从芒果茎皮残渣中生产生物乙醇的工艺选择。
Process alternatives for bioethanol production from mango stem bark residues.
机构信息
Nanobioscience and Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, Coah., Mexico; Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología FEMSA, Monterrey, Mexico.
Nanobioscience and Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, Coah., Mexico; Cluster of Bioalcohols, Mexican Centre for Innovation in Bioenergy (Cemie-Bio), Mexico.
出版信息
Bioresour Technol. 2017 Sep;239:430-436. doi: 10.1016/j.biortech.2017.04.131. Epub 2017 May 3.
Three alternatives for bioethanol production from pretreated mango stem bark after maceration (MSBAM) were evaluated as a biorefinery component for the mango agroindustry. These included separate hydrolysis and fermentation (SHF), simultaneous saccharification and fermentation (SSF), and pre-saccharification followed by simultaneous saccharification and fermentation (PSSF). The effects on ethanol concentration, yield and productivity of pretreated MSBAM solids loading, Tween 20 addition, and temperature were used for process comparisons. The highest yields for the SHF, SSF, and PSSF process alternatives were 58.8, 81.6, and 84.5%, respectively. Since saccharification and fermentation are carried out in the same vessel in the SSF alternative, and no significant SSF and PSSF differences in ethanol concentration were observed, SSF is recommended as the best process configuration.
从浸渍后的芒果茎皮（MSBAM）中生产生物乙醇的三种替代方案被评估为芒果农业综合企业的生物炼制组件。这些方案包括单独的水解和发酵（SHF）、同时糖化和发酵（SSF）以及预糖化后同时糖化和发酵（PSSF）。预处理 MSBAM 固体负荷、吐温 20 添加和温度对乙醇浓度、产率和生产率的影响用于工艺比较。SHF、SSF 和 PSSF 工艺替代方案的最高产率分别为 58.8%、81.6%和 84.5%。由于 SSF 替代方案中的糖化和发酵在同一容器中进行，并且没有观察到 SSF 和 PSSF 在乙醇浓度方面的显著差异，因此推荐 SSF 作为最佳工艺配置。
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