Selective Adsorption of Sodium Aluminum Fluoride Salts from Molten Aluminum Page: 4 of 33
This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided to Digital Library by the UNT Libraries Government Documents Department.
The following text was automatically extracted from the image on this page using optical character recognition software:
List of Tables and Figures
Table 1: Matrix of Test Variables in Experimental Molten Metal Runs
Table 2: Details of Bed Filter Packing
Table 3: Summary of Sodium Pick-up Results from Mg-Bath Reversion Reaction after
the 5 Wt. % Magnesium Alloying Addition
Table 4: Summary of Mercury Porosimetry Results Obtained on Micro-Porous Filter
Media Before and After Filtration
Figure 1: Schematic illustration of interfacial surface energy components for wetting (0
< 90 C) and non-wetting (0 > 900) conditions for molten metal contact on a refractory
Figure 2: Schematic illustration of selective absorption of molten bath from molten
aluminum using a micro-porous filter.
Figure 3. Pore size distribution of sinter bonded alumina (SBA) micro-porous filter
media determine by mercury intrusion porosimetry.
Figure 4: Photograph of SBA micro-porous filter media. Nominal diameter is 4 mm.
Figure 5: Secondary electron image of SBA micro-porous filter media. Note amount of
surface micro-porosity that connects to subsurface micro-porosity.
Figure 6: Schematic illustration of experimental casting station used to evaluate bath
removal by selective absorption.
Figure 7: AlF3 binary phase diagram .
Figure 8: Typical Mg-Na reversion reaction test results obtained in the heated crucible
test to determine the amount of bath remaining after filtration.
Figure 9: Sodium pickup from Mg-bath reversion reaction designed to determine the
effectiveness of the bed filter with various filter media configurations.
Figure 10: SBA micro-porous filter media after removal from bed filter.
Figure 11: Secondary electron image showing the surface micro-topography of used
SBA micro-porous filter media. Compare to Figure 5 for the before filtration condition.
Here’s what’s next.
This report can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Report.
Aubrey, Leonard S.; Boyle, Christine A.; Williams, Eddie M.; DeYoung, David H.; Smith, Dawid D. & Chi, Feng. Selective Adsorption of Sodium Aluminum Fluoride Salts from Molten Aluminum, report, August 16, 2007; United States. (digital.library.unt.edu/ark:/67531/metadc877387/m1/4/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.