Abstract
See-through bench scale Hall-Heroult cells were constructed employing either quartz walls, or graphite walls with sapphire windows. Observations were made of electrolyte circulation, gas bubbles and metal mist prior to, during, and following electrolysis. Decreasing oxide content increased anode bubble size culminating in an anode effect. Hydrogen bubbles and dark violet “metal mist” streamers emanated from the cathode. The color of the streamers suggests F-centers.
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© 2016 The Minerals, Metals & Materials Society
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Haupin, W.E., McGrew, W.C. (2016). See-through Hall-Heroult Cell. In: Bearne, G., Dupuis, M., Tarcy, G. (eds) Essential Readings in Light Metals. Springer, Cham. https://doi.org/10.1007/978-3-319-48156-2_34
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DOI: https://doi.org/10.1007/978-3-319-48156-2_34
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