POWER REQUIREMENTS OF GAS-LIQUID CONTACTORS WITH MECHANICAL AGITATION

被引:10
作者
SATOH, K
SHIMADA, H
YOSHINO, Z
机构
[1] Dept. of Industrial Chemistry, Science Univ. of Tokyo
[2] Nihon Gaishi Co., Ltd
关键词
POWER REQUIREMENT; LOADING POINT; FLOODING POINT; SCALE UP; GAS-LIQUID CONTACTOR; AERATION; MECHANICAL AGITATION;
D O I
10.1252/kakoronbunshu.17.937
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
A correlation of a new type for the power requirement of an impeller dispersing gas into low-viscosity liquids was presented. The power requirement was correlated with aeration power normalized by the value at the critical point which divided the flooding state from the loading state. An empirical correlation for aeration power at the critical point was given under a wide range of impeller rotation speed, ratio of impeller to tank diameter, ratio of liquid depth to tank diameter and scale of tank. This correlation interpreted with success experimental results involving the data of van't Riet, Nienow and Dickey for gas-liquid contactors of 0.9 or 1.5 m in tank diameter.
引用
收藏
页码:937 / 942
页数:6
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