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http://dx.doi.org/10.4491/eer.2002.7.1.033

RESEARCH PAPERS : A STUDY ON REMOVAL OF PB2+ ION USING PELLET - TYPE RED MUD ADSORBENTS  

Kim, Jung-Sik (Department of Chemical Engineering, The University of Suwon)
Han, Sang-Won (Department of Chemical Engineering, The University of Suwon)
Hwang, In-Gook (Department of Chemical Engineering, The University of Suwon)
Bae, Jae-Heum (Department of Chemical Engineering, The University of Suwon)
Shuzo Tokunaga (National Institute of Materials & Chemical Research)
Publication Information
Environmental Engineering Research / v.7, no.1, 2002 , pp. 33-37 More about this Journal
Abstract
The two kinds of pellet-type red-mud adsorbents (bead-type, crushed-type) were from red mud, which is generated as a by-product during the production of aluminum hydroxide from bauxite ore. The adsorption experiments of Pb^{2+} ion in the aqueous solution by these red-mud adsorbents were studied with a continuous adsorption ccolumn. As a result, the crushed-type adsorbent shows better performance in adsorption of Pb^{2+} than the bead-type adsorbent between the two types of the pellet-type adsorbents. The continusous adsorption experiment shows that the pellet-type adsorbents made from red mud have good performance for removal of Pd^{2+}. The breakthrough curves of the red-mud adsorbents were compared with that of activated carbon.
Keywords
adsorption; Pb^{2+} ion; recycling of waste materials; red mud;
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