一种基于逆流色谱中不完整混合细胞的建模方法:相间质量转移比率
Haijun Chen1, Shunjie Zhang2, Jiayi Chen3
1School of Mechanical Engineering, Sichuan University, Chengdu, 610065, PR China; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, 644000, PR China.
反流色谱 (CCC) 的性能受到低相间质量转移效率的限制. 一个新的模型和算法揭示了这一局限性,为提高CCC列效率提供了见解.
科学领域:
- 染色体学 染色体学 是一种染色学.
- 化学工程是化学工程的重要组成部分.
- 分离科学 分离科学
背景情况:
- 反流色谱 (CCC) 的性能受到复杂的质量转移过程的重大影响.
- 优化CCC需要更深入地了解化过程中相间质量转移效率.
研究的目的:
- 开发一个模型来准确估计CCC中相间质量转移效率.
- 为计算相间质量转移比率 (IMTR) 提出一个快速算法.
- 调查影响IMTR的因素及其与CCC柱效率的关系.
主要方法:
- 开发一个不完整的混合细胞模型,包括分层-混合-分层和波形混合.
- 实现了相间质量转移比率 (IMTR) 的快速估计算法.
- 在各种操作条件下对IMTR的实验分析及其与影响因素的相关性.
主要成果:
- 拟议的模型和算法准确地估计了相间质量转移效率.
- 实验结果显示IMTR值较低 (平均值≤10%),表明CCC柱效率的关键因素是相间质量转移效率较低.
- 发现IMTR与理论板和静止相保留 (Sf) 有正相关,与不完整的混合细胞 (n) 有负相关.
结论:
- 低的相间质量转移效率是CCC性能的主要限制.
- IMTR作为一个有价值的指数,用于评估CCC柱效率和理解质量转移机制.
- 为实验设计提供了建议,以隔离相间质量转移对CCC效率的影响.
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