混合冷却CO2分离过程中膜的多目标优化,用于燃煤发电厂
Nandakishora Yerumbu1, Ranjit Kumar Sahoo2,3, Murugan Sivalingam2
1Department of Mechanical Engineering, National Institute of Technology, Rourkela, India. nandakishora1992@gmail.com.
Environmental science and pollution research international
|September 27, 2023
概括
优化膜的二氧化碳 (CO2) 捕获在一个组合的膜-冷蒸过程中提高效率. 这项研究实现了高二氧化碳的纯度和回收,而能源损耗最小.
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:
- 燃烧后的二氧化碳 (CO2) 捕获对于减轻化石燃料发电厂的温室气体排放至关重要.
- 将膜分离和冷蒸相结合,为有效的二氧化碳捕获提供了协同效应的优势.
- 优化膜性能是提高集成工艺的关键.
研究的目的:
- 为了优化空心纤维膜的性能,用于组合膜-化蒸工艺.
- 开发和模拟燃烧后二氧化碳捕获的综合工艺.
- 为了实现高CO2纯度和回收,同时最大限度地减少能源消耗.
主要方法:
- 使用Aspen Plus的过程模拟,通过COM技术与自定义的MATLAB膜模型集成.
- 使用MOJAYA算法优化膜模块规格 (长度,纤维数量,压力).
- 分析工艺性能,包括二氧化碳的纯度,回收和能源罚款.
主要成果:
- 确定了优化的空心纤维膜模块规格.
- 综合工艺实现了99.8%的CO2纯度和90%的CO2回收.
- 记录了大约1.74 MJ/kg CO2 的能量损失.
结论:
- 优化的膜化蒸工艺与现有方法相比,表现出优越的性能.
- 这种方法为燃烧后的二氧化碳捕获提供了高效的解决方案.
- 该研究为设计先进的碳捕获技术提供了宝贵的见解.
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