1) Blast furnace 2) Furnaceman at Pittsburgh 3) Industrial plant 4) Metal factory 5) Metal plant 6) Metal refinery 7) Ore processing place 8) Ore processor 9) Ore refinery 10) Place for a blast furnace 11) Place for refining metal 12) Place of refinement 13) Plant 14) Refiner of ore 15) Refinery 16) Smeltery 1) Smeltery 
• (n.) One who, or that which, smelts.
A person who carries out smelting.
Smelt'er noun One who, or that which, smelts. 
A processor of mine feed or scrap material (secondary smelter) which produces crude metal.
A processing plant which produces crude non-ferrous metal by treating mine feed (concentrate) or residues. In the case of aluminium a smelter produces refined metal from alumina.
A metallurgical plant in which the smelting of the concentrates and ore takes place.
[n] - an industrial plant for smelting
Facility is used to extract metal concentrates found inside mined ore. The ore will often contain more than one kind of metal concentrate and this facility also separates them.
A facility that melts or fuses ore, often with an accompanying chemical change, to separate its metal content. Emissions cause pollution. 'Smelting' is the process involved. 
smeltery noun an industrial plant for smelting
Facility is used to extract metal concentrates found inside mined ore. The ore will often contain more than one kind of metal concentrate and this facility also separates them.