Abstract

The surface state of the cryolite–alumina melt of the aluminum electrolyzer is investigated using an acA640-120gc industrial color camera (Basler, Germany) and developed AMS CAM (automated measurement system for cryolite–alumina melt) software package. The dependence of varying the total brightness at various alumina concentrations is found. The growth rate is determined and features of formation of a crust on the melt surface with various cryolite ratios are revealed.

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