Utilization of Catla catla Fish Scale for Eliminating Cr (III) and Co (II) Heavy Metals From Wastewater

ABSTRACT This comprehensive research focuses on the prospective use of Catla catla fish scales as a bioadsorbent for removing heavy metals, particularly Cr (III) and Co (II), from wastewater and determining which metal ion is more likely to be removed efficiently. The study incorporates a rigorous m...

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Main Authors: Samiha Sultana, Nafisa Maliat, Fahim Khan, Ankur Paul, Rukaiya Tasnim, Nusrat Jahan
Format: Article
Language:English
Published: Wiley-VCH 2025-08-01
Series:Nano Select
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Online Access:https://doi.org/10.1002/nano.202400164
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author Samiha Sultana
Nafisa Maliat
Fahim Khan
Ankur Paul
Rukaiya Tasnim
Nusrat Jahan
author_facet Samiha Sultana
Nafisa Maliat
Fahim Khan
Ankur Paul
Rukaiya Tasnim
Nusrat Jahan
author_sort Samiha Sultana
collection DOAJ
description ABSTRACT This comprehensive research focuses on the prospective use of Catla catla fish scales as a bioadsorbent for removing heavy metals, particularly Cr (III) and Co (II), from wastewater and determining which metal ion is more likely to be removed efficiently. The study incorporates a rigorous methodology, wherein fish scales were obtained, cleaned, and prepared, including both acid‐treated and untreated variants. A range of salt solutions with varying concentrations of metal ions are utilized to evaluate adsorption efficiency, and the impact of factors like initial metal ion concentration, chemical treatment of adsorbent, and contact time are systematically examined using UV‐Vis spectrophotometry. It was found that the starting concentration of metal ions influenced the adsorption efficiency, with higher concentrations leading to a reduced adsorption capacity. The contact time also affected the adsorption efficiency, with longer durations resulting in increased metal removal until reaching equilibrium. Acid‐treated fish scales showed superior adsorption performance compared to the untreated ones. Characterization of the adsorbent is performed using advanced analytical techniques, including Fourier‐transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and energy dispersive X‐ray spectroscopy (EDS), revealing changes in structural and chemical properties post‐metal adsorption. The adsorption equilibrium data are mapped to the Langmuir and Freundlich isotherm models, with Langmuir being more suitable for cobalt adsorption and Freundlich for chromium adsorption. This research highlights the economical and long‐term potential of Catla catla fish scales as a natural biosorbent, thereby significantly contributing to the domains of water purification and heavy metal pollution extenuation.
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institution Kabale University
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spelling doaj-art-949e8c2fa3ff47d59afe7b5b7a3194fc2025-08-22T14:42:00ZengWiley-VCHNano Select2688-40112025-08-0168n/an/a10.1002/nano.202400164Utilization of Catla catla Fish Scale for Eliminating Cr (III) and Co (II) Heavy Metals From WastewaterSamiha Sultana0Nafisa Maliat1Fahim Khan2Ankur Paul3Rukaiya Tasnim4Nusrat Jahan5Department of Dyes and Chemical Engineering Bangladesh University of Textiles Dhaka BangladeshDepartment of Dyes and Chemical Engineering Bangladesh University of Textiles Dhaka BangladeshDepartment of Dyes and Chemical Engineering Bangladesh University of Textiles Dhaka BangladeshDepartment of Dyes and Chemical Engineering Bangladesh University of Textiles Dhaka BangladeshDepartment of Dyes and Chemical Engineering Bangladesh University of Textiles Dhaka BangladeshDepartment of Dyes and Chemical Engineering Bangladesh University of Textiles Dhaka BangladeshABSTRACT This comprehensive research focuses on the prospective use of Catla catla fish scales as a bioadsorbent for removing heavy metals, particularly Cr (III) and Co (II), from wastewater and determining which metal ion is more likely to be removed efficiently. The study incorporates a rigorous methodology, wherein fish scales were obtained, cleaned, and prepared, including both acid‐treated and untreated variants. A range of salt solutions with varying concentrations of metal ions are utilized to evaluate adsorption efficiency, and the impact of factors like initial metal ion concentration, chemical treatment of adsorbent, and contact time are systematically examined using UV‐Vis spectrophotometry. It was found that the starting concentration of metal ions influenced the adsorption efficiency, with higher concentrations leading to a reduced adsorption capacity. The contact time also affected the adsorption efficiency, with longer durations resulting in increased metal removal until reaching equilibrium. Acid‐treated fish scales showed superior adsorption performance compared to the untreated ones. Characterization of the adsorbent is performed using advanced analytical techniques, including Fourier‐transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and energy dispersive X‐ray spectroscopy (EDS), revealing changes in structural and chemical properties post‐metal adsorption. The adsorption equilibrium data are mapped to the Langmuir and Freundlich isotherm models, with Langmuir being more suitable for cobalt adsorption and Freundlich for chromium adsorption. This research highlights the economical and long‐term potential of Catla catla fish scales as a natural biosorbent, thereby significantly contributing to the domains of water purification and heavy metal pollution extenuation.https://doi.org/10.1002/nano.202400164bioadsorbentchromiumcobaltheavy metalwastewater treatment
spellingShingle Samiha Sultana
Nafisa Maliat
Fahim Khan
Ankur Paul
Rukaiya Tasnim
Nusrat Jahan
Utilization of Catla catla Fish Scale for Eliminating Cr (III) and Co (II) Heavy Metals From Wastewater
Nano Select
bioadsorbent
chromium
cobalt
heavy metal
wastewater treatment
title Utilization of Catla catla Fish Scale for Eliminating Cr (III) and Co (II) Heavy Metals From Wastewater
title_full Utilization of Catla catla Fish Scale for Eliminating Cr (III) and Co (II) Heavy Metals From Wastewater
title_fullStr Utilization of Catla catla Fish Scale for Eliminating Cr (III) and Co (II) Heavy Metals From Wastewater
title_full_unstemmed Utilization of Catla catla Fish Scale for Eliminating Cr (III) and Co (II) Heavy Metals From Wastewater
title_short Utilization of Catla catla Fish Scale for Eliminating Cr (III) and Co (II) Heavy Metals From Wastewater
title_sort utilization of catla catla fish scale for eliminating cr iii and co ii heavy metals from wastewater
topic bioadsorbent
chromium
cobalt
heavy metal
wastewater treatment
url https://doi.org/10.1002/nano.202400164
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AT fahimkhan utilizationofcatlacatlafishscaleforeliminatingcriiiandcoiiheavymetalsfromwastewater
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