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6672862 
Book/Book Chapter 
New design of cover for anode trays 
Gagne, JP; Boulianne, R; Magnan, JF; Thibault, MA; Dufour, G; Gauthier, C 
2006 
MINERALS, METALS & MATERIALS SOC 
WARRENDALE 
Light Metals 2006: Aluminum Reduction Technology 
213-217 
WOS:000238943600007 
During the production of aluminium in smelters, the anodes used in electrolysis cells have to be replaced frequently. Anode butts are usually placed on anode trays for transportation and cooling, a practice during which Hydrogen Fluoride (HF) is emitted in large quantities. Covers developed in 2000 by Alcoa Deschambault to fit on the anodes trays were implemented, resulting in significant reductions of HF emissions. However, the covers are expensive to maintain and use short-life consumable parts. In January 2004, STAS and Alcoa decided to develop a more efficient design of cover, with lower maintenance costs and no need for consumable materials (like soft cushions). This paper presents a summary of the work performed to develop the new design as well as a summary of the test results. 
Galloway, T. J. 
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Technical Session on Light Metals 2006 held at the 135th TMS Annual Meeting 
San Antonio, TX