利用离子液体(1-甲基咪唑硫酸氢盐)和真空蒸汽蒸馏从稻草中生产和回收呋喃化合物的系统

IF 2.2 3区 农林科学 Q2 FORESTRY
Kota Enomoto, Takashi Hosoya, Hisashi Miyafuji
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引用次数: 0

摘要

呋喃化合物(包括 5- 羟甲基糠醛和糠醛)可从生物质中合成,因其在生物燃料和树脂前体中的潜在应用而备受关注。本研究采用离子液体处理(特别是 1-甲基咪唑硫酸氢盐([MIM]HSO4))和真空蒸汽蒸馏相结合的方法,探索了从水稻秸秆中合成呋喃化合物。通过优化各种处理参数,我们确定了生产呋喃化合物的最佳条件:冷捕集器冷却温度为 - 196 ℃,系统压力为 10 hPa,处理温度为 180 ℃,反应持续时间为 30 分钟,样品负载量为 1wt%,粒度范围为 45-90 µm。在这些条件下,呋喃化合物的产率为 27.9%。此外,还对所使用离子液体的可回收性进行了评估。值得注意的是,即使经过四个循环(共包括五个反应),呋喃化合物的产率仍保持一致,这突出表明了离子液体再利用的可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Production and recovery system for furan compounds from rice straw using an ionic liquid (1-methylimidazolium hydrogen sulfate) and vacuum steam distillation
Furan compounds, including 5-hydroxymethylfurfural and furfural, can be synthesized from biomass and have garnered attention for their potential applications in biofuels and resin precursors. In this study, the synthesis of the furan compounds from rice straw was explored using a combined approach of ionic liquid treatment, specifically 1-methylimidazolium hydrogen sulfate ([MIM]HSO4), and vacuum steam distillation. Through the optimization of various processing parameters, we established that the best conditions for the furan compound production include: a cold trap cooling temperature of – 196 ℃, a system pressure of 10 hPa, a treatment temperature of 180 ℃, a reaction duration of 30 min, a sample loading of 1wt%, and a particle size range of 45–90 µm. Under these conditions, the resultant yield of the furan compounds was quantified at 27.9wt%. Additionally, the recyclability of the utilized ionic liquid was evaluated. Notably, even after four recycling cycles (encompassing a total of five reactions), the yield of the furan compounds remained consistent, underscoring the viability of ionic liquid reuse.
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来源期刊
Journal of Wood Science
Journal of Wood Science 工程技术-材料科学:纸与木材
CiteScore
5.40
自引率
10.30%
发文量
57
审稿时长
6 months
期刊介绍: The Journal of Wood Science is the official journal of the Japan Wood Research Society. This journal provides an international forum for the exchange of knowledge and the discussion of current issues in wood and its utilization. The journal publishes original articles on basic and applied research dealing with the science, technology, and engineering of wood, wood components, wood and wood-based products, and wood constructions. Articles concerned with pulp and paper, fiber resources from non-woody plants, wood-inhabiting insects and fungi, wood biomass, and environmental and ecological issues in forest products are also included. In addition to original articles, the journal publishes review articles on selected topics concerning wood science and related fields. The editors welcome the submission of manuscripts from any country.
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