Mercury vapor removal from simulated flue gases with Illinois coal-derived activated carbon (ICDAC)

Hsing Cheng Hsi, Massoud Rostam-Abadi, Mark J. Rood, Siaoguo Chen, Carl F. Richardson, Todd R. Carey, Ramsay Chang

Research output: Contribution to conferencePaperpeer-review

Abstract

Illinois coal-derived activated carbons (ICDACs) were prepared in a fluidized bed reactor. Mercury adsorption tests were then compared with a simulated flue gas. The gas stream contained 40-60 μ g/Nm3 Hg /HgCl2 at 135°C and 1 atm. Hg0 adsorption capacity and reactivity of some ICDACs were higher than those for FGD. However, FGD demonstrated better HgCl2 adsorption capacity. ICDACs were also treated with sulfur at 200 and 600°C to evaluate the effectiveness of sulfur impregnation for mercury capture. Sulfur impregnation significantly improved HgCl2 capture. Overall, the results indicate that the adsorption mechanisms of Hg0 and HgCl2 on ICDACs may be different.

Original languageEnglish (US)
Pages11
Number of pages11
StatePublished - 1998
EventProceedings of the 1998 91st Annual Meeting & Exposition of the Air & Waste Management Association - San Diego, CA, USA
Duration: Jun 14 1998Jun 18 1998

Other

OtherProceedings of the 1998 91st Annual Meeting & Exposition of the Air & Waste Management Association
CitySan Diego, CA, USA
Period6/14/986/18/98

ASJC Scopus subject areas

  • General Engineering

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