What components (including dust) are contained in the exhaust gas discharged from the induction melting furnace used for casting when the molten iron is melted?

Induction melting furnace smelting mainly includes scrap steel, reheating material, a small proportion of pig iron, pyrite, etc. The reheating material needs to be purified; the scrap steel is relatively mixed, with oil stains, iron filings, etc. The exhaust gas contains CO, CO2, O2, N2, NO, NO2, FeO, SO2, H2S, metal dust and metal oxide dust