废弃燃料的热解/非热等离子/催化处理,用于升级的石油和天然气生产
Maryam Khatibi1, Mohamad A Nahil1, Paul T Williams1
1School of Chemical & Process Engineering, University of Leeds, Leeds, LS2 9JT UK.
Waste and biomass valorization
|June 20, 2025
概括
使用非热等离子体和催化剂的新型热解过程有效地升级了废物衍生燃料 (RDF) 生物油. 这种方法显著地去氧化了石油,从城市固体废物 (MSW) 产生了有价值的气体和更清洁的燃料.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 来自城市固体废物 (MSW) 的废弃物衍生燃料 (RDF) 产生了由于高氧,酸度和粘度而不适合直接使用的生物油.
- 升级RDF生物油对于其在传统燃烧系统中使用至关重要.
- 现有的升级方法往往需要恶劣的条件或是低效的.
研究的目的:
- 开发和评估一种新的工艺,将热解与非热等离子体和催化剂相结合,用于RDF升级.
- 在各种催化条件下研究脱氧效率和产品产量 (生物油和气体).
- 分析非热等离子体和不同催化剂 (TiO2,MCM-41,ZSM-5,Al2O3) 之间的协同效应.
主要方法:
- 来自RDF热解的挥发物被直接输入非热等离子/催化反应器.
- 用和没有催化剂进行了实验,以评估仅等离子体和等离子体催化作用.
- 对产品油气进行了详细的分析,涉及工艺条件和催化剂类型.
主要成果:
- 仅非热等离子体就显著降低了生物油的氧含量,并增加了CO/CO2产量,证实了脱氧.
- 催化剂MCM-41和ZSM-5,与等离子体协同作用,产生了最高的CO,CO2和H2.
- 减少氧化油产量的催化剂排名:MCM-41 < ZSM-5 < TiO2 < Al2O3.3.
结论:
- 结合的非热等离子和催化工艺通过脱碳和脱碳化有效地去氧化RDF热解挥发物.
- 血产生的基因和催化剂之间的协同作用增强了升级过程.
- 这种新的方法为从MSW中生产更清洁的生物油和有价值的气体提供了一个有希望的途径.
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