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Abstract
This paper presents data on methane fermentation of algal biomass containing Chlorella sp. and Scenedesmus sp. The biomass was obtained from closed-culture photobioreactors. Before the process, the algae were subjected to low temperature and pressure pretreatment for 0.0, 0.5, 1.0 and 2.0 h. The prepared biomass was subjected to mesophilic methane fermentation. The amount and composition of the biogas formed in the process were determined. The amount of biogas produced was larger when the biomass was subjected to thermal preprocessing. The proportion of methane in the gas also increased. Extending the heating time beyond 1.0 h did not significantly improve the biogassing effects.
Acknowledgements
The presented work has been done for the project keyword: ‘Model complexes as an example of cogeneration agro-energetic distributed based on local and renewable energy sources’, no POIG.01.01.02-00-016/08, implemented under the Operational Programme Innovative Economy 2007–2010. This project is financed by European Union funds (European Regional Development Fund).