Defining and verifying the “correlation line” in aluminum electrolysis |
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| Authors: | Steinar Kolås |
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| Affiliation: | 1.Norwegian University of Science and Technology in Trondheim,Trondheim,Norway;2.Hydro Aluminium ASA,Technology & Operational Support,?vre ?rdal,Norway |
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| Abstract: | Within the aluminum electrolysis industry it is well known and well documented that there exists a relationship between bath
temperature and excess AlF3. This relationship is often referred to as the correlation line. Inspired by this awareness, this paper proves the correlation
line theoretically. This is done in two steps. First, the correlation line is derived from a model of mass and energy balance
of an electrolysis cell. Second, the theoretically derived correlation line is verified experimentally. |
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