Generation of Solid Recovered Fuel from Sewage Sludge Compost
Keywords:Solid recovered fuel, sewage sludge, compost, sawdust, peat, pellets, briquettes, environmental impact assessment
The paper presents results of the research which was carried out in KTU APINI when implementing one stage of the PF7 program project “Polygeneration of energy, fuels, and fertilizers from biomass residues and sewage sludge (ENERCOM)” (No TREN/FP7/EN/218916). The research objective was to assess possibilities of producing solid recovered fuel (SRF) from compost produced from pre-treated sewage sludge and biomass residuals in “Soil-Concept” plant (Luxemburg). Feasibility of producing pellets and briquettes using the composites of compost, sawdust, and peat was analyzed. Technical and environmental evaluations of SRF production were carried out on the basis of pelleting and briquetting tests. Main chemical and physical parameters of produced SRF were analyzed and compared to the recovered fuel classificatory (CEN/TC 343). All pellets and briquettes, produced during the experiment, were attributed to a certain class of recovered fuel.Results of technical and environmental evaluations of SRF production and their burning as well as conclusions and recommendations made are presented.
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