... hydrocarbon streams in structured packing columns, Chemical Engineering and Processing, 47, 171 7- 172 5, ISSN0255- 270 1 Laddha, G.S.& Dagaleesan, T.E.(1 976 ). Transport Phenomena in Liquid-Liquid ... for all type of packing, structured or bulk. Mass Transfer in Multiphase Systems and its Applications 230 7. Nomenclature a - the interfacial area, m2/m3 ap – packing specific area, ... continuous phase d-dispersed phase D- drag (coefficient) E-extract f- in flooding conditions Mass Transfer in Multiphase Systems and its Applications 260 Fig. 2. Typical curves obtained...