Process Waters from Hydrothermal Carbonization of Sludge: Characteristics and Possible Valorization Pathways
| Autor: | Daniele Basso, Michela Langone |
|---|---|
| Přispěvatelé: | Langone, M., Basso, D. |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
020209 energy
Health Toxicology and Mutagenesis Sewage lcsh:Medicine 02 engineering and technology Review 010501 environmental sciences 01 natural sciences Hydrothermal carbonization Metals Heavy hydrothermal carbonization (HTC) 0202 electrical engineering electronic engineering information engineering Organic matter 0105 earth and related environmental sciences chemistry.chemical_classification Waste management sewage sludge business.industry lcsh:R Public Health Environmental and Occupational Health Temperature HTC chemicals Heavy metals Carbon Anaerobic digestion chemistry Scientific method digestate Digestate Environmental science process waters business Sludge |
| Zdroj: | International Journal of Environmental Research and Public Health, Vol 17, Iss 6618, p 6618 (2020) International Journal of Environmental Research and Public Health |
| ISSN: | 1661-7827 1660-4601 |
| Popis: | Hydrothermal carbonization (HTC) is an innovative process capable of converting wet biodegradable residues into value-added materials, such as hydrochar. HTC has been studied for decades, however, a lack of detailed information on the production and composition of the process water has been highlighted by several authors. In this paper the state of the art of the knowledge on this by-product is analyzed, with attention to HTC applied to municipal and agro-industrial anaerobic digestion digestate. The chemical and physical characteristics of the process water obtained at different HTC conditions are compared along with pH, color, organic matter, nutrients, heavy metals and toxic compounds. The possibility of recovering nutrients and other valorization pathways is analyzed and technical feasibility constraints are reported. Finally, the paper describes the main companies which are investing actively in proposing HTC technology towards improving an effective process water valorization. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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