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Regional waste-to-energy systems
Krňávek, Martin ; Jelemenský, Karol (referee) ; Jegla, Zdeněk (referee) ; Stehlík, Petr (advisor)
The doctoral thesis deals with regional energy utilization of municipal waste, sewage sludge and hazardous medical waste. In the first part of the thesis, the conditions under which waste-to-energy plants can be effectively integrated into regional energy supply system are assessed. In this introductory part, the current energy situation, legislation as well as waste in the Czech Republic are analyzed. Furthermore, the possibilities of integration at different levels in relation to the WtE plant and the complex waste management concept are described. In the next part of the thesis, the possibilities of long-term and short-term energy accumulation for the WtE plant are assessed. From the point of view of short-term energy accumulation, warm water, hot water and steam accumulators are assessed and from the point of view of long-term energy accumulation, the storage of plastic and bulky waste and sewage sludge is analyzed. The created techno-economic models of modern technologies for energy utilization of municipal waste, sewage sludge and hazardous medical waste are described in the main part of the thesis. In the last part of the thesis, the proposed techno-economic models are applied to the conditions of the specific region, and the effectiveness of tailor-made solutions respecting the 3E (environmental protection, energy situation and economic aspects) is demonstrated on this example.
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