Abstract
Mass transfer and hydrodynamic characteristics of 0.038 m stainless steel Pall rings, 0.038 m polypropylene Pall rings, 0.038 m polypropylene Intalox saddles, 0.05 m carbon steel Pall rings and 0.05 m polypropylene Pall rings were determined in a column of 0.385 m internal diameter. The values of effective interfacial area and liquid-side mass transfer coefficient were obtained by chemical methods. The data on the dynamic liquid hold-up were obtained for an air-water system. The metal Pall rings showed superior performance over the polypropylene Pall rings of corresponding size. The values of the dynamic hold-up, a′ and k La′ were correlated with the superficial liquid velocity for each packing studied.
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