Gas Holdups of Small and Large Bubbles in a Large-scale Bubble Column with Elevated Pressure

被引：0
|
作者：
JIN Hai-bo **
机构：
来源：
ChemicalResearchinChineseUniversities | 2004年 / 04期
关键词：
Bubble column; Elevated pressure; Large bubble; Small bubble; Holdup;
D O I：
暂无
中图分类号：
TQ02 [化工过程（物理过程及物理化学过程）];
学科分类号：
081701 ; 081704 ;
摘要：
Gas holdups of large bubbles and small bubbles were measured by means of dynamic gas disengagement approach in the pressured bubble column with a diameter of 0.3 m and a height of 6.6 m. The effects of superficial gas velocity, liquid surface tension, liquid viscosity and system pressure on gas holdups of small bubbles and large bubbles were investigated. The holdup of large bubbles increases and the holdup of small bubbles decreases with an increase of liquid viscosity. Meanwhile, the holdup of large bubbles decreases with increasing the system pressure. A correlation for the holdup of small bubbles was obtained from the experimental data.
引用
收藏
页码：462 / 465
页数：4
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