Effect of major constituents of MSW fly ash during electrodialytic remediation of heavy metals

Célia Ferreira, Alexandra Ribeiro, Lisbeth Ottosen

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Electrodialytic remediation (EDR) is a technique in which contaminants are removed from waste material by applying an electric field which forces their movement into concentration chambers through ion-exchange membranes. In the current work EDR is used for the treatment of heavy metal-contaminated fly ash. The objective is to study the impact of major constituents of fly ash on remediation times, on efficiency, and on the performance of membranes. The results show that major constituents foul the ion-exchange membranes, decreasing their ability to transport metal ions out of the waste compartment.

Original languageEnglish
Pages (from-to)2007-2019
Number of pages13
JournalSeparation Science And Technology
Volume40
Issue number10
DOIs
Publication statusPublished - 9 Sep 2005

Keywords

  • Electrodialytic remediation
  • Fly ash
  • Heavy metal
  • Ion-exchange membranes

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