Evaluation of microcystin-LR photocatalytic degradation in aqueous solutions by BiVO4/NaY-Zeolite nanocomposite: determination of optimum conditions by response surface methodology (RSM)

(2022) Evaluation of microcystin-LR photocatalytic degradation in aqueous solutions by BiVO4/NaY-Zeolite nanocomposite: determination of optimum conditions by response surface methodology (RSM). Toxin Reviews. pp. 564-576. ISSN 15569543 (ISSN)

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Abstract

Microcystin leucine-arginine (MC-LR), is a hepatotoxic agent produced by cyanobacteria, capable of posing a serious threat to the human and ecological environment. In this study, bismuth vanadate (BiVO4)/NaY-Zeolite nanocomposite was intended for degradation of MC-LR in aquatic solutions. The response surface methodology (RSM) was used to optimize the operating variables affecting MC-LR removal. The results showed that the maximum removal efficiency (RE) of MC-LR was 96.26, which achieved in the optimal conditions of pH = 7, contact time of 135 min, and catalyst dose of 0.75 g/L. The findings of this study indicate that BiVO4/NaY-Zeolite could be a promising catalyst for MC-LR degradation. © 2021 Informa UK Limited, trading as Taylor & Francis Group.

Item Type: Article
Keywords: BiVO4/NaY-Zeolite Microcystin-LR photocatalytic degradation RSM visible light bismuth derivative hydroxyl radical microcystin LR nanocomposite vanadic acid zeolite absorption adsorption aqueous solution Article central composite design contact time decomposition dispersion field emission scanning electron microscopy Fourier transform infrared spectroscopy particle size pH photocatalysis photodegradation reaction analysis reaction time response surface method static electricity surface area surface property X ray diffraction
Page Range: pp. 564-576
Journal or Publication Title: Toxin Reviews
Journal Index: Scopus
Volume: 41
Number: 2
Identification Number: https://doi.org/10.1080/15569543.2021.1916951
ISSN: 15569543 (ISSN)
Depositing User: Zahra Otroj
URI: http://eprints.mui.ac.ir/id/eprint/17040

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