The Greener Side of Polyoxometalate: As an Efficient Photocatalyst for Degradation of Phenol from Contaminated Water Source

Arabinda Mandal; Rajarshi Chatterjee

doi:10.36948/ijfmr.2022.v04i05.998

The Greener Side of Polyoxometalate: As an Efficient Photocatalyst for Degradation of Phenol from Contaminated Water Source

Author(s)	Arabinda Mandal, Rajarshi Chatterjee
Country	India
Abstract	The increasing amount of hazardous micro-pollutants in the aqueous environment has recently become a concern, especially because they are not usually included in environmental monitoring programs. Phenolic compounds, the most common toxic environmental pollutants, discharged as waste water from many industries are required to be removed. Usually phenolic wastes are treated by physicochemical methods like adsorption, reverse osmosis, electrolytic oxidation, and bioremediation. These methods are impractical due to high costs and the production of other toxic end products, e.g. conversion of phenol into chlorophenol when chlorination is used. Among various techniques available for removing phenol, biological treatment has been proved to be very effective. Again biological degradation usually takes longer time. Investigation of alternative economically viable pathways is the prime objective of our research work. Here we have examined the photocatalytic degradation of phenol from laboratory samples and petrochemical industries waste water under UV radiation by using nanoparticles of titanium dioxide embedded in polyoxometalates (POM). In this article, Lacunary Keggin heteropolyoxometalate H4[PVMo11O40] supported on TiO2 nanoparticles was prepared by the solvothermal method. Characteristics of nano particles studded Keggin structure in the nano composites were confirmed by FT-IR and XRD analyses. The detailed information of POM-decorated nanoparticles is obtained by the combined use of scanning and transmission electron microscopy (SEM &TEM) along with thermo gravimetric analysis (TGA). The photocatalytic activity of prepared H4 [PVMo11O40] / TiO2 for degradation of phenol under UV light was investigated using H2O2 as an oxidant. The results indicated that synthesized nano photocatalyst could be considered as an effective economic tool in the removal of organic pollutants from aqueous solutions in future.
Keywords	Photochemical degradation, Phenolic wastes, POM motivated nano particles
Field	Chemistry
Published In	Volume 4, Issue 5, September-October 2022
Published On	2022-09-21
Cite This	The Greener Side of Polyoxometalate: As an Efficient Photocatalyst for Degradation of Phenol from Contaminated Water Source - Arabinda Mandal, Rajarshi Chatterjee - IJFMR Volume 4, Issue 5, September-October 2022. DOI 10.36948/ijfmr.2022.v04i05.998
DOI	https://doi.org/10.36948/ijfmr.2022.v04i05.998
Short DOI	https://doi.org/gq7sjs

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The Greener Side of Polyoxometalate: As an Efficient Photocatalyst for Degradation of Phenol from Contaminated Water Source

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