Study of heavy metal removal from heavy metal mixture using the CCD method

Study of heavy metal removal from heavy metal mixture using the CCD method

The central composite design (CCD) technique was used to study the effect of the native species Lemna gibba on the removal heavy metals from the mixture of heavy metals, and understand their impact on the process. The effects of Cd, Cr, Cu, Zn, and Ni cations, incubation period and fronds number on...

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Veröffentlicht in:Journal of industrial and engineering chemistry (Seoul, Korea) 2014, 20(2), , pp.512-520
Hauptverfasser: Demim, S., Drouiche, N., Aouabed, A., Benayad, T., Couderchet, M., Semsari, S.
Format: Artikel
Sprache:eng
Schlagworte:
Cadmium
CCD
Charge coupled devices
Chromium
Copper
Heavy metals
Lemna gibba
Mathematical models
Nickel
Phytoremediation
Zinc
화학공학
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Beschreibung
Zusammenfassung:The central composite design (CCD) technique was used to study the effect of the native species Lemna gibba on the removal heavy metals from the mixture of heavy metals, and understand their impact on the process. The effects of Cd, Cr, Cu, Zn, and Ni cations, incubation period and fronds number on heavy metals removal (Cd, Cr, Cu, Zn, and Ni) were studied, and the results were statistically analyzed using JMP 9.0.2 (SAS Institute) software. The analysis aimed at giving a mathematical model that shows the influence of each variable. Each factor has a distinct effect on heavy metal removal. High correlation was found between the experimental and predicted results, reflected by R2 (coefficient of determination).
ISSN:1226-086X
1876-794X
DOI:10.1016/j.jiec.2013.05.010