Method and device for exhausting gases or fumes from a metallurg

Method and device for regulating the combustion air flow rate of

Method and furnace for treatment of ash

Method and structure for maintaining effluent pressure range wit

Method of exhausting gases and fumes from an electric arc furnac

Method of mixing a hot furnace gas with another gas before the r

Method to process fumes and relative device

Plant for utilization of exhaust gases of an electric steel furn

Process and apparatus for disposing of dust-form substances from

Process and apparatus for the treatment of the waste gases of an

Process for making steel

Process for the recovery of lead arising especially from the act

Sealed device for preventing exhaust gas leakage

Shroud for arc furnace

Waste gas apparatus for electric furnace