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Abstract: The desulfurization of model gasoline by 5A molecular sieves loaded with Cu2+ was studied. Several factors which influence the desulfurization capability, including temperature, Cu2+ loading, baking temperature, as well as the ethanethiol concentration were investigated. In the range of adsorption temperature of 20℃~45℃, it was found that the sorption capacity of ethanethiol on 5A molecular sieves loaded with Cu2+ increases with the temperature increasing. The desulfurization is enhanced by increasing the Cu2+ loading and the best result is obtained at the Cu2+ loading of 0.16mol/L. Baking of the sorbent can also improve the desulfurization capability, and the optimum baking temperature is 300℃. Two methods of the sorbent regeneration were compared in the experiment,the regeneration by baking is better than that by alcohol washing.
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Key words:
- gasoline /
- ethanethiol /
- desulfurization /
- sorption
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