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Type of publication: conference paper
Type of publication (PDB): Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Bosas, Giedrius;Petrauskas, Edmundas
Title: Variability of birch bark caloric content
Is part of: The Nordic-Baltic Co-operation group for Forest Inventory EFINORD - SNS network meeting and scientific conference : August 21-23, 2013 Institute of Forest Management and Wood Science, Faculty of Forest and Ecology, Aleksandras Stulginskis University, Kaunas reg.,Lithuania : abstracts and brief profiles of participants. Akademija ( Kauno r.) : ASU leidybos centras, 2013
Extent: p. 6
Date: 2013
Abstract: Renewable energy and the use of biomass in energy production promotes sustainable development and decreases the use of fossil fuels. Biomass, e.g. birch bark can be used in the production of heat and electricity, as well as being used as a biofuel component and novel product for the chemical industry. Efficient utilization of biomass requires a high level of knowledge and the development of new processes to create a new way of thinking. The aim of this research was to investigate relationships between bark thickness and along the stem bark caloric values of birch (Betula pendula, betula pubeskins). This research was made on the bar of empirical data, collected in the front of central region of Lithuania. Data were taken from 10 trees. Totally were collected 133 sample discs, from bottom to top at measurement place: (0; 0.5 1; 1.3; 3; …). Caloric values of samples were measured with ICA calorimeter c2000 and analyzed using statistica-8 software. Results from One-way analysis of variance, demonstrated that there is significant difference in bark caloric values taken in different place of stem. Bark caloric values with measurement, highest correlation with measure place on a stem (R = 0.485 p=0.05) and bark thickness (R =-0.480 p=0.05). Linear equations model were used compatibility approximate have relationships between bark caloric values and concerned factors. Mean of bark caloric value (dry matter) was measured 23.6 MJ/kg. Lowest caloric value were estimated of inner bark 20.11 MJ/kg, and highest-of outer bark 31.4 MJ/kg
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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