DOI: https://doi.org/10.9767/bcrec.20726

Green Synthesis of Silver Nanoparticles Using Soursop Leaf Extract for Photocatalytic Degradation of Textile Wastewater

1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Udayana, Jl. Raya Kampus UNUD, Bali, 80361, Indonesia

2Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Udayana, Jl. Raya Kampus UNUD, Bali, 80361, Indonesia

3Department of Environmental Science, Postgraduate Building, Universitas Udayana, Jl. P.B. Sudirman, Denpasar, Bali, 80114, Indonesia

Received: 8 May 2026; Revised: 4 Jul 2026; Accepted: 4 Jul 2026; Available online: 13 Jul 2026; Published: 30 Oct 2026.
Editor(s): Istadi Istadi
Open Access Copyright (c) 2026 by Authors, Published by BCREC Publishing Group
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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Abstract

This study aimed to synthesize silver nanoparticles (AgNPs) as a photocatalyst and evaluate their performance for textile wastewater photodegradation since previous studies have mainly focused on photocatalytic degradation of model dye compounds, whereas studies using actual textile wastewater remain limited. The synthesis was achieved by extracting soursop leaves and mixing them with AgNO₃ and heating the mixture. After photodegradation reaction condition optimization, the optimum conditions were found at pH of 13, 15 minutes of irradiation time, and a volume of 0.5 mL of AgNPs. Under these conditions, a degradation percentage of 34.37-37.76% was achieved, with a reduction in BOD levels of 5.54-11.08% and COD levels of 8.66-12.22%. These results indicate the potential of AgNPs for textile wastewater treatment, although pretreatment may be required to improve degradation performance. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

Keywords: Dyes; Photocatalytic; Photodegradation; Silver nanoparticles; Soursop leaf extract; Textile wastewater
Funding: Universitas Udayana under contract B/324.98/UN14.4.A/PT.01.03/2026

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Section: Original Research Articles
Language : EN
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