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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Jasinskas, Algirdas;Šiaudinis, Gintaras;Martinkus, Mindaugas;Karčiauskienė, Danutė;Repšienė, Regina;Pedišius, Nerijus;Vonžodas, Tomas
Title: Evaluation of Common Osier (Salix viminalis L.) and Black Poplar (Populus nigra L.) Biomass Productivity and Determination of Chemical and Energetic Properties of Chopped Plants Produced for Biofuel
Is part of: Baltic Forestry. Girionys : Lithuanian Forest Research Institute et al., 2017, Vol. 23, N 3
Extent: p. 666-672
Date: 2017
Keywords: black poplar;biofuel;elemental analysis;calorific value;common osier;energetic evaluation
Abstract: Two energy plants – common osier (Salix viminalis L.) and black poplar (Populus nigra L.) – were investigated in order to evaluate their productivity, to perform an energy growing analysis and to investigate plant physical-mechanical and energetic properties of chopped plants for biofuel production. The field experiments were conducted at the Vėžaičiai branch of the Lithuanian Research Centre for Agriculture and Forestry (Western Lithuania, 55°43′N, 21°28′E). The average common osier’s yield was 7720 t ha-1 of dry matter (DM), and that of black poplar was 4228 t ha-1 DM. A 3.0 t ha-1 liming rate and 60 kg ha-1 N rate was optimal for both crops growth and DM productivity. Common osier and black poplar chaff`s elemental composition analysis showed a similar C (carbon) content of 49.1–49.7%, H (hydrogen) content of 5.6–5.8%, N (nitrogen) and S (sulphur) in small volume %. The estimated ash content of the investigated plants was relatively low – from 1.44% for willows to 2.52% for poplars. The lower calorific value of these plants’ dry chaff was relatively high (18.49–18.62 MJ/kg). Depending on the different liming and nitrogen fertilization rates, the total energy input (including direct and indirect inputs) to the growing process constituted 8.41–29.21 GJ ha-1. Common osier had the highest energy output (from 1030 to 1639 GJ ha-1) and the highest energy use efficiency (46.01–122.47)
Affiliation(s): Lietuvos agrarinių ir mi škų mokslų centro Vėžaičių filialas
Lietuvos agrarinių ir miškų mokslų centro Vėžaičių filialas
Lietuvos energetikos institutas
Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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