<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Fly ash and slag were examined for the removal processes of Pb(II) ions from water in batch experiments under different conditions of adsorbent dosage, initial concentration, pH and contact time. The materials are industrial waste generated from the high temperature treatment of sewage sludge by the circulating fluidized bed combustion (CFBC) technology. Physical and chemical properties, as well as adsorption efficiency and calculated maximum adsorption capacity of Pb(II) ions were determined using a variety of methods. The kinetic analysis revealed that the adsorption process is better described by the pseudo-second order equation and it is well fitted to the Freundlich model.</p></abstract>

Fly ash and slag were examined for the removal processes of Pb(II) ions from water in batch experiments under different conditions of adsorbent dosage, initial concentration, pH and contact time. The materials are industrial waste generated from the high temperature treatment of sewage sludge by the circulating fluidized bed combustion (CFBC) technology. Physical and chemical properties, as well as adsorption efficiency and calculated maximum adsorption capacity of Pb(II) ions were determined using a variety of methods. The kinetic analysis revealed that the adsorption process is better described by the pseudo-second order equation and it is well fitted to the Freundlich model.

Comparative studies on the adsorption of Pb(II) ions by fly ash and slag obtained from CFBC technology

Poznań University of Economics and Business

Department of Industrial Products and Packaging Quality, Institute of Quality Science

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fly ash and slag were examined for the removal processes of Pb(II) ions from water in batch experiments under different conditions of adsorbent dosage, initial...

Comparative studies on the adsorption of Pb(II) ions by fly ash and slag obtained from CFBC technology

Published Online: Dec 31, 2019

Page range: 72 - 81

DOI: https://doi.org/10.2478/pjct-2019-0042

Keywords
fly ash, slag, adsorption of lead ions, isotherms, kinetics

© 2019 Tomasz Kalak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Comparative studies on the adsorption of Pb(II) ions by fly ash and slag obtained from CFBC technology

Published Online: Dec 31, 2019

Page range: 72 - 81

DOI: https://doi.org/10.2478/pjct-2019-0042

Keywordsfly ash, slag, adsorption of lead ions, isotherms, kinetics

© 2019 Tomasz Kalak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
fly ash, slag, adsorption of lead ions, isotherms, kinetics