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May 13 - 16, 2008 |
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Billet Process and Equipment 106 BP Dross Reduction in the Aluminum Casthouse – Considerations and Methodologies
Peter D. Waite -- Alcan International Limited, Canada Many casthouse operations involving molten aluminum processing or scrap melting result in dross generation. Dross is undesirable due to direct post-treatment-related costs, loss of metal units, and potentially negative environmental impact. Several practices and/or casthouse operating parameters may collectively increase dross generation. Aluminum batch preparation practices contributing to dross generation are reviewed. Dross reduction efforts focusing on specific casthouse areas are illustrated. |
