Paper Title:
Preparation of Adsorbent from Mine Residues
  Abstract

The object of this study is to prepare adsorbents to remove heavy metals from abandoned mine residues. There are many factors that affect the adsorptivity of prepared adsorbents. The adsorptivity of prepared adsorbents is evaluated by cation exchange capatity(CEC). The maxium CEC value is obtained by Dongwon mine residues treated with NaOH. The optimum condition at that time is 75/25 wt% of mixing ratio of Dongwon mine residues and NaOH under N2 atmosphere at the activation temperature of 500°C. The CEC value was 95meq/100g at this condition. 99.5% of Pb was removed under the condition of 50 mg/L, pH 5 and reaction time of 1hr.

  Info
Periodical
Materials Science Forum (Volumes 544-545)
Edited by
Hyungsun Kim, Junichi Hojo and Soo Wohn Lee
Pages
597-600
DOI
10.4028/www.scientific.net/MSF.544-545.597
Citation
C. H. Shim, W. K. Lee, H. J. Ban, "Preparation of Adsorbent from Mine Residues", Materials Science Forum, Vols. 544-545, pp. 597-600, 2007
Online since
May 2007
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Price
$32.00
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