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In this study, the production of bioethanol was evaluated through a series of saccharification and fermentation of lignocellulosic biomass (e.g., oak tree) pre-treated with H2SO4, NH3, or NaOH using a yeast (Pichia stipitis). In addition, it was investigated the effects of CO2 on pyrolysis of the biomass wastes remaining after saccharification of the three pre-treated oak tree (BWs: BW-H2SO4, BW-NH...
The sequential co-production of bioethanol and biodiesel from spent coffee grounds was investigated. The direct conversion of bioethanol from spent coffee grounds was not found to be a desirable option because of the relatively slow enzymatic saccharification behavior in the presence of triglycerides and the free fatty acids (FFAs) found to exist in the raw materials. Similarly, the direct transformation...
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