sažetak izlaganja sa skupa
Improving the management of solid waste is seen as an environmental challenge. Particular attention is paid to reducing consumption, reducing food waste and converting waste into resources. The management of biodegradable waste has become an increasing challenge in recent decades. Composting is one of the safest and most natural ways to manage biodegradable waste. This process is an efficient and sustainable technology for processing a wide range of organic waste with significant environmental, economic and social benefits. In this work, the composting process of a real sample of a heterogeneous mixture of biodegradable waste was carried out with a forced aeration of 0.9 m3
/day for 21 days. The initial C/N ratio and volatile matter content were 21 and 55 %, respectively. Based on the parameters estimated by the optimization and using mathematical models to describe the material balance and enthalpy, a process was simulated to compare it with the results of the experiment performed, where the variable aeration affected the temperature control. Aeration is an important factor in regulating composting efficiency. By controlling the aeration regime, the thermophilic phase in the heterogeneous system studied can be kept above 60 °C more than 72 hours.
composting process, forced aeration, thermophilic phase, heterogeneous waste
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