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http://dx.doi.org/10.9713/kcer.2013.51.3.352

Adsorption Performance of Basic Gas over Pellet-type Adsorbents Prepared from Water Treatment Sludge  

Bae, Junghyun (Department of Chemical Engineering, Kongju National University)
Park, Nayoung (Department of Chemical Engineering, Kongju National University)
Lee, Choul Ho (Department of Chemical Engineering, Kongju National University)
Park, Young-Kwon (School of Environmental Engineering, Graduate School of Energy and Environmental System Engineering, University of Seoul)
Jeon, Jong-Ki (Department of Chemical Engineering, Kongju National University)
Publication Information
Korean Chemical Engineering Research / v.51, no.3, 2013 , pp. 352-357 More about this Journal
Abstract
In this study, the pellet-type adsorbents were prepared by extrusion using water treatment sludge. Effects of binder and calcination on physical and chemical properties of pellet-type adsorbents were investigated. The porous structure and surface characteristics of the adsorbents were studied using nitrogen adsorption, compression strength, scanning electron microscope, X-ray diffraction, and infrared spectroscopy of adsorbed pyridine. With increasing of binder content to 5 wt%, the compressive strength of pellet-type adsorbent could be improved more than three times, but the surface area reduced by 30%, and thus the breakthrough time of trimethylamine was shortened. The breakthrough time of the trimethylamine, a basic gas, could be increased more than three times through calcination, which seems to be due to generation of acid sites composed of Lewis acid and Br$\ddot{o}$nsted acid sites on the adsorbent surface.
Keywords
Sludge; Adsorbent; Extrusion; Basic Gas; Binder;
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Times Cited By KSCI : 3  (Citation Analysis)
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