New technology for biological production of oil-alternate fuel from organic waste

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Most of current industrial technologies have been based on petroleum consumption. If hydrocarbons, which are main components of the petroleum, could be biologically produced from renewable organic materials, we can expect to have environmentally compatible industrial systems. We found in this project a bacterium which convert starch and organic acids to hydrocarbon. Identification of the bacterial strain and chemical analysis of hydrocarbons produced were then carried out. Hydrocarbon production by using an organic waste was also attempted.1. Identification of the bacteriumThis bacterium was identified as Vibrio furnissii by 16S-rRNA analysis.2. Analysis of the hydrocarbon compositionThis bacterium produced hydrocarbons which corresponds to the light oil fraction of natural oil. They would be available as an oil-alternate fuel.3. Conversion of various substrates to the hydrocarbonVarious carbon sources (sugars, lipids, organic acids, alcohols) were converted to hydrocarbon. Yield and composition change of hydrocarbons were investigated4. The hydrocarbon production from organic wasteThe culture conditions were optimized for efficient production of hydrocarbons using molasses, one of the organic wastes abundantly found in our country