Compute the needs of calcium carbonate and flue gas, with the composition 2% O2, 78% N2, and 20% CO required to operate a Solvay-based facility that produces 10 kg/s of sodium carbonate.

The facility uses an excess of 10% molar NaCl. The furnace is fed with calcium carbonate, 100% at 25C. The lime exits the furnace at 900C. The gas products leave the unit at 250C and the flue gas is fed at 600C. The air used is at 25C and assumed to be dry.

Combustion is complete.