Sustainable waste-derived cellulose-based nanosensor for cobalt ion detection, removal, and recovery from industrial effluents and battery wastes

Fifth Author's Department

Computer Science & Engineering Department

Find in your Library

https://doi.org/10.1016/j.jwpe.2025.106974

All Authors

Ibrahim S.S. Alatawi Renad Almughathawi Marwah M.M. Madkhali Nadiyah M. Alshammari Mohamed Hosni Omaymah Alaysuy Amal T. Mogharbel Nashwa M. El-Metwaly

Document Type

Research Article

Publication Title

Journal of Water Process Engineering

Publication Date

2-1-2025

doi

10.1016/j.jwpe.2025.106974

Abstract

This study introduces an eco-friendly approach to detect and remove Co(II) ions from electroplating effluents and lithium-ion battery wastes using a cobalt nanosensor (CNS). A repurposed cellulose template which was recovered from wastepaper (CNFsWP) was decorated with 1-(2-hydroxy-1-naphthylazo)-2-naphthol-4-sulfonic acid (HNNSA) ligand molecule, resulting in a highly sensitive and selective CNS. Through rigorous optimization, the CNS's performance is maximized by considering factors like pH, sensor amount, reaction time, probe concentration and temperature. Advanced characterization techniques, including XRD, SEM, TEM, and nitrogen adsorption, confirm the porous structure of the cellulose carrier, crucial for efficient cobalt ion capture. DFT calculations further explain the molecular interactions between the cellulose and Co(II), validating the selective binding mechanism. The fabricated CNS demonstrates an exceptionally low detection limit for Co(II) down to 1.13 × 10−7 M, making it a talented candidate for practical applications in electroplating wastewater treatment. This sustainable solution offers a significant step towards mitigating heavy metal contamination and promoting environmental sustainability.

Link to Full Text
Find this item online

Share

COinS