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Energy Balance of Small-scale Biorefinery System

机译:小规模生物填充系统的能源平衡

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摘要

In this study, small-scale bioethanol production from rice straw was demonstrated with a pilot plant. It combined with rice husk carbonization process which equipped a heat-recovery boiler to generate steam. By simultaneous saccharification and fermentation, 24.8 kg ethanol was produced in the fermentation broth from 99.6 kg of alkali-pretreated rice straw, and then 19.6 kg ethanol was recovered by distillation. It was shown that around 69% of total energy required (except for rice straw-derived energy) for bioethanol production process (from cutting to distillation) was covered by the heat recovered from the carbonization. A concept of small-scale biorefinery which combines bioethanol process and charcoal production for efficient energy use was successfully demonstrated.
机译:在这项研究中,用一家试验厂证明了从稻草中生产的小规模生物乙醇。 它与稻壳碳化工艺结合在一起,该工艺配备了热恢复锅炉来产生蒸汽。 通过同时进行糖化和发酵,从99.6千克碱性化的稻草中生产了24.8 kg乙醇,然后通过蒸馏回收19.6 kg乙醇。 结果表明,从碳化中回收的热量涵盖了生物乙醇生产过程(从切割到蒸馏)所需的总能量(除稻草衍生的能量除外)(从切割到蒸馏)。 成功证明了一个结合生物乙醇工艺和木炭生产以进行有效的能源利用的小型生物融资的概念。

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