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Kinetics of Absorption of Hydrogen Sulfide into Aqueous Fe(Ⅲ) Solutions
Korean Journal of Chemical Engineering, September 1997, 14(5), 307-311(5), 10.1007/BF02707044
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Abstract
In our recent studies, absorption of H2S into the aqueous Fe2(SO4)3 and FeCl3 solutions with various values of ionic strength and pH was investigated in an agitated vessel with a flat interface. Te experimental results for both systems revealed that the species which reacts with H2S is FeOH2+. The absorption rates were explained by the theory of gas absorption with an irreversible (1,1)-th order reaction between H2S and FeOH2+. The reaction rate constants were independent of the ionic strength of the solution and correlated as a function of temperature. In this paper, kinetics and mechanism of these absorption reactions are reviewed and the identity for both systems is emphasized.
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Smith RM, Martell AE, "Critical Stability Constants," Inorganic Complexes, Plenum Press, New York, 4 (1976)
