The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Enhanced in situ biodegradation of microplastics in sewage sludge using hyperthermophilic composting technology
Abstract
Land spreading of sewage sludge is a major source of environmental microplastics (MPs) contamination. However, conventional sludge treatments are inefficient at removing sludge-based MPs. Herein, hyperthermophilic composting (hTC) technology is proposed and demonstrated in full-scale (200 t) for in situ biodegradation of sludge-based MPs. After 45 days of hTC treatment, 43.7% of the MPs was removed from the sewage sludge, which is the highest value ever reported for MPs biodegradation. The underlying mechanisms of MPs removal were investigated in lab-scale polystyrene-microplastics (PS-MPs) biodegradation experiments. The hTC inoculum degraded 7.3% of the PS-MPs at 70 °C in 56 days, which was about 6.6 times higher than that of the conventional thermophilic composting (cTC) inoculum at 40 °C. Analyses of the molecular weight and physicochemical properties of the PS-MPs residuals indicated that hyperthermophilic bacteria in hTC accelerated PS-MPs biodegradation through excellent bio-oxidation performance. High-throughput sequencing suggested that Thermus, Bacillus, and Geobacillus were the dominant bacteria responsible for the highly efficient biodegradation during hTC. These results reveal the critical role of hyperthermophilic bacteria in MPs biodegradation during hTC, highlighting a promising strategy for sludge-based MPs removal from the real environment.
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A bacterium that degrades and assimilates poly(ethylene terephthalate)
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Cited by
Harley-Nyang, D., Memon, F. A., Jones, N., & Galloway, T. (2022) · Science of The Total Environment · doi:10.1016/j.scitotenv.2022.153735 · Cited by 192
Interactive impacts of photoaged micro(nano)plastics and co-occurring chemicals in the environment
Junaid, M., Hamid, N., Liu, S., Abbas, Z., Imran, M., Haider, M. R., Wang, B., Chen, G., Khan, H. K., Yue, Q., et al. (2024) · Science of The Total Environment · doi:10.1016/j.scitotenv.2024.172213 · Cited by 37
Di Pippo, F., Bocci, V., Amalfitano, S., Crognale, S., Levantesi, C., Pietrelli, L., Di Lisio, V., Martinelli, A., & Rossetti, S. (2023) · Frontiers in Microbiology · doi:10.3389/fmicb.2023.1290441 · Cited by 28
Foetisch, A., Filella, M., Watts, B., Bragoni, M., & Bigalke, M. (2023) · Microplastics and Nanoplastics · doi:10.1186/s43591-023-00066-2 · Cited by 21
Metadata
- Authors
- Chen, Z., Zhao, W., Xing, R., Xie, S., Yang, X., Cui, P., Lü, J., Liao, H., Yu, Z., Wang, S., & Zhou, S.
- Venue
- Journal of Hazardous Materials
- Publisher
- Elsevier BV
- Published
- 2020-02
- Volume
- 384
- Pages
- 121271
- ISSN
- 0304-3894 (ISSN-L)
- OpenAlex
- W2973751212
- Cited by
- 348
- References
- 41
- FWCI
- 8.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, Z., Zhao, W., Xing, R., Xie, S., Yang, X., Cui, P., Lü, J., Liao, H., Yu, Z., Wang, S., & Zhou, S. (2020). Enhanced in situ biodegradation of microplastics in sewage sludge using hyperthermophilic composting technology. Journal of Hazardous Materials. https://doi.org/10.1016/j.jhazmat.2019.121271
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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