The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Microplastic pollution reduction by a carbon and nitrogen-doped TiO2: Effect of pH and temperature in the photocatalytic degradation process
Open accessAbstract
Microplastics (MPs) are pollutants formed by plastics ≤ 5 mm and are present in marine and terrestrial environments. Due to their large surface to volume ratio and chemical surface properties, MPs adsorb hazardous chemicals from their surrounding environment. When MPs are consumed by fauna, they transfer those substances through the trophic chain. An essential issue of MPs is their disposal. Due to their size, the disposal methods commonly used for plastic items are not suited for MPs. Here, photocatalysis in an aqueous medium is proposed as an alternative to fight MPs pollution. Although the photocatalysis of MPs has been reported, the effect of operating variables in the process has not been investigated. To fill this gap, the impact of pH and temperature on the degradation process of HDPE MPs was investigated using C,N-TiO2 and visible light. Degradation was followed by mass loss, carbonyl index calculation and microscopy. It was found that photocatalysis at low temperature (0 °C) increases MPs' surface area by fragmentation, and low pH value (pH 3) favours hydroperoxide formation during photooxidation. By using the design of experiments tool, it was demonstrated that there is a combined effect of pH and temperature in the photocatalysis of HDPE MPs.
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Cites
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Cited by
C-,N- and S-Doped TiO2 Photocatalysts: A Review
Piątkowska, A., Janus, M., Szymański, K., & Mozia, S. (2021) · Catalysts · doi:10.3390/catal11010144 · Cited by 322
Arora, I., Chawla, H., Chandra, A., Sagadevan, S., & Garg, S. (2022) · Inorganic Chemistry Communications · doi:10.1016/j.inoche.2022.109700 · Cited by 291
Metadata
- Authors
- Ariza-Tarazona, M. C., Villarreal-Chiu, J. F., Hernández-López, J. M., Rivera De la Rosa, J., Barbieri, V., Siligardi, C., & Cedillo-González, E. I.
- Venue
- Journal of Hazardous Materials
- Publisher
- Elsevier BV
- Published
- 2020-08
- Volume
- 395
- Pages
- 122632
- ISSN
- 0304-3894 (ISSN-L)
- OpenAlex
- W3015491977
- Cited by
- 468
- References
- 9
- FWCI
- 11.07
- Type
- journal article
- Language
- en
- Open access
- green
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- Ariza-Tarazona, M. C., Villarreal-Chiu, J. F., Hernández-López, J. M., Rivera De la Rosa, J., Barbieri, V., Siligardi, C., & Cedillo-González, E. I. (2020). Microplastic pollution reduction by a carbon and nitrogen-doped TiO2: Effect of pH and temperature in the photocatalytic degradation process. Journal of Hazardous Materials. https://doi.org/10.1016/j.jhazmat.2020.122632
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
