Catalytic cracking of edible and non-edible oils for the production of biofuels

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2、ecomeanattractivealternativefuelbecauseoftheirpossibleenvironmentalbenefitsandthecurrentconcernoverthedepletionoffossilfuelsources.Thedemandforbiofuelswillriseinthefutureduetotheriseinthepriceoffossilfuel,energysecurityreasons,environmentalandeconomicalissues.Vegetableoilsarethemostcommonfeedstoc

3、ksandareconvertedintoliquidfuelsduetotheirhighenergydensity,liquidnatureandavailabilityasarenewablefeedstock.Severaltypesofvegetableoilswithadiversifiedcompositioninfattyacidscanbeused.Besideediblevegetableoils,non-edibleandusedcookingoilshavealsoreceivedconsiderableattentionbecausetheydonotcompe

4、tewithfoodsourcesandarelesscostlytoprocure.Besidevegetableoils,bio-oilobtainedfromthepyrolysisofbiomasshasalsobeenupgradedthroughcatalyticcrackingprocesstoobtainbiofuel.Catalyticcrackingisoneofthemostefficientmethodstoproducebiofuel,especiallybiogasoline,bycrackingofvegetableoilinthepresenceofsui

5、tablecatalyst.Thecatalyticcrackingofedibleandnon-edibleoilsrequiresthedevelopmentofpropercrackingcatalystsandreactorsfortheproductionofbiogasoline.Thepresentarticlesummarizesprogressinthedevelopmentofthetechnologyinbiofuelproductionviacatalyticcracking.Thepaperalsocoversthedifferenttypesoffeedst

6、ocksuitablefortheproductionofbiofuel,potentialcrackingcatalysts,catalyticcrackingmechanisms,differenttypesofcatalyticreactors,andbiofuelcharacteristics.Importantissueslikecatalystchoiceandreactordesignmustbeaddressedbeforecatalyticcrackingcanbecommerciallyimplemented.Thepaperalsopresentsthefutur

7、eprospectsofthistechnologyinbiorefineriesfortheproductionofbiofuels.DownloadedbyUniversityofFloridaon10March20111.Introductionenvironmentalawareness,andincreasingenergyconsumptionPublishedon02March2011onhttp://pubs.rsc.org

8、do