Alluminium refining and process
TYPE OF EMISSION: Smoke AlCl3 fumes, HCl, SO2, SO3, HF, Carbon particles, Al2O3 fumes, Fluoride fumes
Car shredding
TYPE OF EMISSION: Oil mist, dust
Metal smelting
TYPE OF EMISSION: Mists, Particulate 0.3 to 0.4 grain/CF, heavy moisture load, acid mist
Electroplating
TYPE OF EMISSION: Acid mist
Scarfing
TYPE OF EMISSION: Particulate loadings of 1 grain/CF (size <2 micron)
Sintering
TYPE OF EMISSION: Particulate loading of 0.1 to 0.5 grain/CF, condensable organic matter of 0.05 to 0.3 grain/CF
Galvanizing
TYPE OF EMISSION: Fumes, Mist
Bronze and brass melting
TYPE OF EMISSION: Dust, metallic fumes
Coke plants
TYPE OF EMISSION: Tar, dust, smoke
Zinc galvanizing
TYPE OF EMISSION: Oil mist, fumes of NH4Cl and ZnO
Zirconium Calcining
TYPE OF EMISSION: Hafnium oxide, elemental sulfur, chlorides, sulfuric acid mist, sulfur dioxide.
Silver/Gold Refining
TYPE OF EMISSION: Copper, Silver, and Selenium. Silica, Lead, Tellurium, Arsenic, Gold slime, particulate loading of 0.1 to 0.2 grain/CF up to 0.5 grain/CF, Carbon and fine impurities.
Molybdenum Roaster
TYPE OF EMISSION: Organic compounds, sulfuric acid mist, oxides of Molybdenum, Selenium, Rhenium, and Mercury. Chlorides,trace of fluorides.
Nickel Recovery
TYPE OF EMISSION: Slag, oil, and water waste, Nickel, and Chromium, sub-micron particulate of 0.1 to 0.2 grain/CF, particulate carryover.