Journal
EXPERIMENTAL THERMAL AND FLUID SCIENCE
Volume 21, Issue 1-3, Pages 150-155Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/S0894-1777(99)00065-5
Keywords
activated carbon; mercury absorption
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In this work the attention was focused on the adsorption and desorption of elemental mercuric on HGR activated carbon produced by Calgon-Carbon Corp. The study was performed in an apparatus at laboratory scale in which Hg-0 vapors in a nitrogen gas stream, at a given temperature and mercury concentration, flowed through a fixed bed of adsorbent material. The experiments showed that the adsorption phenomena are faster than the desorption phenomena. SEM micrographs of the fresh carbon and of the carbon after adsorption or desorption had occurred have shown that mercury is adsorbed on the surface on particular sites when high sulfur concentration exists. (C) 2000 Elsevier Science Inc. All rights. reserved.
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