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Purifying Aluminum by Vacuum DistillationProposed 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.
Document ID
19850000065
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Du Fresne, E. R.
(CALTECH)
Date Acquired
August 12, 2013
Publication Date
June 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 1
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
NPO-16114
Accession Number
85B10065
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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