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- W2412547365 abstract "In the Perchloroethylene (PCE) Organodesulfurization Process, the liberation reaction of sulfur from organic coal compound is known to be reversible. Since the rate of backward reaction is determined by the concentrations of both coal and sulfur in the slurry mixture, the organosulfur extractability substantially depends on the PCE-to-coal ratio. A simplified kinetic model is introduced that can describe the organodesulfurization reaction in a quantitative manner. The model assumes that there exist two different species of organic materials in coal. In PCE solution, both species accept sulfur to form organic sulfur compounds, but only one species release sulfur. Batch extraction data of Ohio 5/6 and Indiana 5 coal samples are used to calculate the equilibrium constant, K{sub eq}. K{sub eq} is 8.2 for Ohio 5/6 coal, but K{sub eq} cannot be exactly determined for Indiana 5 coal. Instead, the feasible range of K{sub eq} is graphically represented. It is demonstrated that the indeterminacy of K{sub eq} for Indiana 5 coal is inherent. This study contains a few very significant results: the proposed kinetic model correctly describes the PCE coal cleaning process for wide range of PCE-to-coal ratio. Also it is fully discussed that there exists an inherent restriction in identifying themore » kinetics of the process.« less" @default.
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- W2412547365 date "1995-12-31" @default.
- W2412547365 modified "2023-09-24" @default.
- W2412547365 title "Determination of equilibrium constant in the organodesulfurization reaction of PCE coal cleaning" @default.
- W2412547365 hasPublicationYear "1995" @default.
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