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Designer Energy Ltd, Israel
Posters-Accepted Abstracts: J Fundam Renewable Energy Appl
Considerable attention in recent years has been given to plant biomass as energy source which in contrast to the fossil sources is continuously renewed in nature. Inthis paper the use of the non-edible plant biomass for production of various kinds of biofuels is considered. To generate energy, the plant biomass either can be burned directly or it can be used after its conversion into solid biochar, liquid biofuels or biogas.A comparative analysis of energetic potential of various kinds of biofuels revealed that the most efficient way to produce renewable energy is a direct burning of the plant biomass in a pelletized form while the burning of such amount of the solid, liquid or gaseous biofuel which can be obtained from the plant material gives a much smaller energetic effect. New pelletizing technology of the powdered biomass together with high-energetic organic binderswas proposed.As a result, the modified pellets acquire improved fuel parameters: Net combustion energy of 28-30 MJ/kg and an energetic density of 23-25 GJ/m3. The energeticcharacteristics of modified pellets aresignificantly higher than common pelletsbut these are close to energetic characteristics of average-quality coal.Furthermore, unlike the coal, the modified pellets have reduced emission of particles, zero emission of sulfur oxides and neutral emission of carbon dioxide.