液相流体在固定填充床中的轴向扩散  

A FORMULA FOR GAS SOLUBILITY IN LIQUID

作　　者：李忠[1] 万家明[1] 叶振华[1] 

机构地区：[1]华南理工大学化学工程研究所

出　　处：《化学工程》1993年第6期62-68,共7页Chemical Engineering(China)

摘　　要：用传递函数法求出不同流速、不同装填条件下的固定床流体轴向扩散系数D_(ax),并采用Lax-Wendroff差分格式对固定床对流扩散偏微分方程进行了数值解,比较了轴向扩散系数对固定床流出曲线的影响。Based on two hypotheses, a formula for predicting the gas solubility in liquid, which is correlated with temperature and pressure, is proposed, and the solubility of nitrogen, hydrogen, helium and ethylene in water are predicted,the results obtained,even at low pressure,are satisfactory.

关 键 词：液相流体 轴向扩散 固定填充床 

分 类 号：TQ051.14[化学工程]