calcium carbonate ore processing flow - barnflicka.eu. Calcium Carbonate Cells can be used in an Industrial Blast Furnace to shorten the process of smelting iron from Iron Ore and Pyrite Ore. Smelting Iron Ore with a Calcium Carbonate Cells will result in 3 Refined Iron and smelting Pyrite Dust with calcium carbonate cell results in 2 Refined Iron.