Novel VOPO4/g-C3N4-PMS system for organic pollutant degradation: Assessment of toxicity by Danio rerio

Romiyo Justinabraham; Arulappan Durairaj; Subramanian Ramanathan; John wesley Ramachandran; Dhanasekaran Padmanabhan; S. Annette Jayam; Sharmila Lydia; Asir Obadiah; Subramaniyan Ramasundaram; Xiaomeng Lv; Samuel Vasanthkumar

doi:10.1016/j.jwpe.2021.102422

Novel VOPO₄/g-C₃N₄-PMS system for organic pollutant degradation: Assessment of toxicity by Danio rerio

Romiyo Justinabraham, Arulappan Durairaj, Subramanian Ramanathan, John wesley Ramachandran, Dhanasekaran Padmanabhan, S. Annette Jayam, Sharmila Lydia, Asir Obadiah, Subramaniyan Ramasundaram, Xiaomeng Lv, Samuel Vasanthkumar

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The hydrothermally synthesized Vanadyl phosphate (VP) was doped with graphitic carbon nitride (g-C₃N₄) which has low band gap energy and high nitrogen content to form VP/g-C₃N₄ (VP/GCN) composite. These synthesized materials were aided by PMS activation, and then these materials were evaluated for the photocatalytic degradation of organic Azure B (Az B) dye. The structure and surface morphology of the synthesized materials were examined by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive x-ray spectroscopy (EDS), transmission electron microscopy techniques (TEM), UV− Vis-DRS spectroscopy and Fourier transform-infra red spectroscopy (FT-IR) analysis. The photocatalytic degradation of the organic dye was carried out in a photocatalytic chamber under visible light. The PMS activation enhances the catalytic efficiency of the synthesized material. The degradation efficiency of the PMS activated VP/GCN composite was found to be nearly 93% for Az B dye effluent in a time duration of 120 min. The treated effluent water was investigated for the animal survival to understand its toxic nature. VP/GCN composite catalyst treated dye effluent exhibited better survival for zebra fish (Danio rerio) when compared with the untreated dye effluent which clearly proves the VP/GCN catalyst to be an excellent material for water purification.

Original language	English
Article number	102422
Journal	Journal of Water Process Engineering
Volume	44
DOIs	https://doi.org/10.1016/j.jwpe.2021.102422
State	Published - Dec 2021
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2021 Elsevier Ltd

Funding

The authors thank the management and administration of Karunya Institute of Technology and sciences for their support and help. The authors are thankful to the Dhanajeevam Life Sciences for their support. The authors are grateful to Department of Science and Technology, Govt. of India for their financial support (DST/TDT/WM/2019/73G).

Funders	Funder number
Dhanajeevam Life Sciences
Department of Science and Technology, Ministry of Science and Technology, India	DST/TDT/WM/2019/73G

Keywords

Carbon based material
Dye degradation
Photocatalyst
Survival study

Access to Document

10.1016/j.jwpe.2021.102422

Cite this

Justinabraham, R., Durairaj, A., Ramanathan, S., Ramachandran, J. W., Padmanabhan, D., Jayam, S. A., Lydia, S., Obadiah, A., Ramasundaram, S., Lv, X., & Vasanthkumar, S. (2021). Novel VOPO₄/g-C₃N₄-PMS system for organic pollutant degradation: Assessment of toxicity by Danio rerio. Journal of Water Process Engineering, 44, Article 102422. https://doi.org/10.1016/j.jwpe.2021.102422

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abstract = "The hydrothermally synthesized Vanadyl phosphate (VP) was doped with graphitic carbon nitride (g-C3N4) which has low band gap energy and high nitrogen content to form VP/g-C3N4 (VP/GCN) composite. These synthesized materials were aided by PMS activation, and then these materials were evaluated for the photocatalytic degradation of organic Azure B (Az B) dye. The structure and surface morphology of the synthesized materials were examined by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive x-ray spectroscopy (EDS), transmission electron microscopy techniques (TEM), UV− Vis-DRS spectroscopy and Fourier transform-infra red spectroscopy (FT-IR) analysis. The photocatalytic degradation of the organic dye was carried out in a photocatalytic chamber under visible light. The PMS activation enhances the catalytic efficiency of the synthesized material. The degradation efficiency of the PMS activated VP/GCN composite was found to be nearly 93% for Az B dye effluent in a time duration of 120 min. The treated effluent water was investigated for the animal survival to understand its toxic nature. VP/GCN composite catalyst treated dye effluent exhibited better survival for zebra fish (Danio rerio) when compared with the untreated dye effluent which clearly proves the VP/GCN catalyst to be an excellent material for water purification.",

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