Abstract
The use of alternative fuels for the mitigation of ecological impacts by use of diesel has been focus of intensive research. In the present work, algal oils extracted from cultivated biomass of Cladophora sp., Spirogyra sp. and Oedogonium sp. were evaluated for the lipase-mediated synthesis of fatty acid monoalkyl esters (FAME, biodiesel). To optimize the transesterification of these oils, different parameters such as the alkyl group donor, reaction temperature, stirring time and oil to alcohol ratio were investigated. Four different alcohols i.e. methanol, ethanol, n-propanol and n-butanol were tested as alkyl group donor for the biosynthesis FAME and methanol was found to be the best. Similarly, temperature 50 C and stirring time of 6 h were optimized for the transesterification of oils with methanol. The maximum biodiesel conversions from Cladophora (75.0%), Spirogyra (87.5%) and Oedogonium (92.0%) were obtained when oil to alcohol ratio was 1: 8.
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Published in Russian in Prikladnaya Biokhimiya i Mikrobiologiya, 2014, Vol. 50, No. 1, pp. 80–84.
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Haq, I., Muhammad, A. & Hameed, U. Comparative assessment of Cladophora, Spirogyra and Oedogonium biomass for the production of fatty acid methyl esters. Appl Biochem Microbiol 50, 69–72 (2014). https://doi.org/10.1134/S0003683813060094
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DOI: https://doi.org/10.1134/S0003683813060094