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Type of publication: journal article
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Žukauskas, Tadas;Venslauskas, Kęstutis;Petrauskas, Arnas
Title: Spiritinių žlaugtų perdirbimas į biodujas
Is part of: Agroinžinerija ir energetika: LŽŪU Žemės ūkio inžinerijos fakulteto mokslo populiarinimo ir gamybos žurnalas. , 2012, Nr. 17
Extent: p. 290-294
Date: 2012
Abstract: Purpose of this paper is to analyse the possibilities of anaerobic digestion to biogas of spirit stillage. Spirit stillage was processed in anaerobic digester at mesophilic environment. Vertical type biogas digester of 20 liters was used for experiments. Applied organic load was 1 kg/(m3∙d). In spirit stillage was found organic carbon 48,3 %, nitrogen 5,43 %, the C:N ratio is 8,9:1. This material may not be easily processed into biogas due to low C:N ratio. The biogas yield from 1 kg of spirit stillage was 50,6 liters or 652,8 l/kg of dry matter and 685,2 l/kg of dry organic matter. Methane concentration in biogas was 57,7 %. Energy value of 1 kg spirit stillage is 1,03 MJ or 13,3 MJ from 1 kg of dry matter and 14,0 MJ from 1 kg of dry organic matter
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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