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生物质的氧燃料燃烧动力学:来自多加热率实验和动力学分析的见解

Dawei Guo¹, Dongdong Feng¹, Haowei Sun¹

¹School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China.

Bioresource technology

|November 5, 2025

概括

生物质氧燃料燃烧加速生物炭反应速率,与空气燃烧相比,减少了激活能量. 这项研究为开发绿色甲醇生产技术提供了关键的动力学数据.

科学领域:

* 化学工程化学工程
* 燃烧科学燃烧科学
*可再生能源可再生能源

背景情况:

*生物质氧燃料燃烧对于绿色甲醇生产和碳中和性至关重要.
* 动力数据不足阻碍了生物质氧燃料燃烧过程的优化.
*了解燃烧动力学对于高效和可持续的能源转化至关重要.

研究的目的:

* 在不同的加热条件下研究典型生物质的氧燃料燃烧动力学.
* 为了确定生物炭和挥发物质燃烧的动力参数 (激活能量,反应顺序).
*为生物质氧燃料燃烧技术的进步提供必要的数据.

主要方法:

*热重力测量分析 (TGA) 用于缓慢加热速度的动力学.
* 微流化床反应器用于快速加热速率动力学.
*动力分析以确定激活能量和反应顺序.

主要成果:

*氧燃料燃烧加速了生物炭反应速度,与空气燃烧相比,激活能量减少.
* 在缓慢加热下,玉米生物炭和大米生物炭的激活能量分别减少了13.08 kJ/mol和8.79 kJ/mol.
* 在快速加热下,挥发性释放的激活能量为74.76 kJ/mol (玉米) 和85.66 kJ/mol (米),米生物炭激活能量下降更为明显.

结论:

*生物质氧燃料燃烧为绿色甲醇生产提供了可行的途径.
* 在缓慢和快速加热速度下的动态数据对于全面理解至关重要.
*本研究提供了关键的动力学数据,以支持生物质氧燃料燃烧应用的发展.

关键词:

激活能量是什么激活能量是什么生物质是生物质中的一部分.动力学动力学动力学氧气燃料燃烧的燃烧方式

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