卡特废物的热解与煤炭:实验和阿斯加分析分析
Geleta Afessa Moreda1, Debela Alema Teklemariyem2, Sorome Deresa Tolasa1
1Department of Mechanical Engineering, College of Engineering and Technology, Dambi Dollo University, Dambi Dollo, Ethiopia.
Heliyon
|December 6, 2024
概括
卡特废物显示出作为生物燃料来源的前景,热解优化了其能源潜力. 这项研究详细介绍了其性能和热行为,以有效生产生物燃料.
科学领域:
- 生物质能源是生物质的能源.
- 可再生能源是可再生的能源.
- 废物转化为能源的技术.
背景情况:
- 生物质是重要的可再生能源,特别是在埃塞俄比亚等发展中国家的农村地区.
- 哈特废物是一个未充分利用的资源,具有减少废物和减少二氧化碳排放的潜力.
- 了解生物质的特性对于开发有效的生物燃料生产方法至关重要.
研究的目的:
- 研究用于生物燃料的Khat废物的物理和火溶性质.
- 用热重力度分析 (TGA) 和衍生热重力度分析 (DTGA) 分析哈特废物的热分解行为.
- 使用Aspen Plus软件建模热解过程,并评估加热速度对产品产量的影响.
主要方法:
- 哈特废物的物理性质分析 (水分,灰,挥发物质,固定碳,元素组成).
- 热重力测量分析 (TGA) 和衍生热重力测量分析 (DTGA) 用于研究热分解.
- 福里埃变换红外光谱 (FTIR) 用于功能组识别.
- 阿斯Plus模拟以模拟热解和优化加热速度.
主要成果:
- 在热解后,Khat废物的表面密度为0.9688g/cm3.
- TGA显示了水分损失 (6.7%),挥发物质 (4.7%),固定碳 (6.78%) 和灰 (5.55%).
- 观察到独特的热行为,分解峰值约为100°C,210°C和更高的温度.
- FTIR确定了对生物燃料特征重要的基和O-H键.
- 阿斯普拉斯模拟表明,较高的加热速度减少了挥发性物质和水分,但增加了固定碳.
结论:
- 卡特废物是生产生物燃料的可行原料.
- 热解条件,特别是加热速度,显著影响生物燃料组件的产量.
- 定制的热解策略对于最大限度地提高Khat废物作为生物燃料来源的效率至关重要.
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