为高性生物质的价值化而进行烧烤和浸的预处理序列:专注于元素迁移,矿物质演化,碳结构和烧烤机制
Bowen Li1, Junling Du2, Rui Diao1
1School of Mechanical Engineering, Hefei University of Technology, Hefei, Anhui 230009, PR China.
Bioresource technology
|November 16, 2025
概括
预处理序列显著影响高性生物质的升级. 化除通过去除和土金属 (AAEMs) 来增强炭的芳香度和固定碳,为生物质价值化提供了一条战略途径.
科学领域:
- 生物质的价值化和升级.
- 生物质的热化学转换.
- 材料科学与工程 材料科学与工程
背景情况:
- 升级高性生物质由于和土金属 (AAEMs) 的影响而带来挑战.
- 预处理步骤的顺序,特别是烧焦和浸,极大地影响了生物质的煤炭特性.
- 了解有机结构和无机分布之间的相互作用对于优化生物质转化至关重要.
研究的目的:
- 调查烤-洗预处理序列对草衍生炭的影响.
- 从有机和无机的角度阐明AAEMs在生物质烧焦和炭形成中的作用.
- 提出一个优化的预处理策略,以提升高性生物质的价值.
主要方法:
- 对浸出-torrefaction和torrefaction-leaching路径进行比较分析.
- 煤炭结构和物理化学性质的表征.
- 在预处理过程中对矿物转化和无机分布的研究.
主要成果:
- 浸出-化路径抑制了脱氧和脱氧化,从而产生更高的产量和氧含量.
- 化-出途径通过分子内脱氧和芳香化增强挥发性物质的释放和固定碳的形成.
- 内源性AAEMs催化纤维素,半纤维素和素分解,以牺牲产量而增加香味性.
- 预处理序列改变无机矿物质的形式,促进转化到离子可交换状态.
结论:
- 化-化路径在高性生物质价值化方面具有战略优势.
- 这一途径促进了挥发性物质转化为固定碳,并增强了炭的芳香性.
- 这些发现为生物质的可扩展和可持续的工业应用提供了可行的方法.
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