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This document discusses the process of refining secondary aluminum alloys. There are two main concerns: removing magnesium and zinc. The scrap is initially melted under a layer of molten salt flux, which separates metal from oxides and prevents burning. Analysis is then done to remove excessive magnesium, zinc, or lead before adding silicon or copper. Additional refining uses COMBI-flux to modify the eutectic structure and grain refinement. Good stirring and final treatment with COMBI-balls in a launder hel

Author

Shyam Amalakanti

Language

EN