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Removal of Elemental Mercury by Activated Carbon Saturated with KI

    https://doi.org/10.1142/9789813142589_0025Cited by:0 (Source: Crossref)
    Abstract:

    The purpose of this study is to develop high effective sorbent for capturing gaseous Hg0. TKI-modified activated carbon (KI-AC) was prepared to determine its ability to remove elemental mercury on a fixed-bed reactor. The activated carbon with the highest activity for Hg0 removal was screened. It was then impregnated by KI and showed high activity for mercury removal in simulated flue gas at 120 °C. The 1% KI-AC was the optimal adsorbent during Hg0 removal. In addition, the effects of KI loading value on Hg0 removal were evaluated. The Brunauer–Emmett–Teller (BET) method was employed to characterize the samples. As the results of the BET indicated, chemical characteristics of activated carbon were the main reasons responsible for the Hg0 removal.