Visible light activated TiO2/microcrystalline cellulose nanocatalyst to destroy organic contaminants in water
Open accessAbstract
Hybrid TiO(2)/microcrystalline cellulose (MC) nanophotocatalyst was prepared in situ by a facile and simple synthesis utilizing benign precursors such as MC and TiCl(4). The as-prepared nanocomposite was characterized by XRD, XPS, BET surface area analyzer, UV-vis DRS and TGA. Surface morphology was assessed by the means of SEM and HR-TEM. Statistics-based factorial design (FD) was adopted to investigate the effect of precursors concentrations and therefore to optimize the nanocomposite synthesis through catalytic adsorption of methylene blue (MB) from aqueous solutions. The results indicated that TiO(2)/MC nanocomposites were photocatalytically active in diminishing 40-90% of MB in 4h.
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The TiO2/MC nanocomposite benefits from synergistic physical and/or chemical interactions between organic and inorganic components and could be utilized as a photocatalyst to degrade hazardous contaminants and in the synthesis of transition-metal carbide materials.
“The TiO 2 /MC nanocomposite benefits from the synergistic effect of the physical and/or chemical interactions between the organic and inorganic components and therefore could be utilized as a photocatalyst to degrade hazardous contaminants via the formation of films that have good mechanical and UV-shielding properties and in the synthesis of transition-metal carbide materials.50”
From Sustainable hybrid photocatalysts: titania immobilized on carbon materials derived from renewable and biodegradable resources (2016) · cites this paper as [50]
The photo-bleaching of methylene blue by TiO2/MC obeyed first-order reaction kinetics with a rate constant of 5.02 × 10-3 min-1.
“this obeyed first-order reaction kinetics with reaction constants of 5.02 × 10 -3 min -1 .”
From Sustainable hybrid photocatalysts: titania immobilized on carbon materials derived from renewable and biodegradable resources (2016) · cites this paper as [50]
Visible-light-activated TiO2/microcrystalline cellulose (MC) nanocatalyst degraded nearly 90% of methylene blue in 4 h under 1:4 Ti4+/MC synthesis conditions.
“Previous research 50 has shown that the visible light activated TiO 2 /microcrystalline cellulose (MC) nanocatalyst was photocatalytically active in degrading nearly 90% of methylene blue (MB) in 4 h (1 : 4 Ti 4+ / MC synthesis conditions).”
From Sustainable hybrid photocatalysts: titania immobilized on carbon materials derived from renewable and biodegradable resources (2016) · cites this paper as [50]
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- Authors
- Virkutyte, J., Jegatheesan, V., & Varma, R. S.
- Affiliations
- Deakin University (AU)
- Environmental Protection Agency (US)
- Corresponding author
- Varma, Rajender S.
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2012-06
- Volume
- 113
- Pages
- 288-293
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2094336796
- Cited by
- 62
- References
- 34
- Citations by year
- 2026: 1 · 2024: 3 · 2023: 7 · 2022: 9 · 2021: 7 · 2020: 3 · 2019: 7 · 2018: 4 · 2017: 6 · 2016: 4 · 2015: 4 · 2014: 4 · 2013: 3
- FWCI
- 0.93
- Type
- journal article
- Language
- en
- Open access
- green
- figshare.com
- Licence
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- RMIT Research Repository (RMIT University Library) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- Funders
- U.S. Environmental Protection Agency
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
- Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
- Keywords
- visible light photocatalysis, methylene blue degradation, in situ synthesis, TiCl4 precursor, factorial design optimization, adsorption, water treatment
- MeSH terms
- Catalysis, Cellulose, Kinetics, Light, Microscopy, Electron, Scanning, Organic Chemicals, Spectrophotometry, Ultraviolet, Thermogravimetry, Titanium, Water Pollutants, Chemical, X-Ray Diffraction, Microscopy, Electron, Transmission, Nanostructures
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