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Proceeding Paper

Bubble Behavior on Horizontal and Vertical Carbon Anode Surfaces in Cryolite Melt Applying a See-Through Cell †

by
Nikolina Stanic
and
Espen Sandnes
*
Department of the Materials Science and Engineering, Norwegian University of Science and Technology NTNU, NO-7491 Trondheim, Norway
*
Author to whom correspondence should be addressed.
†
Presented at the 1st International Electronic Conference on Metallurgy and Metals, 22 February–7 March 2021; Available online: https://iec2m.sciforum.net/.
Mater. Proc. 2021, 3(1), 8; https://doi.org/10.3390/IEC2M-09238
Published: 18 February 2021
(This article belongs to the Proceedings of The 1st International Electronic Conference on Metallurgy and Metals)
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Abstract

Gas bubble behavior on a carbon anode in a cryolite melt has been studied by visual observation using a see-through cell. The bubble phenomena studied have included growth, coalescence, and detachment during electrolysis. Two different anode designs were tested, an anode with a horizontal facing-downwards surface and an anode with a vertical surface. At the horizontal anode, it was found that one large bubble was formed by the growth and coalescence of smaller bubbles, and finally, the large bubble detached periodically. For the vertical anode surface, many smaller bubbles were formed and detached randomly. The bubble diameter was decreasing with increasing current density for both anodes.
Keywords: carbon anode; cryolite melt; bubble behavior; see-through cell carbon anode; cryolite melt; bubble behavior; see-through cell

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MDPI and ACS Style

Stanic, N.; Sandnes, E. Bubble Behavior on Horizontal and Vertical Carbon Anode Surfaces in Cryolite Melt Applying a See-Through Cell. Mater. Proc. 2021, 3, 8. https://doi.org/10.3390/IEC2M-09238

AMA Style

Stanic N, Sandnes E. Bubble Behavior on Horizontal and Vertical Carbon Anode Surfaces in Cryolite Melt Applying a See-Through Cell. Materials Proceedings. 2021; 3(1):8. https://doi.org/10.3390/IEC2M-09238

Chicago/Turabian Style

Stanic, Nikolina, and Espen Sandnes. 2021. "Bubble Behavior on Horizontal and Vertical Carbon Anode Surfaces in Cryolite Melt Applying a See-Through Cell" Materials Proceedings 3, no. 1: 8. https://doi.org/10.3390/IEC2M-09238

APA Style

Stanic, N., & Sandnes, E. (2021). Bubble Behavior on Horizontal and Vertical Carbon Anode Surfaces in Cryolite Melt Applying a See-Through Cell. Materials Proceedings, 3(1), 8. https://doi.org/10.3390/IEC2M-09238

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