Analysis of Potential of High Quality Biodiesel Production from Microalgae
Dutta, S., Neto, F., Coelho, M.C., Gonçalves, P.P., Silva, V.S., Kopyl, S., Soares, N., Gracio, J., Sousa, A.C.M.
Biodiesel fuel has received considerable attention in recent years, as it is a biodegradable, renewable and non-toxic fuel. In the present work we investigated the potential of the biodiesel produced from microalgae Chlorella vulgaris grown in laboratory conditions to be further explored as mass production. Initially, lipids were extracted from microalgae, and then lipid samples were converted to fatty acid methyl esters by a reaction of transesterification. In our work the wet extraction procedure as a modification of method by Bligh and Dyer (1959) was used to extract the lipid in micro algal cells. Biodiesel quality was tested according to the standard UNE-EN 14214, 2003. Within EN 14214, method EN 14103 specifies the fatty acid methyl ester and linolenic acid methyl ester content, which is used to profile the vegetable or animal oil feedstock used in biodiesel production. The FAME analysis was carried out with a split injection into an analytical column with polar stationary phase and an FID detector. The configuration used here is Varian 3800 Gas Chromatograph (GC), fitted with a capillary injector and FID. An analysis based on the fatty acid methyl ester, composition of saturated and unsaturated methyl esters, linolenic acid methyl ester content and iodine value predicts the critical parameters and the overall potential of the biodiesel. It was concluded that the quality of biodiesel strongly depends on the growing process that should be optimized to enhance the mass production.
biodiesel, microalgae, lipid content, wet extraction
Algae and novel crops
19th European Biomass Conference and Exhibition
822 - 824
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