Original scientific paper

https://doi.org/10.17559/TV-20150301094031

Investigation on possibilities for biogas production from organic waste on the Croatian island of Krk

Viktor Dragičević orcid.org/0000-0001-8588-7488 ; Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka, Croatia
Marin Miletić orcid.org/0000-0003-4473-6047 ; Energetski institut Hrvoje Požar, Savska cesta 163, 10001 Zagreb, P.P. 141, Croatia
Branimir Pavković orcid.org/0000-0002-6738-4083 ; Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka, Croatia

Abstract

The subject of this paper is the analysis of the possibilities of using biodegradable municipal and agricultural waste in a biogas energy production facility on the island of Krk. The main characteristic of this type of waste is the variable composition. The total amount of municipal waste on the largest Croatian island of Krk is relatively small in comparison to cities. Particularly significant is the high variability of feedstock volumes depending on the period in the year. As a result, the biogas production is unstable and varies on a monthly basis. To overcome that situation a scenario with two cogeneration units was compared to a scenario when only one unit is used. The approach of two units, that operate based on the available biogas inflow, has shown to be more efficient than using a single unit. Net GHG emissions are negative.

Keywords

organic waste; biogas; potential; cogeneration; GHG reduction

Hrčak ID:

139761

URI

https://hrcak.srce.hr/139761

Publication date:

15.6.2015.

Article data in other languages: croatian

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