Regenerative Energie
Sequential anaerobic digestion - aerobic composting processes are crucial for low carbon footprint utilization of sewage sludge. Treatment plants with sludge drying may benefit from such methods, provided that the two degradation processes are harmonized. A laboratory-scale trial was executed focusing on the energy relations of the two processes.
Data was analyzed with an adjusted composting model of Haug (1993). The outcome implies that drying depends primarily on the initial total solids (TS) content of the compostable sludge and only to a smaller degree on the anaerobic conversion. Considering a 25% anaerobic degradation and scenarios of 5 and 20 °C external temperatures, the minimum required TS content in the starting substrates was 30 and 25 % TS, respectively. Above these values, anaerobic conversion did not limit the aerobic thermophilic stage. The amendment and volumetric requirements for composting were also quantified. The described methodology supports economic designing of biological sewage sludge treatment.
| Copyright: | © European Compost Network ECN e.V. |
| Quelle: | Orbit 2014 (Juni 2014) |
| Seiten: | 0 |
| Preis: | € 0,00 |
| Autor: | Beatrix Rózsáné Szűcs M. Simon Gábor Szántó Dr. György Füleky |
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Rechtliche und praktische Unsicherheiten bei der Durchführung des europäischen Klimaanpassungsrechts durch das Bundes- Klimaanpassungsgesetz (KAnG)
© Lexxion Verlagsgesellschaft mbH (6/2025)
In the context of the European Climate Law (EU) 2021/1119), the Governance Regulation (EU) 2018/1999 and the Nature Restoration Regulation (EU) 2024/1991, the KAnG came into force on July 1, 2024.
Transformatives Klimarecht: Raum, Zeit, Gesellschaft
© Lexxion Verlagsgesellschaft mbH (6/2025)
This article contends that climate law should be conceived as inherently transformative in a double sense. The law not only guides the necessary transformation of economy and society, but is itself undergoing transformation.
Maßnahmen zur Klimaanpassung sächsischer Talsperren
© Springer Vieweg | Springer Fachmedien Wiesbaden GmbH (5/2025)
Die Landestalsperrenverwaltung des Freistaates Sachsen (LTV) betreibt aktuell insgesamt 87 Stauanlagen, darunter 25 Trinkwassertalsperren. Der Stauanlagenbestand ist historisch gewachsen und wurde für unterschiedliche Zwecke errichtet.