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|SPL (Spent Pot Linings) are hazardous waste. The described work seeks to identify simple and inexpensive processes for recovering the recyclable materials and thereby both reduce the volume to be handed to the dumps and produce a waste that belongs to a less dangerous class. For this purpose a study was conducted to characterise the structure of the cell and the refilling elements at the end of the Aluminum process. The properties of the material that make up the SPLs were determined in order to apply the related selection procedures. The study permitted the design of treatment process able to reduce the negative environment impact of the aluminum production cycle.|