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Multi-scale structural and chemical analysis of sugarcane bagasse in the process of sequential acid–base pretreatment and ethanol production by Scheffersomyces shehatae and Saccharomyces cerevisiae

机译:连续裂变酸碱预处理和酿酒酵母和酿酒酵母过程中甘蔗渣的多尺度结构和化学分析

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摘要

BackgroundHeavy usage of gasoline, burgeoning fuel prices, and environmental issues have paved the way for the exploration of cellulosic ethanol. Cellulosic ethanol production technologies are emerging and require continued technological advancements. One of the most challenging issues is the pretreatment of lignocellulosic biomass for the desired sugars yields after enzymatic hydrolysis. We hypothesized that consecutive dilute sulfuric acid-dilute sodium hydroxide pretreatment would overcome the native recalcitrance of sugarcane bagasse (SB) by enhancing cellulase accessibility of the embedded cellulosic microfibrils.
机译:背景技术汽油的大量使用,燃料价格的迅速上涨以及环境问题为纤维素乙醇的开发铺平了道路。纤维素乙醇生产技术正在兴起,需要不断的技术进步。最具挑战性的问题之一是酶水解后木质纤维素生物质的预处理,以得到所需的糖收率。我们假设连续的稀硫酸-稀氢氧化钠预处理可以通过增强嵌入的纤维素微纤维的纤维素酶可及性来克服甘蔗渣(SB)的天然顽抗性。

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