Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8117030 | Renewable and Sustainable Energy Reviews | 2015 | 17 Pages |
Abstract
Interest is growing in the production of biohydrogen from algae through dark fermentation, as alternative to fossil fuels. However, one of the limiting steps of biohydrogen production is the conversion of polymeric carbohydrates into monomeric sugars. Thus, physical, chemical and biological pretreatments are usually employed in order to facilitate carbohydrates de-polymerization and enhancing biohydrogen production from algae. Considering the overall process, biohydrogen production through dark fermentation leads generally to negative net energy balances of the difference between the energy produced as biohydrogen and the direct ones (heat and electricity) consumed to produce it. Thus, to make the overall process economically feasible, dark fermentation of algae must be integrated in a biorefinery approach, where the outlets are valorized into bioenergy or value added biomolecules.The present study reviews recent findings on pretreatments and biohydrogen production through dark fermentation of algae looking at the perspectives of integrating side streams of dark fermentation from algal biomass, according to a biorefinery approach.
Keywords
OLRPolyhydroxyalkanoatesHydrogen producing bacteriaS/LLHWFHPBESAHPBMECPHAHRTMFCHMFVFAMacroalgaeBBDECePhotofermentationLiquid hot waterVolatile fatty acidsEnergy conversion efficiencybhpBiohydrogenDark fermentationchemical oxygen demandTotal solidsvolatile solidsResponse surface methodologyRSMMicroalgaehydraulic retention timeBiorefineryMicrobial fuel cellmicrobial electrolysis cellsBox–Behnken designMOWOrganic loading rateAnaerobic digestionPretreatmentCod
Related Topics
Physical Sciences and Engineering
Energy
Renewable Energy, Sustainability and the Environment
Authors
Cecilia Sambusiti, Micol Bellucci, Anastasia Zabaniotou, Luciano Beneduce, Florian Monlau,