Experimental model of the interfacial instability in aluminium reduction cells
Pedchenko, A., Molokov, S., Priede, J., Lukyanov, A. and Thomas, P.J. (2009) Experimental model of the interfacial instability in aluminium reduction cells. EPL (Europhysics Letters), 88 (2). 24001. ISSN 1286-4854
To link to this article DOI: 10.1209/0295-5075/88/24001
A solution has been found to the long-standing problem of experimental modelling of the interfacial instability in aluminium reduction cells. The idea is to replace the electrolyte overlaying molten aluminium with a mesh of thin rods supplying current down directly into the liquid metal layer. This eliminates electrolysis altogether and all the problems associated with it, such as high temperature, chemical aggressiveness of media, products of electrolysis, the necessity for electrolyte renewal, high power demands, etc. The result is a room temperature, versatile laboratory model which simulates Sele-type, rolling pad interfacial instability. Our new, safe laboratory model enables detailed experimental investigations to test the existing theoretical models for the first time.
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