Techno-Economic Assessment of Anaerobic Digestion Technology for Small- and Medium-Sized Animal Husbandry Enterprises

Published: May 8, 2024

Investments in small and medium-sized anaerobic digestion facilities have the potential to boost biogas production Greece other EU countries. This study aimed evaluate economic feasibility of equipped with combined heat power (CHP) units ranging from 50 400 kW, while treating livestock waste. For this purpose, data were gathered various operations (dairy cattle, poultry, swine, dairy sheep goat) regarding their annual production, revenues, electricity fuel usage, waste generation. Waste samples then collected analyzed assess biochemical methane potential. The capital operational costs facilities, calculated using equations developed within “eMT cluster” project. Findings indicate that current feed-in tariffs (FIT) 0.21 € kWh-1 are insufficient incentivize investment capacities below 250 highlighting need for increased FIT rates or expenditure subsidies. Recommendations include shifting towards simplified technology business models reduced farmer involvement, coupled supportive legislative framework long-term price guarantees. These measures expected foster implementation projects animal husbandry sector.

Language: Английский

The Evaluation and Optimization of a Decentralized Incineration Facility for Animal By-Products: Performance, Cost Analysis and Resource Recovery

Processes, Journal Year: 2024, Volume and Issue: 12(9), P. 1847 - 1847

Published: Aug. 29, 2024

In this study, a decentralized incineration facility was evaluated over three-year period, focusing on performance aspects, such as the burning rate, ash production, fuel and electricity consumption, composition, while processing animal by-products (ABPs). The total cost for ABP determined to be EUR 159 t−1 ABP, with major components being capital depreciation (42%), maintenance expenditures (26%), labor (18%), transportation costs (9%). Liquified petroleum gas consumption ranged from 3 7 kg t−1, use between 15 20 kWh incinerated ABP. process generated 7–10% (by weight) ash, which characterized by high calcium phosphorus contents low levels of hazardous trace elements. Leaching tests demonstrated potential recovering an alkaline supernatant flue treatment phosphorus-rich slurry fertilizer production. findings suggest that energy recovery valorization are crucial minimizing operational environmental impact, emphasizing benefits integrating advanced resource techniques in facilities.

Language: Английский