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Abstract

Kinetics Degradation of TNT from Aqueous Solutions using Catalytic Ionic Liquid

Author(s): Seham A. Shaban, Abd El Fatah M. Badawi, Shakenaz T. L. Sheltawy and Mia M. Elshahidy

The reduction of 2,4,6-trinitrotoluene (TNT) in aqueous solution with imidazolium chloride [BMIM][Cl] and its modified imidazolium tetracholoferrate [BMIM][FeCl4] based ionic liquid were systematically investigated. The results showed that the pseudo first-order reaction law fit the reduction of TNT. The measured apparent rate constant (Kobs) of TNT on modified ionic liquid (0.0274 min−1 ) was eleven fold than on ionic liquid (0.0025 min−1 ) at 303 K. The apparent rate constant of TNT reduction on modified ionic liquid also can be improved by an increase in ionic liquid concentration (0.1, 0.4, 0.6, 1.2). It is found that [BMIM][FeCl4] based ionic liquids has the best effect on the selective reduction of 2,4,6-trinitrotoluene (TNT) in aqueous solution at 303 K.


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