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Updated: Jul 29, 2026

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Pretreatment of Lignocellulosic Biomass with Low-cost Ionic Liquids
Published on: August 10, 2016
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用素稳定策略进行素纤维素生物质预处理,并将价值化转化为多用途分离
Yufei Fan1, Hairui Ji1, Xingxiang Ji1
1Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, State Key Laboratory of Biobased Material and Green Papermaking, Faculty of Light Industry, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
International journal of biological macromolecules
|January 6, 2024
概括
这项研究引入了一种使用p-toluenesulfonic acid (p-TsOH) 和glyoxylic acid (GA) 的新型林氏纤维素生物质预处理方法. 这一过程有效地将生物质分解成有价值的产品,如防晒,单体,毛皮和纸张组件.
科学领域:
- 生物质价值化和可再生化学生产.
- 可持续化学和绿色工程.
- 材料科学和纳米技术.
背景情况:
- 红纤维素生物质是可持续化学品和产品制造的关键可再生资源.
- 生物质成分的高效分化对于最大限度地提高其价值至关重要.
- 现有的预处理方法经常面临可回收性和产品降解方面的挑战.
研究的目的:
- 开发一种多用途的生物质分化策略,使用可回收的酸和木质素稳定剂.
- 将所有主要的生物质成分提升为高价值产品.
- 证明拟议的预处理用于生产功能材料和化学品的可行性.
主要方法:
- 使用的p-toluenesulfonic acid (p-TsOH) 水溶液作为可回收的酸水中基因,用于化物提取.
- 采用氧酸 (GA) 来稳定提取的木质素.
- 研究了素的去聚合成芳香单体的过程.
- 通过直接加热预处理液体将单糖转化为furfural.
- 评估葡萄糖的酶性水解用于糖化.
- 评估预处理基板对于造纸的适用性.
主要成果:
- 使用80重量%的p-TsOH与80°C的GA在15分钟内达到83.0%的红素溶解.
- 在防晒中加入4重量%的素纳米球,SPF从15增加到59.94.4.
- 通过脱聚合,获得84.2%的高素油产量.
- 从没有酸催化剂的单糖中达到53.7%的furfural产量.
- 通过增强的酶性水解实现了98.4%的葡萄糖糖化产量.
- 生产的造纸纸具有改善的撕裂和拉伸强度指数 (分别增加5.3%和25.4%),当加入15%的纤维时.
结论:
- 开发的预处理策略可以有效和可回收的分成石纤维素生物质.
- 这种方法成功地将生物质提升为各种高价值产品,包括用于防晒的功能化木质素,芳香单体,furfural和增强型纸制品.
- 该研究为全面利用生物质和可持续化学品生产提供了可行的途径.
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