Abstract
Ethanol production from bio-based materials is one of the most popular alternatives to gasoline due to its environmental and economic sustainability. In this study, an innovative process of 2 G ethanol production from Typha domingensis macrophyte was investigated. Experimental and literature data was used to develop a complete bioethanol production system design in Aspen Plus based on a two-stage saccharification pathway; both starch and cellulose fractions of feedstock are exploited for the production of fermentable sugars. A parametric analysis of different conceptual designs was performed in order to assess the most efficient scheme in terms of final product yield, self-sufficiency, operating expenses and environmental performance. Process simulations reveal that plant efficiency and bioethanol production yield can be quite high using this specific feedstock in an efficient way if aspects such as high solid concentration in starch and cellulose hydrolysis and C5 & C6 co-fermentation are taken into consideration.
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