Extrusion of Pellet-type Adsorbents Employed with Alum Sludge and H2S Removal Performance 


Vol. 19,  No. 2, pp. 121-127, Jun.  2013


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  Abstract

The objective of this study is optimization of extrusion process for preparation of pellet-type adsorbents employed with alum sludge. Effects of water content and methyl cellulose as a binder on the possibility of extrusion and physical properties of pellet-type adsorbents were investigated. The physical characteristics of the pellet-type adsorbents were studied using nitrogen adsorption and compression strength. With a ratio of water to sludge, 63/100, the adsorbent was well extruded with a cylindrical form and the compressive strength was the highest. With increasing methyl cellulose content, the compressive strength of pellet-type adsorbent could be improved, but the specific surface area decreased. The breakthrough time of the hydrogen sulfide could be increased significantly through calcination and the breakthrough capacity reached to 1,700 mg/g, which seems to be due to increase of surface area during calcination.

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  Cite this article

[IEEE Style]

P. N, B. J, L. CH, J. JK, "Extrusion of Pellet-type Adsorbents Employed with Alum Sludge and H2S Removal Performance," Clean Technology, vol. 19, no. 2, pp. 121-127, 2013. DOI: .

[ACM Style]

Park N, Bae J, Lee CH, and Jeon JK. 2013. Extrusion of Pellet-type Adsorbents Employed with Alum Sludge and H2S Removal Performance. Clean Technology, 19, 2, (2013), 121-127. DOI: .

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한국연구재단 등재학술지