Deposition of vanadium-doped black TiO2 nanoparticles on glass beads to enable the degradation of methylene blue under visible light
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Harish Phattepur
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Sanjeev Kumar Chaurasia
Abstract
Vanadium-doped black TiO2 nanoparticles were synthesized by modified sol-gel method. The characterisation of vanadium doped black TiO2 nanoparticles was carried out using DRS, XRD, and SEM with EDX analysis to determine band gap energy, crystal structure, surface morphology and elemental composition. The nanoparticles were coated on pre cleaned glass beads by dip coating technique. Methylene blue was employed as a model dye to determine the photo-catalytic efficiency of vanadium doped black TiO2 nanoparticles. The photo-catalytic degradation of aqueous methylene blue dye was performed in packed re-circulated photo reactor. The band gap energy of 4 wt% vanadium doped black TiO2 nanoparticles was found to be 2.04 eV, the least among the synthesised nanoparticles. Various degradation process parameters like flow rate, initial concentration of dye and volume of dye were also determined. About 98 % methylene blue dye photo-catalytic degradation was achieved under visible lamp (300 W) illumination for 4.0 wt% vanadium doped black TiO2 photo-catalyst under optimum conditions.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission. Harish: Synthesis of nanoparticles. Sanjeev: Characterisation. Abhilasha: degradation of methylene blue in photorecator.
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Use of Large Language Models, AI and Machine Learning Tools: Not applicable.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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Articles in the same Issue
- Frontmatter
- Review
- A critical review on pyrolysis and integration strategies for medical plastic waste
- Articles
- Enhancing batch reactor temperature control: a hybrid PID-MPC approach for magnesium stearate production from palm stearin
- A novel naphthalene-pyridine Schiff base sensor for highly selective colorimetric detection of Fe2+, Fe3+, and Cu2+ ions
- Deposition of vanadium-doped black TiO2 nanoparticles on glass beads to enable the degradation of methylene blue under visible light
- Enhanced photo-fenton-like degradation of Orange II using iron-rich natural clay and oxalic acid under UVA-Vis irradiation
- Treatment of slaughterhouse wastewater using waste derived biochar: experiment and modelling
- Chemical kinetic analysis of H2–NH3 addition on premixed natural gas flame at elevated pressures
- The nonideal mixing effect on the selectivity dynamic of consecutive-parallel reactions in an isothermal continuous stirred tank reactor based on Cholette’s model
- Investigating the effectiveness of UV, PAC, UV H2O2 and UV Na2S2O8 processes in removing malachite green (MG) dye from aquatic environments
