Adsorption of Hg⁰ on the Unburned Carbon with HF Acid Leaching

Jinjing Luo, J.Y. Hwang, B. C. Greenlund, Zhiyong Xu

Dept. of Civil & Environmental Engineering.
Dept. of Materials Science & Engineering.
Institute of Materials Processing, Michigan Technological University, Houghton, MI.

DOI: 10.4236/jmmce.2004.31005                

Abstract

Unburned carbons from fly ash were leached with concentrated HF acid solutions in this study. The mercury adsorption abilities of the treated unburned carbons were examined. Effects of temperature, contact time, preloaded mercury emission and gaseous mercury concentration on adsorption behaviors were investigated. Leached by HF acid solution, unburned carbons were altered both physically and chemically. The influences of structure alteration on adsorption behaviors were also discussed.

Keywords

Unburned Carbon, HF Acid Leaching, Adsorption Capacity, Adsorption Rate.

Conflicts of Interest

The authors declare no conflicts of interest.

References

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