Since the introduction of paste-coolers in the anode manufacturing process, the amount of volatile compounds has drastically increased; in parallel, standards of emission levels became more stringent. Consequently, the technologies to treat such emissions must cope with more concentrated streams at inlet and lower emission requirements at outlet. Solios has developed the 'Eolios' system which is an optimised combination of a dry scrubber based on the adsorption of PAH on coke fines, and a RTO (Regenerative Thermal Oxidiser) using oxidation technology. This combination minimises the energy consumption while maximising the treatment efficiency.
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