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Vol. 36 No. 2 (2024): Vol 36 Issue 2, 2024

Copyright (c) 2024 J. Gangwar, K. S. Joseph

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Photocatalytic Degradation of Toxic Textile Dyes by Biosynthesized Silver Nanoparticles Synthesized from Strobilanthes hamiltoniana Leaf Extract

https://doi.org/10.14233/ajchem.2024.31064
J. Gangwar
Department of Life Sciences, Christ University, Bangalore-560029, India
https://orcid.org/0000-0001-7038-8547
K.S. Joseph
Department of Life Sciences, Christ University, Bangalore-560029, India
https://orcid.org/0000-0003-4384-2462

Corresponding Author(s) : K.S. Joseph

joseph.ks@christuniversity.in

Asian Journal of Chemistry, Vol. 36 No. 2 (2024): Vol 36 Issue 2, 2024

Abstract

Biocompatible nanoparticle synthesis from Strobilanthes hamiltoniana leaf extracts is an ecologically friendly, cost-effective and long-lasting technique for wastewater treatment, particularly for textile dye degradation. S. hamiltoniana mediated silver nanoparticles (SH-Ag NPs) showed a maximum absorbance of 432 nm. Based on the FESEM analysis, the SH-Ag NPs were usually spherical with an average diameter of nm. The FTIR analyses revealed the significance of functional groups in the formation of SH-Ag NPs. Degradation and rate of degradation for textile dyes after 320 min, SH-Ag NPs displayed 88.4%, 79.49%, 0.0059 min-1 and 0.00495 min-1 for reactive blue 220 (RB-220) and reactive blue 222A (RB-222A) dyes. The phytotoxicity study of SH-Ag NPs treated dye solutions demonstrated a significant decrease in inhibitory efficiency when compared to dye effluents. The biosynthesized SH-Ag NPs could represent a viable catalyst alternative for treating textile dye degradation both before and after it enters aquatic environments.

Keywords

Photocatalytic degradation Reactive blue dyes Silver nanoparticles Water pollution Phytotoxicity
Gangwar, J., & Joseph, K. (2024). Photocatalytic Degradation of Toxic Textile Dyes by Biosynthesized Silver Nanoparticles Synthesized from Strobilanthes hamiltoniana Leaf Extract. Asian Journal of Chemistry, 36(2), 498–504. https://doi.org/10.14233/ajchem.2024.31064
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