Generation of Solid Recovered Fuel from the Separate Fraction of Pre-composted Materials (Sewage Sludge and Biomass Residues)
Keywords:Solid recovered fuel, sewage sludge, biodegradable waste, sawdust, pea fuel, environmental impact assessment
The paper presents results of the research which was done 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 study on peat and / or sawdust substitution potential for the solid recovered fuel (SRF) of compost. The compost is produced of pre-treated sewage sludge and biomass residuals in a “Soil-Concept” plant (Luxemburg). During ENERCOM project implementation the laboratory analysis of different compost fractions shows that fraction 10-40 of pre-composted materials can be used for SRF production. The equipment for SRF production in a pellet form was developed in pilot “Soil-Concept”. Pelleting press monitoring was carried out to evaluate real environmental indicators (EI). These EI were used for environmental impact assessment (EIA) of generating SRF and its burning for heat energy production. The method of comparison analysis was chosen for the EIA. SRF was compared to the peat fuel and sawdust. Results of technical and environmental evaluations of SRF production and its burning, comparison analysis with peat fuel and sawdust, as well as conclusions and recommendations made are presented.
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