engleski

Mathematical modelling and mass transfer research in development of sustainable bioprocesses for production of biofuels

Nowadays, as prices of fuel and oil are higher every day, and fossil resources are scarce, good alternative are so called bio-fuels. Most interesting bio-fuel is ethanol.Problem with ethanol production is the price. Lowering the production cost is the main goal in the bio-fuel production. Integration of different technological operations has to be made in order to reduce production costs. Integrated bioprocess for ethanol production usually combines simultaneous extraction of sucrose from raw sugar beet cossettes, fermentation with a high sugar concentration tolerant strain of yeast Saccharomyces cerevisiae and ethanol recovery from fermented broth. In this research, integrated bioprocess system that combines vertical column bioreactor (filled with raw sugar beet cossettes) and stirred tank bioreactor was used for the study of simultaneous sucrose extraction from sugar beet cossettes and ethanol production.

mathematical modelling; sustainable development; ethanol; yeast

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