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Production of ethylic biodiesel from microalgae and soybean: experimental analysis of the main steps, phase equilibrium and computational simulation

Grant number: 12/08792-0
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): November 01, 2012
Effective date (End): May 23, 2015
Field of knowledge:Agronomical Sciences - Food Science and Technology - Food Engineering
Principal Investigator:Antonio José de Almeida Meirelles
Grantee:Fábio Rodolfo Miguel Batista
Host Institution: Faculdade de Engenharia de Alimentos (FEA). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil


This project is linked to BIOEN thematic project titled "Phase Equilibrium and Purification Processes in the Production of Biofuels and Biocompounds" and aims to study a complete pathway for the production of ethylic biodiesel from soybean and microalgae. The biomass of microalgae has aroused great scientific interest as a raw material for biodiesel production due to the high oil content of some species, environmental issues associated with the CO2 capture by these microorganisms, and especially, because microalgae does not compete for land use with food production. Bioethanol will be used in different steps of the production process and its use will be investigated systematically to establish a complete renewable route for biodiesel production, reducing environmental impacts with the generation of waste. Ethylic alcohol will be applied as solvent for the extraction of vegetable and microalgae oils, as solvent for the crude oil deacidification by adsorption on ion exchange resin and alcohol reagent for the transesterification, being each step carefully studied. Liquid-liquid equilibrium of a large amount of mixtures present in the production process, involving biodiesel, oil, water, ethanol, fatty acids and fatty esters, will be studied experimentally in a wide temperature range and subsequently modeled theoretically. A special attention will be given to the purification and characterization of final products with a comparison between the biodiesel generated by the two sources of biomass. Finally, an optimization of the process as a whole will be conducted through computer simulation in order to make the process feasible in an industrial scale.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BATISTA, F. R. M.; LUCCHESI, K. W.; CARARETO, N. D. D.; COSTA, M. C. D.; MEIRELLES, A. J. A.. PROPERTIES OF MICROALGAE OIL FROM THE SPECIES Chlorella protothecoides AND ITS ETHYLIC BIODIESEL. Brazilian Journal of Chemical Engineering, v. 35, n. 4, p. 1383-1394, . (12/08792-0)
BATISTA, FABIO R. M.; FOLLEGATTI-ROMERO, LUIS A.; MEIRELLES, ANTONIO J. A.. A new distillation plant for neutral alcohol production. Separation and Purification Technology, v. 118, p. 784-793, . (09/54137-1, 12/08792-0, 08/56258-8)
DIAS, TELMA P. V. B.; FONSECA, LUCIANA A. A. P.; RUIZ, MAIRA C.; BATISTA, FABIO R. M.; BATISTA, EDUARDO A. C.; MEIRELLES, ANTONIO J. A.. Vapor-Liquid Equilibrium of Mixtures Containing the Following Higher Alcohols: 2-Propanol, 2-Methyl-1-propanol, and 3-Methyl-1-butanol. JOURNAL OF CHEMICAL AND ENGINEERING DATA, v. 59, n. 3, p. 659-665, . (09/54137-1, 12/08792-0, 08/56258-8)

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