|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Pan American Materials Congress: Minerals Extraction and Processing
||Removal of Heavy Metals from Water with Nano-Sheet Molybdenite as Adsorbent
||Feifei Jia, Shaoxian Song
|On-Site Speaker (Planned)
Nano-sheet molybdenite is a novel two-dimensional material with single or several layers of MoS2 sheets. The common method for preparing nano-sheet molybdenite is to exfoliate bulk molybdenite through chemical method based on ion intercalation. After the exfoliation process, large quantities of oxidant functional groups are present on the nano-sheet molybdenite surfaces, increasing the active sites and surface energy. In addition, the surface is composed of two layers of S atoms, which was might be utilized as a adsorption sites for many kinds of heavy metals. In this work, the efficiency of nano-sheet molybdenite was firstly explored in the removal of heavy metals (Hg and Pb) from contaminated water. The adsorption isotherms and kinetics were presented, as well as SEM, AFM and XPS results for the adsorption mechanisms. The results have demonstrated that nano-sheet molybdenite could be a very effective adsorbent for removing the heavy metals from water.
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