Novel Heat-Integrated Hybrid Distillation and Adsorption Process for Coproduction of Cellulosic Ethanol, Heat, and Electricity from Actual Lignocellulosic Fermentation Broth

Cellulosic ethanol (CE) can not only be produced from a nonedible, cheap, and abundant lignocellulose feedstock but also reduce carbon footprint significantly compared to starch ethanol. Despite great stimulation worldwide, CE production has yet commercialized because of the complexity lignocellulose. Therefore, intensive research development are needed improve technologies. In this study, cost-efficient sustainable design was proposed for coproduction CE, heat, electricity actual lignocellulosic fermentation broth. First, conventional process based on hybrid distillation adsorption (HDA) simulated optimized. Subsequently, various heat integrated (HI) techniques such as pump (HP), multi-effect (MED), combined HP-MED were evaluated process. The power (CHP) that utilized combustible solids beer stillage designed with Structural alternatives assessed both economic environmental impacts. results show HI-HDA save 36.9% 33.6% total annual costs footprint, respectively, process, recovery self-efficient in energy CHP generate 12.0% more than