The utilisation of thermally treated poultry farm waste for energy recovery and soil application

Neža Šantl, Janja Stergar, Matevz Bozicko, Darko Goričanec, Danijela Urbancl and Aleksandra Petrovič

Renewable Energy, 2024, vol. 221, issue C

Abstract: The thermal treatment was analysed of poultry farm waste, excrement and litter, and their mixture. Two thermal treatment methods were chosen: Torrefaction at 300 °C and hydrothermal carbonisation (HTC) at 250 °C. The characterisation of raw materials and solid products was performed by proximate and ultimate analysis, and analysis of the high heating value. Thermogravimetric analysis (TGA) was performed of the combustion of raw materials and solid products in an air atmosphere. The kinetic and thermodynamic parameters were determined according to the Flynn–Wall–Ozawa (FWO) kinetic model. The contents of total organic carbon, chemical oxygen demand, total nitrogen and total phosphorus, as well as the content of total phenols, were determined in the process fluids. In addition, a germination test was performed with garden cress.

Keywords: Torrefaction; Hydrothermal carbonisation; Wastes from animal breeding; Biofuel (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:221:y:2024:i:c:s096014812301724x

DOI: 10.1016/j.renene.2023.119809

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