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A Novel Application of FT-IR Spectroscopy for the Kinetics of High-Temperature Reaction SO2 with CaO

Volume 44, Number 2 (Feb. 1990) Page 310-313

Gopalakrishnan, R.


FT-IR spectroscopy has been used to investigate the kinetics of SO2/CaO reaction at high temperatures, 700 to 1000°C. The estimated kinetic parameters, namely the activation energy (34.7 kcal/mole) and the order with respect to SO2 partial pressure (~0.60 ± 0.02) are in excellent agreement with the earlier reports where thermogravimetric and chemical analysis methods were used, thus supporting MIR spectroscopy as a viable tool for the kinetics of gas/solid reaction at high temperatures.