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Published in: Biomass Conversion and Biorefinery 5/2024

31-05-2022 | Original Article

Sustainable synthesis of emerging bio-based magnetite nanoparticles for efficient removal of Cr(VI) from groundwater

Authors: Aparna Prabha Devi, Pravat Manjari Mishra, Jayanta Kumar Pothal, Boopathy Ramasamy, Nilotpala Pradhan

Published in: Biomass Conversion and Biorefinery | Issue 5/2024

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Abstract

A facile, one-pot, rapid and cost-effective green synthesis approach is adopted for synthesis of spherical magnetite nanoparticles (Fe3O4) using Averrhoa carambola leaf extract for removal of Cr(VI). The polar biomolecules of leaf extract act as non-toxic surfactants and as reducing as well as stabilizing agents. The morphological, structural and optical properties of bio-based magnetite nanoparticles were characterized by FESEM, XRD, FT-IR, UV–VIS DRS and Raman analysis. The batch biosorption of Cr(VI) was investigated at different experimental limits such as contact time, temperature, pH, adsorbent dose and metal concentration. The experimental data was well fitted to Langmuir adsorption isotherm and found to follow linear pseudo-second-order kinetics. The maximum biosorption efficiency of bio-based magnetite nanoparticles was recorded 99.34% and can be reused proficiently upto 7 cycles. The mechanism for role of biomolecules in synthesis of nanoparticles along with the mechanism for biosorption of Cr(VI) over bio-based magnetite nanoparticles were discussed. The bio-based magnetite nanoparticles can be effectively used for removal of Cr(VI) from groundwater in contaminated areas.

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Literature
10.
go back to reference Devi AP, Swain N, Devi NB. (2014) J Chem Pharm Res 6(4):1047–1052 Devi AP, Swain N, Devi NB. (2014) J Chem Pharm Res 6(4):1047–1052
Metadata
Title
Sustainable synthesis of emerging bio-based magnetite nanoparticles for efficient removal of Cr(VI) from groundwater
Authors
Aparna Prabha Devi
Pravat Manjari Mishra
Jayanta Kumar Pothal
Boopathy Ramasamy
Nilotpala Pradhan
Publication date
31-05-2022
Publisher
Springer Berlin Heidelberg
Published in
Biomass Conversion and Biorefinery / Issue 5/2024
Print ISSN: 2190-6815
Electronic ISSN: 2190-6823
DOI
https://doi.org/10.1007/s13399-022-02863-w

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