A “Greenhouse Gas” Experiment for the Undergraduate Laboratory

Elaine Gomez, Melissa Paul, Charles Como, Robert Barat


This experiment and analysis offer an effective experience in greenhouse gas reduction. Ammoniated water is flowed counter-current to a simulated flue gas of air and CO2 in a packed column. The gaseous CO2 concentrations are measured with an on-line, non- dispersive, infrared analyzer. Column operating parameters include total gas flux, dissolved NH3 concentration, liquid flux, and inlet CO2 partial pressure. The CO2 capture efficiency is correlated using a kinetic model with a dimensionless Stanton number and a mass transfer coefficient. 

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