電解質特性이 氣體滯留量과 軸方向混合에 어떠한 影響을 미치는지에 關하여 考察하였다. 實驗은 直徑이 5.4㎝인 氣泡塔에서 1.3∼9.7㎝/sec의 氣體流速範圍와 0.5∼2.1㎝/sec의 液體流速範圍에서 행하여졌다. 0.001N∼0.1N로 變化시킨 電解液에서 電解液의 特性을 나타내는 이온세기와 氣體流速 및 液體流速으로 氣體滯留量을 나타내었다. 한편, 層流範圍와 亂流範圍의 各 흐름영역에서 混合程度와 그 傾向은 상당한 차이를 나타내는데 層流領域에서 亂流範圍로 벗어나는 대략적인 氣體의 轉移速度는 最小相對速度로무터 決定할 수 있으며, 이 轉移速度도 또한 이온세기로 相關지어 나타내었다.

Gas hold-up and liquid phase axial dispersion coefficient have been measured in a bubble column of 5.4㎝ diameter in which ionic solutions(in the range of concentration of 0.001N to 0.1N) were employed in order to determine the effects of ionic strength on the objective parameters. The gas velocity corresponding to minimum relative velocity is important in determining the ultimate bubbly flow regime, which is transited to turbulent flow. This transition gas velocity, V_(gt), is correlated with ionic strength of electrolytes. Effects of gas velocity(1.3∼9.7㎝/sec), liquid velocity(0.5∼2.1㎝/sec) and especially ionic strength on axial dispersion of liquid and gas phase hold-up are determined. In the turbulent flow regime, the dispersion coefficient was found to be strongly affected by gas and liquid velocity, however, in the case of bubbly flow regime, the coefficient was not much affected by fluid velocities.