Removal of Cu2+ and Pb2+ in aqueous solutions by fly ash

M. Erol, S. Küçükbayrak*, A. Ersoy-Meriçboyu, T. Uluba

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

In this study, the removal of Cu2+ and Pb2+ ions by precipitation from aqueous solutions by using six fly ashes with different compositions was achieved. The effect of four parameters on the removal of Cu2+ and Pb2+, which are contact time, fly ash composition, pH of the solution and fly ash concentration, were investigated. The fly ash concentrations required to achieve maximum Cu2+ and Pb2+ removal were found to vary between 0.2-10 and 0.075-3.5 g/l, respectively. It was also observed that both the Cu2+ and Pb 2+ removal capacities of the fly ashes depend strongly on their CaO content.

Original languageEnglish
Pages (from-to)1319-1331
Number of pages13
JournalEnergy Conversion and Management
Volume46
Issue number7-8
DOIs
Publication statusPublished - May 2005

Keywords

  • Fly ash
  • Heavy metal
  • Waste water treatment

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