NASA NTRS · 19850000065
Purifying Aluminum by Vacuum Distillation
Abstract
Proposed method for purifying aluminum employs one-step vacuum distillation. Raw material for process impure aluminum produced in electrolysis of aluminum ore. Impure metal melted in vacuum. Since aluminum has much higher vapor pressure than other constituents, boils off and condenses on nearby cold surfaces in proportions much greater than those of other constituents.
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Du Fresne, E. R.. 1985-06-01. Purifying Aluminum by Vacuum Distillation. https://ntrs.nasa.gov/citations/19850000065
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