effect of pressure and temperature pretreatment on the biogas output from algal biomass

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 pre...

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Bibliographic Details
Published in:Environmental technology 2015-03, Vol.36 (6), p.693-698
Main Authors: Zieliński, Marcin, Dębowski, Marcin, Grala, Anna, Dudek, Magda, Kupczyk, Karolina, Rokicka, Magdalena
Format: Article
Language:English
Subjects:
Algae
algal biomass
Alternative energy sources
anaerobic fermentation
bioenergy
Biofuels
biogas
Biomass
bioreactors
Chlorella
Chlorella - metabolism
environmental technology
Fermentation
heat
methane
Methane - metabolism
Pressure
Scenedesmus
Scenedesmus - metabolism
Temperature
thermal pretreatment
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Summary: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.
ISSN:1479-487X
0959-3330
1479-487X
DOI:10.1080/09593330.2014.958543