Abstract
The analysis of the influence of new technical solutions in the technologies of electrolytic production of aluminum on the quantitative indicators of pollutants in the emissions of anode gases is presented. Describes methods to reduce emissions of resinous substances, including 3,4-benz (a) pyrene. The problem of emission capture during cooling of the pins extracted from the anode is considered in detail. For the first time in the Russian Federation, it was proposed to use environmentally friendly oil pitch, in which 3,4-benz (a) pyrene is practically absent. A variant of collecting tar contaminants by cooling anode pins in an aspirated cartridge is proposed. The new solution reduces tar emissions by an average of 5%.
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