The DOI matches its Crossref record; 13 of the 14 references it cites were found in a registry or an index.
Microwave photocatalytic degradation of Rhodamine B using TiO2 supported on activated carbon: Mechanism implication
Abstract
The photocatalytic degradation of Rhodamine B (RhB) was carried out using TiO2 supported on activated carbon (TiO2-AC) under microwave irradiation. Composite catalyst TiO2-AC was prepared and characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM) and Brunauer-Emmett-Teller (BET). In the process of microwave-enhanced photocatalysis (MPC), RhB (30 mg/L) was almost completely decoloured in 10 min, and the mineralization efficiency was 96.0% in 20 min. The reaction rate constant of RhB in MPC using TiO2-AC by pseudo first-order reaction kinetics was 4.16 times of that using Degussa P25. Additionally, according to gas chromatography/mass spectrometry (GC/MS) and liquid chromatography/mass spectrometry (LC/MS) identification, the major intermediates of RhB in MPC included two kinds of N-de-ethylation intermediates (N,N-diethyl-N'-ethyl-rhodamine (DER)), oxalic acid, malonic acid, succinic acid, and phthalic acid, maleic acid, 3-nitrobenzoic acid, and so on. The degradation of RhB in MPC was mainly attributed to the destruction of the conjugated structure, and then the intermediates transformed to acid molecules which were mineralized to water and carbon dioxide.
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“The TiO 2 /AC composite has been used in conjunction with microwave (MW)-enhanced photodegradation of Rhodamine B (RhB) for the destruction of the conjugated structure, which was much faster than the photocatalytic degradation methods.118”
From Sustainable hybrid photocatalysts: titania immobilized on carbon materials derived from renewable and biodegradable resources (2016) · cites this paper as [118]
In the citing paper
“Activated carbon (AC), also termed active carbon, activated charcoal, or activated coal, is a porous, amorphous solid carbon material derived mainly from carbonaceous or plantbased (lignocellulosic) materials such as coconut shell, [113][114][115][116][117][118][119] activated charcoal, 120 sawdust of Tabebuia pentaphyla wood, 121-124 pine sawdust, 125 beech sawdust, 126 peach stones, 127 almond”
From Sustainable hybrid photocatalysts: titania immobilized on carbon materials derived from renewable and biodegradable resources (2016) · cites this paper as [118]
Citations
Cites
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Cited by
Sorted by citations
Photocatalytic degradation of tetracycline in aqueous solution by nanosized TiO2
Zhu, X., Wang, Y., Sun, R., & Zhou, D. (2013) · Chemosphere · doi:10.1016/j.chemosphere.2013.02.066 · Cited by 676
“Before injection, trimethylsilylation was carried out using 0.5 mL of BSTFA-TMCS (99:1) at 50 C for 30 min (He et al., 2009).”
MethodInfluentialLi, X., Chen, G., Yang, L., Jin, Z., & Liu, J. (2010) · Advanced Functional Materials · doi:10.1002/adfm.201000792 · Cited by 523
Zhu, L., Ji, J., Liu, J., Mine, S., Matsuoka, M., Zhang, J., & Xing, M. (2020) · Angewandte Chemie International Edition · doi:10.1002/anie.202006059 · Cited by 500
Mezohegyi, G., van der Zee, F. P., Font, J., Fortuny, A., & Fabregat, A. (2012) · Journal of Environmental Management · doi:10.1016/j.jenvman.2012.02.021 · Cited by 474
“Recently, some combined photocatalytic dye treatment systems presented powerful decolourisation potentials such as photo-Fenton reactionwith Fe-ACF/TiO2 composite catalyst (Zhang and Oh, 2009), microwave-enhanced photodegradation using TiO2/AC composite catalyst (He et al., 2009) or electrophotocatalytic oxidation usi…”
BackgroundIsari, A. A., Payan, A., Fattahi, M., Jorfi, S., & Kakavandi, B. (2018) · Applied Surface Science · doi:10.1016/j.apsusc.2018.08.133 · Cited by 390
Metadata
- Authors
- HE, Z., YANG, S., JU, Y., & SUN, C.
- Affiliations
- State Key Laboratory of Pollution Control and Resource Reuse (CN)
- Corresponding author
- SUN, Cheng
- Venue
- Journal of Environmental Sciences
- Publisher
- Elsevier BV
- Published
- 2009
- Volume
- 21
- Issue
- 2
- Pages
- 268-272
- ISSN
- 1001-0742 (ISSN-L)
- OpenAlex
- W2039530054
- Cited by
- 242
- References
- 14
- Citations by year
- 2026: 13 · 2025: 12 · 2024: 10 · 2023: 14 · 2022: 15 · 2021: 17 · 2020: 20 · 2019: 23 · 2018: 14 · 2017: 21 · 2016: 11 · 2015: 19 · 2014: 11 · 2013: 18 · 2012: 11
- FWCI
- 3.75
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Environmental Sciences (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
- Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
- Keywords
- rhodamine B, photocatalytic degradation, TiO2/activated carbon composite, dye mineralization, degradation intermediates, reaction kinetics, mineralization
- MeSH terms
- Catalysis, Charcoal, Chromatography, Liquid, Kinetics, Gas Chromatography-Mass Spectrometry, Microscopy, Electron, Scanning, Microwaves, Photolysis, Rhodamines, Titanium, X-Ray Diffraction
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