Premium
Blasensäulen‐Reaktoren mit suspendiertem Feststoff: Grundlagen — Auslegung — Anwendungen
Author(s) -
Hammer Hans
Publication year - 1979
Publication title -
chemie ingenieur technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 36
eISSN - 1522-2640
pISSN - 0009-286X
DOI - 10.1002/cite.330510408
Subject(s) - bubble , ternary operation , mass transfer , mixing (physics) , coalescence (physics) , thermodynamics , sauter mean diameter , homogeneous , chemistry , materials science , mechanics , physics , quantum mechanics , astrobiology , computer science , nozzle , programming language
Abstract Bubble column reactors with suspended solids – fundamentals, design, and uses. The article describes the determination of hydrodynamic functions such as bubble size frequency distributions, relative gas contents, Sauter diameters, and specific interfacial areas in various liquids and in binary and ternary mixtures of organic liquids. The article also covers the local variation of these quantities as a result of coalescence, and axial and radial mixing coefficients. Formal Reynolds' analogies could be set up for heat and mass transfer – both across the gas/liquid interface and at the solid wall/bubble column interface without or with suspended solids. A brief survey of industrial processes in three‐phase reactors, especially in petrochemistry and biotechnology, closes with an indication of the expected growth in importance of such reactors as a consequence of the present trend towards heterogenization in homogeneous catalysis.