期刊
REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY
卷 19, 期 4, 页码 807-841出版社
SPRINGER
DOI: 10.1007/s11157-020-09553-x
关键词
Biosolids; Sewage sludge; Wastewater; Biochar; Thermochemical conversion; Pyrolysis
资金
- South East Water Corporation and Intelligent Water Networks
- RMIT's Enabling Capability Platform
- RMIT University
The biosolids management is becoming an increased concern for the wastewater sector in recent times due to production of large volume of biosolids, their higher processing costs and the presence of emerging contaminants. The pyrolysis of biosolids is gaining significant interest in the industry sector as well as research community over the last decade due to its ability to reduce biosolids volume, produce high-value biochar product and minimise the risk associated with contaminants. This paper aims to critically review the literature on biosolids management techniques and their current challenges, biosolids characteristics and its suitability for pyrolysis, pyrolysis product characterisation from different reactor designs and biochar application as a soil amendment, adsorbent and catalyst. The efforts have also been made to critically summarise studies on the process modelling activities and techno-economic assessments including some key pilot-scale demonstrations of recent time. The review concludes that biosolids to biochar can be an effective alternative to biosolids management; however, its commercial viability is limited in the current scenario. In the end, efforts have been made to highlight current challenges including research gaps and future perspectives in improving its commercial viability.
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