... and this technology evolution also sounds promising!

With colloidal anode paste, the hydrofluoric emissions will be cut to 0.24 kg/mt from 0.7 kg/mt previously, fluorine emissions to 0.6 kg/mt from 1.62 kg/mt, CO2 emissions to 53.5 kg/mt from 78.9 kg/mt, and benzo(a)pyrene emissions to 0.001 kg/mt from 0.002 kg/mt,says the aluminum producer running pilots right now.
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