A coal containing 80%C and 20% A is needed to calcine limestone containing 35% MgCO3 and 65% CaCO3. The analysis of the kiln gas (100 kg-mol) shows 35% CO2, 8% CO, 7% O2 and the rest is N2. Calculate the % excess air.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A coal containing 80%C and 20% A is needed to calcine limestone containing 35% MgCOand 65% CaCO3. The analysis of the kiln gas (100 kg-mol) shows 35% CO2, 8% CO, 7% O2 and the rest is N2. Calculate the % excess air.

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