试点规模的碳捕获在一个热管互冷的旋转包装床
James R Hendry1, Jonathan G M Lee1
1School of Engineering, Merz Court, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K.
概括
这项研究展示了一种用于碳捕获的新型内部冷却旋转包装床 (RPB) 设计. 增强的RPB显著提高了二氧化碳吸收效率,减少了工艺能源罚款和设备尺寸.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 碳捕获技术的技术
- 过程强化 过程强化
背景情况:
- 旋转包装床 (RPB) 和高度胺为降低碳捕获成本提供了潜力.
- 通过间冷却去除反应热对于全面的二氧化碳吸收过程至关重要.
- 传统的RPB在处理反应热方面存在局限性,阻碍了工艺效率.
研究的目的:
- 为了评估一款用于强化碳捕获的新型间冷RPB转子设计的性能.
- 通过实验证明集成热热管和可变面积包装的好处.
- 根据操作参数,开发气体侧质量转移系数 (Kgae) 的相关性.
主要方法:
- 试点规模的实验是使用一种新型的内部冷却RPB转子进行的.
- 该设计包含了热热管和可变面积的包装,以增强热量和质量转移.
- 测量主要集中在不同旋转速度和液体流速下的气体侧总体质量转移系数 (Kgae).
主要成果:
- 这种新的间冷式RPB设计显示出显著的性能优势.
- 对Kgae建立了相关性,表明其依赖于旋转速度和液体流量.
- 与传统的RPB设计相比,Kgae的性能得到了130%的改进.
结论:
- 相互冷却的RPB设计为强化碳捕获过程提供了可行的解决方案.
- 这项技术有效地解决了反应热的挑战,使二氧化碳吸收更有效.
- 实验验证证证实了间冷式RPB在工业应用中的实质性优势.
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