7f2d5e8a_ium_smelters___ClimateTechWiki__2
[0] Other environmental benefits [1] Eliminate / reduce polycyclic aromatic hydrocarbons / polycyclic organic matter [3] Eliminate dry coke scrubbers and anode paste plant, also eliminate scrubbers from bake ovens [4] Reduce spent pot liner, possible if combined with new cathode technology [5] Reduce hydrogen fluoride emissions [2] 
Eliminate emissions of carbonyl sulfide
Inert anode technology for aluminium smelters | ClimateTechWiki
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