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Influence of Biomass Pretreatment Process Time on Furfural Extraction from Birch Wood

机译:生物质预处理时间对桦木糠醛提取的影响

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Furfural is a biomass derived-chemical that can be used to replace petrochemicals. In this study, dilute sulphuric acid hydrolysis was used for hemicelluloses secession from birch wood. The reaction was investigated at different biomass treatment times (10-90 min, increasing it by 10 min). We found that the greatest amount of furfural 1.4-2.6%, which is 9.7-17.7% from theoretical possible yield, was formed in the first 30 min of the beginning of birch wood pentoses monosaccharide dehydration, but the greatest yield of furfural 10.3%, which is 70.0% from the theoretical yield, can be obtained after 90 min. Given that furfural yield generally does not exceed 50% from the theoretical amount, the result can be considered as very good.
机译:糠醛是生物质衍生的化学品,可用于替代石油化工产品。在这项研究中,稀硫酸水解被用于桦木的半纤维素分离。在不同的生物量处理时间(10-90分钟,将其增加10分钟)下研究了反应。我们发现,在桦木戊糖单糖脱水开始的前30分钟内,形成了最大量的糠醛1.4-2.6%,是理论上可能的产率的9.7-17.7%,但是糠醛的最大产率为10.3%, 90分钟后即可获得理论收率的70.0%。由于糠醛的收率通常不超过理论量的50%,因此可以认为结果非常好。

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