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Article

Banana Peel Extract-Derived ZnO Nanopowder: Transforming Solar Water Purification for Safer Agri-Food Production

by
Dušica Jovanović
1,
Szabolcs Bognár
1,
Vesna Despotović
1,
Nina Finčur
1,
Sandra Jakšić
2,
Predrag Putnik
3,
Cora Deák
4,
Gábor Kozma
4,
Branko Kordić
1 and
Daniela Šojić Merkulov
1,*
1
Department of Chemistry, Biochemistry and Environmental Protection, University of Novi Sad Faculty of Sciences, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
2
Scientific Veterinary Institute “Novi Sad”, Rumenački Put 20, 21000 Novi Sad, Serbia
3
Department of Food Technology, University North, Trg Dr. Žarka Dolinara 1, 48000 Koprivnica, Croatia
4
Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla Square 1, H-6720 Szeged, Hungary
*
Author to whom correspondence should be addressed.
Foods 2024, 13(16), 2643; https://doi.org/10.3390/foods13162643
Submission received: 23 July 2024 / Revised: 13 August 2024 / Accepted: 19 August 2024 / Published: 22 August 2024
(This article belongs to the Special Issue Nanomaterials and Nanotechnology in Food: Applicability, Functionality, and Safety—2nd Edition)
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Abstract

Pure water scarcity is the most significant emerging challenge of the modern society. Various organics such as pesticides (clomazone, quinmerac), pharmaceuticals (ciprofloxacin, 17α-ethynilestradiol), and mycotoxins (deoxynivalenol) can be found in the aquatic environment. The aim of this study was to fabricate ZnO nanomaterial on the basis of banana peel extract (ZnO/BPE) and investigate its efficiency in the photocatalytic degradation of selected organics under various experimental conditions. Newly synthesized ZnO/BPE nanomaterials were fully characterized by the XRD, FTIR, SEM-EPS, XPS, and BET techniques, which confirmed the successful formation of ZnO nanomaterials. The photocatalytic experiments showed that the optimal catalyst loading of ZnO/BPE was 0.5 mg/cm3, while the initial pH did not influence the degradation efficiency. The reusability of the ZnO/BPE nanomaterial was also tested, and minimal activity loss was found after three photocatalytic cycles. The photocatalytic efficiency of pure banana peel extract (BPE) was also studied, and the obtained data showed high removal of ciprofloxacin and 17α-ethynilestradiol. Finally, the influence of water from Danube River was also examined based on the degradation efficiency of selected pollutants. These results showed an enhanced removal of ciprofloxacin in water from the Danube River, while in the case of other pollutants, the treatment was less effective.
Keywords: heterogeneous photocatalytic degradation of organic pollutants; water treatment; green synthesis; eco-friendly synthesis of ZnO nanomaterials; banana peel extract nanoparticles for water purification; Danube River heterogeneous photocatalytic degradation of organic pollutants; water treatment; green synthesis; eco-friendly synthesis of ZnO nanomaterials; banana peel extract nanoparticles for water purification; Danube River
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MDPI and ACS Style

Jovanović, D.; Bognár, S.; Despotović, V.; Finčur, N.; Jakšić, S.; Putnik, P.; Deák, C.; Kozma, G.; Kordić, B.; Šojić Merkulov, D. Banana Peel Extract-Derived ZnO Nanopowder: Transforming Solar Water Purification for Safer Agri-Food Production. Foods 2024, 13, 2643. https://doi.org/10.3390/foods13162643

AMA Style

Jovanović D, Bognár S, Despotović V, Finčur N, Jakšić S, Putnik P, Deák C, Kozma G, Kordić B, Šojić Merkulov D. Banana Peel Extract-Derived ZnO Nanopowder: Transforming Solar Water Purification for Safer Agri-Food Production. Foods. 2024; 13(16):2643. https://doi.org/10.3390/foods13162643

Chicago/Turabian Style

Jovanović, Dušica, Szabolcs Bognár, Vesna Despotović, Nina Finčur, Sandra Jakšić, Predrag Putnik, Cora Deák, Gábor Kozma, Branko Kordić, and Daniela Šojić Merkulov. 2024. "Banana Peel Extract-Derived ZnO Nanopowder: Transforming Solar Water Purification for Safer Agri-Food Production" Foods 13, no. 16: 2643. https://doi.org/10.3390/foods13162643

APA Style

Jovanović, D., Bognár, S., Despotović, V., Finčur, N., Jakšić, S., Putnik, P., Deák, C., Kozma, G., Kordić, B., & Šojić Merkulov, D. (2024). Banana Peel Extract-Derived ZnO Nanopowder: Transforming Solar Water Purification for Safer Agri-Food Production. Foods, 13(16), 2643. https://doi.org/10.3390/foods13162643

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