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                                       Details van artikel 15 van 17 gevonden artikelen
 
 
  Removal of mercury and methylmercury from contaminated soils by applying an electric field
 
 
Titel: Removal of mercury and methylmercury from contaminated soils by applying an electric field
Auteur: Wu, Yong-Fu
Chou, Wei-Lung
Yen, Shi-Chern
Verschenen in: Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering
Paginering: Jaargang 35 (2000) nr. 7 pagina's 1153-1170
Jaar: 2000-08
Inhoud: In this study, the removals of the mercury and methylmercury by applying an electric field have been investigated. The experimental results show that the non-uniform distributions of the pH, conductivity and potential gradient would be formed during the treatment. These unexpected distributions would slow down the removal of contaminants. So the mercury and methylmercury could be only reduced to about 73.6% and 59.4% after 100-day treatment, respectively. Thus, the enhancement by using buffer solutions or cation exchange membranes was conducted to avoid the back-migration of the OH- generated at the cathode. The results show that the removal efficiencies of the mercury could attain 88% or more and that of the methylmercury could reach to 94% or more after only 60-day treatments by using either buffer solutions or cation exchange membranes.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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