Analysis of energetic exploitation of straw in Vojvodina

Sinisa N. Dodic, Vladislav N. Zekic, Vesna O. Rodic, Nedeljko Lj. Tica, Jelena M. Dodic and Stevan D. Popov

Renewable and Sustainable Energy Reviews, 2011, vol. 15, issue 2, 1147-1151

Abstract: The Autonomous Province of Vojvodina is an autonomous province in the Republic of Serbia. It is located in the northern part of the country, in the Pannonia plain. Vojvodina is an energy-deficient province. The average yearly quantity of the cellulose wastes in Vojvodina amounts to about 9 millions tons barely in the agriculture, and the same potential on the level of Serbia estimates to almost 13 million tons. This study gives the analysis of energetic exploitation of straws from stubble cereals processed in different forms. Costs for the equipment that uses biomass in the EU are approximately two times higher with respect to those for the equipment for combustion of natural gas or of fuel oil. Costs of investments for combustion of biomass in Vojvodina if compared with the cited data are approximately for 40-50% lower. The difference of the investment costs for the construction of such units is because units for straw combustion designed and constructed in our country, have neither the complicated devices for manipulation of fuels, nor the devices for the waste gasses processing. The definite conclusions about the economic justification of the energetic exploitation of stubble straws can be obtained only by comparison of costs of the so obtained energy, with the costs of energy obtained through the combustion of classical fuels. Previous comparisons were the most often based on the comparisons of value of prices of the equivalent straw quantity with the process of fuel oil of other classical fuels. Such the comparisons leaded to the very positive evaluations of the economical effects of straws, without taking into account the realizability of the named method. Namely, comparisons of straw and fuel oil hardly could lead to the conclusion that these two fuels are mutually substitutable. According to its physical properties, straw is most similar to firewood, but the preciousness and lacking of this the very resource excludes it from the comparative analysis, so that comparisons were performed with respect to coal. The basic reason for the application of coal as the alternative energent is the circumstance that coal represents very often-used energent whose technology of combustion is the most similar to those used for straw, and at the same time, it has not any other application.

Keywords: Biomass; Energy; Combustion; Straw; Vojvodina (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (2)

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