AFAIK the usual cement types do not release CO₂ during curing, though a significant amount of CO₂ is released from the ingredients while baking. Sometimes the r

AFAIK the usual cement types do not release CO₂ during curing, though a significant amount of CO₂ is released from the ingredients while baking. Sometimes the released CO₂ is reabsorbed when curing (lime). What type of cement are you talking about? Reference: http://matse1.matse.illinois.edu/concrete/prin.html http://matse1.matse.illinois.edu/concrete/prin.html