在水平垂直脉冲板柱柱中,索特的平均直径和滴量分布行为
Fatemeh Ardestani1, Ahad Ghaemi2
1School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Narmak, Tehran, P.O. Box: 16765-163, Iran.
这项研究分析了L形脉冲板柱 (LPSPC) 中的滴滴大小分布,这对质量转移效率至关重要. 新的相关性准确地预测了Sauter的平均直径和滴量分布,改善了提取柱的设计.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 分离过程 分离过程.
- 质量转移是指质量转移.
背景情况:
- L型脉冲板柱 (LPSPC) 通过将垂直和水平截面相结合,提高了提取柱的效率.
- 滴滴大小,以索特平均直径 (SMD) 和滴滴大小分布 (DSD) 为特征,严重影响提取柱中的水力动力学和质量转移.
研究的目的:
- 在各种化学系统和操作条件下,研究LPSPC中SMD和DSD的行为.
- 在LPSPC中开发SMD和DSD的预测性半实证相关性.
主要方法:
- 在LPSPC中使用四种化学系统对SMD和DSD的实验研究.
- 评估操作参数:脉冲强度,分散和连续相位流量.
- 对SMD的界面张力和TBP百分比影响的分析.
- 开发和验证SMD和DSD预测的半经验相关性,使用分布函数 (正常,日志-正常,韦布尔,玛).
主要成果:
- 开发了SMD预测的半经验相关性,平均绝对相对误差 (AARE) 低,为6.95% (水平) 和8.29% (垂直).
- 提出了DSD预测的新相关性,正常,韦布尔和日志正常模型显示可接受的准确性.
- 确定了影响SMD和DSD的操作参数和化学系统特性.
结论:
- 开发的相关性为LPSPC中的SMD和DSD提供了准确的预测,有助于过程设计和优化.
- 该研究表明,滴滴特性对于L形脉冲板柱的有效质量转移的重要性.
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