPHI-368-130-2020). Therefore, the authors gratefully acknowledge technical and financial support from the Ministry of Education and King Abdulaziz University, DSR, Jeddah, Saudi Arabia.

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Correspondence to Tahseen Kamal.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The manuscript was approved by all authors for publication.

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Kamal, T., Khan, S.B., Bakhsh, E.M. et al. Modification of cellulose filter paper with bimetal nanoparticles for catalytic reduction of nitroaromatics in water. Cellulose 28, 11067–11080 (2021). https://doi.org/10.1007/s10570-021-04186-x

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  • DOI: https://doi.org/10.1007/s10570-021-04186-x

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