The objectiveofthisworkistoprovideacomprehensivestudyonalgalbiomassasfeedstockforbiogas
production. Algae-derivedbiofuelsareseenasoneofthemostpromisingsolutionstomitigateclimate
change andasalternativetofastdepletingoffossilfuelsandoilreserves.Microalgaeandmacroalgae
underwent anintenseacademicandindustrialresearch,thankstotheircapabilitytoovercomethe
drawbacksrelatedtothe first andsecondgenerationsofbiomassresources.Majoradvantagesofalgae
are: nocompetitionwithfoodcropsforarableland,highgrowthrates,lowfractionsofligninwhich
reduces theneedforenergy-intensivepretreatmentandcompatibilitywithbiorefinery approach
implementation. However,somedisadvantagessuchasthepresenceofhighwatercontent,seasonal
chemical compositionandtheoccurrenceofinhibitoryphenomenaduringanaerobicdigestion,make
algal biofuelsnotyeteconomicallyfeasiblealthoughtheyaremoreenvironmentfriendlythan
fossil fuels.