冯世壕论文“Adsorption and Oxidation of Elemental Mercury on Chlorinated ZnS Surface”被Energy&Fuels接收发表
发布时间：2018-06-27
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简介：Nano-ZnS particles are newly-developed alternatives to activated carbons for Hg0 removal from flue gas. We investigated the Hg0 oxidation mechanisms in presence of chlorine (Cl2) on ZnS(110) surfaces by first-principle calculations. The results show that the Cl2 molecule can dissociate into two Cl ions on the ZnS (110) surface, forming chlorinated ZnS surfaces. Compared to clean ZnS surfaces, the chlorinated ZnS surfaces with dissociated Cl ions exhibit enhanced binding affinity over Hg0 with promoted Hg0 oxidation efficiency (Hg0→HgCl2). The active Cl ions on ZnS surface can directly interact with Hg0 to form HgCl2, following the typical Eley-Rideal (E-R) mechanism rather than the Langmuir-Hinshelwood (L-H) mechanism.
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