Abstract
A study was made of pressure drop during single-phase fluid flow to determine the pressure drop characteristic of the particulate sand beds for coalescence. It is also served to check the reproducibility of the packing technique and/or rearrangement of the individual particles in the coalesce bed. Furthermore, these data provided a basis for comparison with that during two-phase flow with coalescence. The variables investigated were superficial velocity, bed depth, sand particle diameter, and physical properties of liquids. Pressure drops associated with single-phase flow through sand packing beds could be correlated by a Carman-kozeny type equation. For sand particles the modified Carman-Kozeny equation was applied. However, the values of the Kozeny constant are approximate because it is assumed that the sand particles are cylindrical and the diameter of each particle equals to the length. The experimental results show a linear relationship between pressure drops and superficial velocity for each sand bed and for each sand particle diameter for single-phase flow.
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