Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. IX
Written by Ivan ZAHARIEV, Dimitar KEHAYOV
About 4000 hectares of oil-bearing rose are grown in Bulgaria, of which approximately 20000 tons of residual biomass is harvested annually. For now, there is no unilateral decision on how it can be used. The purpose of this study is to establish: what kind of wood (soft or hard) is the residuals of contour pruning of oil-bearing roses and what are the hardness and energy required to destroy these residues. From the research it was found that a sheet of rosewood mass can be processed with machines for crushing and pelleting/briquetting of softwood and the energy needed to destroy 1 g of these residues with a humidity of about 14% is 16.56 J, which is equal to 46 kWh/t.
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