Modeling the dissolution of carbonate minerals utilized in Flue Gas Desulfurization scrubbers. A stepwise titration technique applied to low Grashof-Reynolds ratio

Every year a significant amount of Sulfur Dioxide (SO2) is discarded in the atmosphere. SO2can cause indirect ozone depletion, it leads to the formation of acidic rains and a large number of diseases are provoked by contact with sulfur dioxide. Limestone (CaCO3) is widely utilized in Flue Gas Desulfurization (FGD) processes because of its ability to capture the sulfur and precipitate as solid gypsum. The correct evaluation of limestone reactivity is a key aspect for FGD wet scrubbing process design and plant operation. In the present study results from tests to a particular group of samples classified as Sedimentary Limestone and Sedimentary Dolomite are reported.