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评估皮废物作为固体生物燃料:研究其燃烧行为,动力学和热力学
Mohamed Anwar Ismail1, Ibrahim Dubdub2, Suleiman Mousa2
1Mechanical Engineering Department, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia.
Polymers
|November 13, 2025
概括
皮 (LP) 显示出作为低排放生物燃料的显著能源潜力,因为其高加热值和低污染物. 然而,高灰含量带来了严重的渣风险,挑战了它的生存能力.
科学领域:
- 生物质能源转换生物质能源转换
- 废物材料的热化学处理.
- 可再生能源的研究.
背景情况:
- 农业废物利用对可持续能源至关重要.
- 皮 (LP) 具有作为生物燃料来源的潜力.
- 了解LP燃烧行为是能源应用的关键.
研究的目的:
- 为了全面分析皮的燃烧行为.
- 为了确定LP的物理化学特性和热重力学动力学.
- 评估LP作为低排放生物燃料的潜力.
主要方法:
- 物理化学表征 (近似的,最终的,FTIR,XRD,SEM).
- 在高加热速率 (20-80 K分钟-1) 下进行非异热热重力测量分析 (TGA).
- 动力学和热力学分析使用多种无模型和适合模型的方法.
主要成果:
- LP具有很高的加热值 (23.02 MJ kg-1) 和挥发物质 (73.2%).
- TGA揭示了四个分解阶段:脱水,pectin/hemicellulose,纤维素和红素/char.
- 动力分析表明D3的扩散机制和304kJmol-1的峰值激活能量.
结论:
- LP是一种有前途的低排放生物燃料,具有高能量含量和低N/S含量.
- 高灰度 (34.8重量%K2O) 具有显著的污风险.
- 详细的燃烧动态数据对于设计LP能量转换和灰管理技术至关重要.
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