The control of atmospheric discharges

2 Gaseous discharges. From most industrial sites, the main gases of concern are oxides of sulphur, nitrogen and carbon, inorganic and organic 

Blast and steel making furnaces Cupolas, shake-out making 

Catalytic regenerators, sludge incinerators Kilns, driers, material handling Thermal processes, rock acidulating, grinding 

Oxides, smoke, oil, metal fumes, dust Smoke, metal fumes, oil, grease Catalyst dust, ash from sludge 

Acid mist, alkaline oxides, dust, aerosols 

---