OP-II-3

KN-6REACTOR MODELLING FOR THIRD GENERATION BIOFUELSPRODUCTIONGonzález A. 1 , Kafarov V. 1 , Guzman A. 21 Industrial University of Santander, Chemical Engineering Department,Calle 27 con Carrera 9 Bucaramanga, Colombia;2 Colombian Petroleum Institute ICP-ECOPETROLKm. 7 via Piedecuesta, Piedecuesta, Colombia;Tel +57 7 6344000 ext. 2603, e-mail: cisyc@uis.edu.coThird generation biofuels also called oilgae are based in emerging technologiesthat ensures high fuel production per area unit and lower production costs.Microalgae oil appears as a promising biodiesel source due to their oil content ismany times bigger than oil content of other vegetal sources currently used.Organosolv pretreatment of biomass, extraction and transesterification of microalgaloil are important steps in the biodiesel production chain, organosolv pretreatmenthelps to separate the strong bonds of the solid matrix making easier the release ofthe algal compounds and liberating cellulose for another uses, extraction methodgives in a great way a measurement of the total process efficiency, andtransesterification step contributes appreciably to the quality of the biodiesel and coproducts obtained due to the operating conditions of the reaction.This work shows the design of a multifunctional reactor for simultaneousmicroalgal biomass organosolv pretreatment, microalgal oil extraction andtransesterification of fatty acid ethyl esters followed by a separation of the productsand ethanol production from the cellulosic biomass pretreated, this design isproposed in order to contribute to the process integration; the multifunctional reactortakes advantage of the use of ethanol for organosolv pretreatment for break downthe lignin-carbohydrate complex present in the microalgae biomass, and the need ofthe presence of the same alcohol as a reagent for the transesterification process.Into the reactor, the algal biomass is mixed with ethanol and a potassium hydroxidesolution, the chemical process begins with the internal lignin, lignin-hemicellulose andglycosidic bonds are hydrolysis, followed by the degradation of the monosacharides,and the solvation and solubilization of the lignin residues, with this process, the oilpresent in the microalgal biomass is released, such as the another microalgaecomponents trapped in the cell wall like proteins, carotenoids and polymers. afterthat, the operating conditions are changed in order to start the transesterification32