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Rozbor možností zpracování a využití dendromasy získané při arboristických činnostech
Matěna, Jiří
These Bachelor's Theses are oriented on processing and utilization of dendromass that is produced as a result of some arboristic activities. Totally 50 arboristic companies and arborists were evaluated. The single subjects are evaluated especially from the point of view of firewood and wood chips production. The main purpose was to check which activities result in production of dendromass and what are the possibilities of its final treatment and utilization. As for dendromass processing these theses are concentrated on daily production, type of necessary machinery, labour consumption and financial profitability. During the last years there have occurred new possibilities of dendromass processing and using small and large machinery.
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Ekonomické aspekty využívání dendromasy pro energetické účely
Badal, Tomáš
The focus of this work is on the economic aspects of using dendromass (logging residues) for energy purposes in the production of energy chips. In defining economic factors, the paper employs as a basis actual manufacturing and sales data from 247 business cases in 2011-2012 at nine forest properties. The data reflect 44,971 m3 of harvested wood, 6671 tons of energy chips with a total energy content of 63.92 TJ. The initial objective of the paper is to derive average and proportional variables using data from actual business cases and then use these to discover the limiting production values, particularly those of the purchase price and energy chips, as well as logging residues and the limiting transport distance. The relationships derived are shown both mathematically and graphically. Results found in the paper are primarily designated for preproduction calculation by economic entities, the valuation of logging residues and as a basis for national policy regarding both forests and energy.
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