油性污泥与煤气化废渣通过催化性热解进行价值化
Lei Han1, Hai-Jie Hu2, Jia-Xuan Liu2
1School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China; Shaanxi Key Laboratory of Environmental Pollution Control Technology and Reservoir Protection of Oilfield, School of Chemistry and Chemical Engineering, Xi'an Shiyou University, Xi'an 710065, China.
煤气化废渣 (CGS) 有效催化油性污泥 (OS) 热解,将危险废物转化为有价值的甲,H2和液态碳化合物. 这种废物到资源的途径为管理能源行业副产品提供了一个有希望的解决方案.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
背景情况:
- 油污泥 (OS) 和煤气化渣 (CGS) 是能源行业大量的危险废物.
- 目前对这些废物的处理方法具有挑战性和低效.
研究的目的:
- 为了研究CGS对OS热解的催化作用.
- 为了优化产品分销的CGS与OS比率和温度.
- 了解CGS催化OS Pyrolysis所涉及的反应动力学和反应途径.
主要方法:
- 使用CGS作为固定床反应堆中的催化剂进行OS的热解.
- 不同的CGS与OS比率和温度 (400-800°C).
- 分析产品产量 (气体,液体) 和反应动力学,使用热重力学分析和主图分析.
主要成果:
- 煤气化粗渣 (CGCS) 和细渣 (CGFS) 均有效催化了OS热解.
- 观察到甲,H2和液态碳化合物的产量增加.
- 抑制了二氧化碳和含硫气体的形成.
- CGCS倾向于气体产品,而CGFS则加强了液态石油生产.
- 动力分析表明复杂的反应路径,激活能量变化取决于分数.
结论:
- CGS是OS热解的有效催化剂,可以同时利用废物.
- 该过程为能源行业副产品的管理提供了一个有希望的废物到资源的途径.
- 不同的CGS类型 (CGCS,CGFS) 为天然气或液体产品的生产提供了明显的优势.
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