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In this study a number of different process flowsheets were generated and their feasibility evaluated using simulations of dynamic models. A dynamic modeling framework was used for the assessment of operational scenarios such as, fed-batch, continuous and continuous with recycle configurations. Each configuration was evaluated against the following benchmark criteria, yield (kg ethanol/kg dry-biomass), final product concentration and number of unit operations required in the different process configurations. The results show that simultaneous saccharification and co-fermentation (SSCF) operating in continuous mode with a recycle of the SSCF reactor effluent, results in the best productivity of bioethanol among the proposed process configurations, with a yield of 0.18 kg ethanol/kg dry-biomass.
Original languageEnglish
JournalBioresource Technology
Publication date2011
Volume102
Issue2
Pages1174-1184
ISSN0960-8524
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 9

Keywords

  • Process configuration, Dynamic models, SSCF, Hydrolysis and co-fermentation, Bioethanol
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