Befesa S.A. offers environmental recycling services to the steel and aluminum industries in European, Asian, and North American markets. It operates through two segments, Steel Dust Recycling Services and Aluminium Salt Slags Recycling Services. The Steel Dust Recycling Services segment collects and recycles steel dust and other steel residues generated in the production of crude, stainless, and galvanized steel. The Aluminium Salt Slags Recycling Services segment recycles salt slags; spent pot linings, a hazardous residue generated by primary aluminium producers; and recovers and sells salt, aluminium concentrate, and aluminium oxides. This segment also collects and recycles aluminium scrap and other aluminium residues, such as aluminium dross, shavings, and cuttings; and produces secondary aluminium alloys for automotive and construction industries. It provides logistics and waelz oxide treatment services; and develops projects and technology. Befesa S.A. was founded in 1987 and is based in Luxembourg City, Luxembourg.