Potential of biomass from Serbian forests for combine heat and power cogeneration
2012
Dedić, Aleksandar (Faculty of Forestry, Belgrade (Serbia)) | Matić, Vjačeslava (Faculty of Forestry, Belgrade (Serbia))
In 2007, Serbia ratified the Kyoto Protocol, taking over the responsibility to increase the amount of energy produced from renewable energy sources. The annual wood biomass energy potential in Serbia is approximately 1Mtoe As the total annual consumption of primary energy in Serbia in 2011 was about 17.4Mtoe; from this it is clear that biomass derived from forestry can cover even 5.74% of primary energy in Serbia, if it is rational and adequately used. Also, wood biomass is favourable fuel as it is rich in carbon and having in mind environmental protection issues, due to closed circle of carbon-dioxide (CO2 produced in combustion processes are used for oxygen production in photo-synthesis). In addition to that, in a system with natural air circulation in gasification process of wood biomass, there is no emission of NOx components which is great advance in compare with classic combustion of biomass ([7]). The regions in Serbia, the largest producers of wood waste after forest harvesting are presented in the paper. The structure of wood waste, its characteristics, as well as machines for obtaining wood chips are analyzed. In the conclusion the estimation of amounts of wood chips is given for a demo CHP plant with 200kW of electric power which is under construction. The work is supported by The Ministry of Education and Science of the Republic of Serbia and presents the research work in frame of the the project “A new biological material to protect land and water, Project No. TR-37002.
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