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http://dx.doi.org/10.5572/KOSAE.2015.31.2.173

Adsorption of Hydrogen Sulfide on Surface Modified Activated Carbon using Ferric Nitrate  

Jeong, Moonjoo (Department of Environmental Engineering, Seoul National University of Science and Technology)
Lee, Seongwoo (Department of Energy and Environmental Engineering, Seoul National University of Science and Technology)
Kim, Daekeun (Department of Environmental Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.31, no.2, 2015 , pp. 173-180 More about this Journal
Abstract
The purpose of this study was to fabricate a ferric nitrate impregnated activated carbon, and the performance for hydrogen sulfide by adsorption was evaluated. Sodium hydroxide was utilized to control pH in the process during generation of ferric hydroxide on the surface of the carbon. Critical mixing duration for generation of ferric hydroxide on the carbon was 48 hrs at pH 1 of the solution, in which the chemical adsorption of hydrogen sulfide was enhanced. The adsorption capacity of the impregnated carbon increased up to 0.10 g hydrogen sulfide/g carbon, which was 4.3 times higher than that of the raw carbon. Presence of FeOOH on the surface of the impregnated carbon was examined by X-ray diffraction.
Keywords
Hydrogen sulfide; Impregnated activated carbon; Adsorption;
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Times Cited By KSCI : 3  (Citation Analysis)
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