Abstract
Photocatalysis is an extraordinary and vastly researched topic; there is a need to find new ways to support producing composite materials that are cost-effective, efficient and have a low environmental impact. The investigation was undertaken on syn TiO2 by depositing it on silica. The results elucidate the positive effect on photocatalysis activity and the macroscopic structure on which the TiO2 is formed. For the analysis of photocatalyst, various characterisation measurements were undertaken, such as XRD, FTIR, DRS, FESEM, TEM, RS, and BET. The accumulated TiO2 onto the surface of SiO2 stabilised its transformation of the phase from anatase to rutile, resulting in decreased particle size and enhancing its photocatalytic activity under UV irradiation. The concentration of OH• radicals was determined using terephthalic acid as a probe molecule to determine its role in the photocatalytic degradation of antihistamine. The results of BET analysis showed that the syn TiO2-SiO2 sample has a large specific surface area of 192.6 m2 g−1. Maximum degradation of cetirizine (about 97%) was achieved with 80% TiO2-20% SiO2 (TS-4). Recyclability test confirmed that 80% TiO2-20% SiO2 sample was stable up to six cycles.
Acknowledgement
Thapar Institute of Engineering and Technology, Patiala is gratefully acknowledged for providing facilities to carry out this work.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare that they have no conflict of interest.
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Supplementary Material
The online version of this article offers supplementary material (https://doi.org/10.1515/ijcre-2021-0136).
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Articles in the same Issue
- Frontmatter
- Articles
- CFD research on the influence of geometry characteristic on flow pattern and the transition mechanism in Rushton turbine stirred vessels
- Insight on micro bubbling mechanism in a 2D fluidized bed with Group D particles
- Parametric optimization of a coiled agitated vessel with TiO2/water nanofluid
- Highly efficient photo-degradation of cetirizine antihistamine with TiO2-SiO2 photocatalyst under ultraviolet irradiation
- DEM study of the angle of repose and porosity distribution of cylindrical particles with different lengths
- Analysis of flow pattern characteristics and strengthening mechanism of co-rotating and counter-rotating mixing with double impellers on different string shafts
- Comprehensive evaluation of the blast furnace status based on data mining and mechanism analysis
- Performance enhancement of commercial ethylene oxide reactor by artificial intelligence approach
- Study of catalytic hydrogenation performance for the Pd/CeO2 catalysts
- Performance of flow distribution in a microchannel parallel flow gas cooler with stepped protrusion depth header