How can fluorides in Spent Pot Lining (SPL) be valorised? ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌
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29.01.2026
Dear Ladies and Gentlemen, 
 
Recycling is more than simply remelting aluminium scrap. Researchers and developers constantly work on new alloys. In order to meet stringent technical, environmental, and economic requirements of the automotive industry, the SUPA-Wheel project is developing a new secondary aluminium-based casting alloy. 
 
Sustainable management of Spent Pot Lining (SPL) remains one of the most pressing challenges facing the primary aluminium industry. One possible solution is the full chemical stabilisation of SPL. 
 
The digital transformation brings new opportunities into aluminium smelters – but also challenges. Modern MES/MOM platforms can help. 
 
Best regards
Sarah Schulz  
Editor-in-Chief of International Aluminium Journal
Sarah Schulz

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SPL: from hazardous liability to industrial asset

SPL: from hazardous liability to industrial asset 

 
Spent Pot Lining (SPL) is hazardous due to its high levels of fluorides. How can these fluorides be valorised? An examination.
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Industry 4.0 reshapes aluminium smelters, pushing for full traceability and predictive analytics. Modern MES/MOM platforms meet these demands.
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Markets & Economy

 
CBAM: call for aluminium-specific reform

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After the Commission has announced its planned CBAM reform for 2028, European Aluminium explains, why these measures are not industry-specific enough.
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