Cocurrent flow pipeline reactors would have several advantages for gas‐liquid reacting systems. However, design data are lacking, particularly for absorption rates of gas. The present study was purely exploratory, for the purpose of obtaining the first data on liquid‐phase controlled absorption of gases in horizontal cocurrent two phase flow. CO 2 and helium were used as gases and water, ethanol and ethylene glycol as liquids over a wide range of operating conditions. The data in the bubble and plug flow regions have been correlated by an equation based on qualitative observation and analogy to the case of a single flowing fluid. The resulting expression, reproduces most bubble flow data to ± 15%, and includes the effects of gas and liquid flow rates, pipe diameter, surface tension, liquid viscosity and diffusivity.
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Scott et al. (1966) studied this question.
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