生物质成分变化的影响,通过热化学过程产生的碳特性和产量
Emanuel-Gheorghita Armanu1, Marius Sebastian Secula1, Bogdan-Marian Tofanica1
1Faculty of Chemical Engineering and Environmental Protection "Cristofor Simionescu", "Gheorghe Asachi" Technical University of Iasi, 700050 Iasi, Romania.
Polymers
|August 29, 2024
概括
生物质的组成在热化学转化过程中显著影响煤炭产量和质量. 了解这些关系可以为特定应用程序定制生物质转化过程.
科学领域:
- 生物质的转化和利用.
- 热化学处理的纤维素材料的热化学处理.
- 生物炭的生产和表征.
背景情况:
- 生物质原料的变化对一致的热化学转化提出了挑战.
- 优化煤炭产量和性能需要详细了解生物质成分.
- 目前的知识缺口存在于将特定的聚合物组件与碳的特征相关联.
研究的目的:
- 研究生物质聚合物组成和热化学转化结果之间的关系.
- 描述不同生物质原料的煤炭产量和特征.
- 推进生物质转换过程的定制化.
主要方法:
- 对杉树皮,小麦和葡萄树芽进行近似,最终和生物化学分析.
- 微量元素分析和热分析 (热重力测量分析).
- 福里埃变换红外光谱学和扫描电子显微镜用于组成和结构特征.
主要成果:
- 生物质的聚合物组成直接影响煤炭产量和质量.
- 富含半纤维素的小麦,适合用于水热碳化.
- 葡萄树中的纤维素含量表明,与小麦相比,在热解过程中碳炭形成的质量更高.
结论:
- 焦炭产量是可预测的,并且严重依赖于原料的聚合物组成.
- 素是松树皮和小麦草中焦炭形成的主要因素.
- 纤维素和二次素是葡萄树枝中炭化物形成的关键因素.
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