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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/13578

Title: African perspectiveoncellulosicethanolproduction
Authors: CudjoeBensah, Edem
Kemausuor, Francis
Miezah, Kodwo
Kádár, Zsófia
Keywords: Lignocellulose
Cellulosic ethanol
Fermentation
Enzymatic hydrolysis
Issue Date: 2015
Abstract: A majorchallengetocommercialproductionofcellulosicethanolpertainstothecost-effective breakdownofthecomplexandrecalcitrantstructureoflignocelluloseintoitscomponentsvia pretreatment,thecostofenzymesforhydrolysisandfermentation,andtheconversionrateofC5 sugars toethanol,amongothers.Whiletheindustrializedandsomeemergingcountriesaregradually breaking groundsincellulosicethanol,mostAfricancountrieshavemadelittleeffortinresearchand development eventhoughthecontinentisrichinlignocellulosicbiomass.Thepaperestimatesresidues from widelyavailablecropsandmunicipalwasteanddeterminestheirrespectivetheoreticalethanol potential(around22billionlitresannually).Itfurtherreviewsstagesinvolvedintheproductionof cellulosic ethanol,focussingonprocessingmethodsthatcanbeadaptedtocurrentsituationinmost African countries.Thepapersuggeststhatresearchanddevelopmentshouldhighlightfavourable pretreatmentmethodssuchasextrusion,steaming/boiling,andchemicalmethodsemployinglime,KOH and crudeglycerol(frombiodieselproduction),aswellasthedevelopmentofcrudeenzymecomplexes from localmaterials.Thoughthefallingpriceofenzymesisimprovingeconomicproductionofethanol, advancementsinheterogeneouscatalytichydrolysiswillconsiderablyfavoureconomicproductionof ethanol inAfricaduetothepotentialofrecyclingandreusingsolidacidcatalysts.
Description: This article is published in Elsevier and also available at http://dx.doi.org/10.1016/j.rser.2015.04.059
URI: /10.1016/j.rser.2015.04.059
http://hdl.handle.net/123456789/13578
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