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Type of publication: Straipsnis kituose recenzuojamuose leidiniuose / Article in other peer-reviewed editions (S5)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Skorupskaitė, Virginija;Makarevičienė, Violeta
Title: Green energy from microalgae: usage of algae biomass for anaerobic digestion
Is part of: Ecology & safety : journal of international scientific publications [elektroninis išteklius]. Sofia : Info Invest, Vol. 8 (2014)
Extent: p. 71-77
Date: 2014
Note: 1314-7234 (Online)
Keywords: Microalgae;Biomass;Biogas production;Biogas quality
Abstract: The microalgae biomass can be used for various types of biofuels, including biodiesel and biogas. The aim of this study is to investigate the possibilities of microalgae Scenedesmus sp. and Chlorella sp. (widespread in freshwater Lithuanian lakes) usage for biogas production. Microalgae were cultivated under mixotrophic conditions (growth medium BG11containing technical glycerol). In order to determine biogas yield and quality dependence on feedstock preparation, the analyses of biogas production have been performed with algae biomass prepared in different ways: wet centrifuged; wet centrifuged, frozen and defrost; dry not de-oiled and dry de-oiled. The highest biogas yield in both cases (Scenedesmus sp. – 646 ml/gDM and Chlorella sp. – 652 ml/gDM) was obtained from centrifuged, frozen and defrost biomass. Biogas yield was app. 1.46 times higher comparing to yield of biogas produced from wastewater sludge. Our results showed that different types of biomass preparation have no significant influence on quality of biogas
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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