Energy production analysis of Common Reed – Phragmites australis ( Cav .) Trin .
Demko, Jaroslav | Machava, Ján | Saniga, Miroslav
Slovakia is a country with limited natural resources, therefore its essential task is to search for new renewable sources of energy to reduce its dependence on imported fossil fuels. The results of research confirmed that the Common Reed (Phragmites australis (Cav.) Trin.) has considerable potential of phytomass production and energy storage (calorific value reached 17,448 J g–1 d.w.). Biomass production of Common Reed under natu- ral conditions of the lower Liptov region reached 12.702 tons of a dry mater per hectare with the calculated energy storage of 221.622 GJ ha–1 . The average biogas production was 351.31 l kg–1 of a dry matter of which the methane (CH4) content represents 185.21 l kg–1 (52.72%). With regards to the values of combustion heat, a calorific value and the production of methane it can also be noted that in case of Common Reed it is more profitable to focus on direct combustion of biomass than the production of biogas and methane.
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