Bell and hopper for shaft furnaces
Bioleaching apparatus and system
Biological conversion apparatus
Blast furnace bottom cooling arrangement
Blast furnace evaporative cooler
Blast furnace smelting of zinc
Blast furnace support apparatus
Blast-furnaces in the region of the pouring apertures
Bleeder valve for pressurized furnace
Bottom cooling arrangement for reduction apparatus
Brick casting method of making a stave cooler
Burner apparatus for molten metal fume suppression