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Optimising fermentation

机译:优化发酵

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First-generation ethanol production has exhibited stable compounded annual growth for the last two decades, exemplified by the tenfold growth in production and fourfold expansion of production plants in the US, and primarily prompted by a sharp increase in oil prices during the first decade. By the middle of that decade, the world turned its attention towards cellulosic biofuels, due to large-scale availability of low-cost and sustainable cellulosic biomass, and claims that the technology was ready for investment and large-scale commercial operation. Ten years later, commercial large-scale plants have been developed and investments into cellulosic ethanol production are actively evaluated, primarily driven by either voluntary or mandated targets of lower greenhouse gas emissions, as well as technology advancements in enzyme and fermentation technology, of which the latter is discussed in this article.
机译:在过去的二十年中,第一代乙醇的生产呈现出稳定的复合年增长率,在美国,生产增长了十倍,生产工厂扩大了四倍,这主要是由于前十年石油价格的急剧上涨所致。到那个十年中期,由于低成本和可持续的纤维素生物质的大规模供应,世界将注意力转向了纤维素生物燃料,并声称该技术已准备好进行投资和大规模的商业运营。十年后,已经开发出商业化的大型工厂,并积极评估纤维素乙醇生产的投资,这主要是由自愿或强制性降低温室气体排放的目标以及酶和发酵技术的技术进步推动的,其中包括本文讨论了后者。

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