Process analysis of biomass pellets production | Analiza procesa proizvodnje energetskih peleta od biomase
2011
Brkić, M., Poljoprivredni fakultet, Novi Sad (Serbia) | Gluvakov, Z., Poljoprivredni fakultet, Novi Sad (Serbia) | Janić, T., Poljoprivredni fakultet, Novi Sad (Serbia)
Since in today's modern times, when we tend to use the renewable energy sources because of its inexhaustible resources and ecological importance, each country, depending on their natural resources, is looking in direction to steer the technology for energy production. Serbia should, on the base of that principle, turn to the branch of energy production that is the most dominant as a resource, which is biomass. It is estimated that of the total renewable energy resources biomass makes about 63%. This paper introduces the process of pelleting biomass in the pelleting plant of Eko Pelet in Bački Petrovac (Serbia), founded in 2009. Existing biomass pelleting line is based on the line for pelleting hops, which dates from 1980. On the above mentioned plant, monitoring and analysis of the processes of energy production from biomass pellets, and analysis of plant investment cost and price of energy pellets was carried out . Following the plant, the procedure of line for pelleting wheat-straw was described and analised, which was not the case in Vojvodina in the past, since there was no succesfull production of such pellets. It had to be mixed with sawdust in proportion: 30% of straw and 70% of sawdust. So, by using special openings of the matrix, the basic problem in the process of pelleting wheat-straw was solved: an adequate fragmentation of the material, compression material pressure, temperature and moist content of the material were achieved.
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