Paper Title:
Characterization Parameters in the Heavy Metal Electrokinetic Removal Process of the Fly Ash
  Abstract

Electrokinetic removal is a new kind of technology and it is paid close attention in many countries. This work shows the laboratory results of electrodialytic removal experiments about the fly ash from municipal solid waste in Chongqing. The characterization parameters of the electrolyte solution pH, electric current, electrical conductivity, voltage gradient were discussed after the experiment. The pH value changed smoothly in the cathode compartment, while it changed abruptly in the first 6 hours, but it changed smoothly in the rest time in the anode compartment. The electrical current increased in the first 50 hours, then gradually decreased in the rest time. The higher the electrical current is, the better the removal effect is. The electrical conductivity in the anode compartment increased while the electrical conductivity decreased in the cathode compartment. The higher the electrical conductivity is, the better the removal effect is. The metal hydroxide precipitation was the most serious factor that influenced the removal rate.

  Info
Periodical
Chapter
Chapter 6: Frontiers of Manufacturing and Design
Edited by
Dongye Sun, Wen-Pei Sung and Ran Chen
Pages
3628-3632
DOI
10.4028/www.scientific.net/AMM.71-78.3628
Citation
K. Yang, D. W. Li, X. Peng, "Characterization Parameters in the Heavy Metal Electrokinetic Removal Process of the Fly Ash", Applied Mechanics and Materials, Vols. 71-78, pp. 3628-3632, 2011
Online since
July 2011
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Price
$32.00
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