Kinetic and theoretical studies of metal ion adsorption in KDP solution

Kinetic and theoretical studies of metal ion adsorption in KDP solution

Metal ion adsorption in saturated aqueous potassium dihydrogen phosphate solution was analyzed using kinetic, equilibrium model and computational chemistry approaches. The isotherm constants ( K F and n) in the Freundlich model and the first order Lagergren kinetic model parameter k assist with a ge...

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Veröffentlicht in:Applied surface science 2009-01, Vol.255 (7), p.4140-4144
Hauptverfasser: Asakuma, Yusuke, Takeda, Shingo, Maeda, Kouji, Fukui, Keisuke
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Sprache:eng
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Electrostatic potential
Freundlich model
Metal ion adsorption
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container_title Applied surface science
container_volume 255
creator Asakuma, Yusuke
Takeda, Shingo
Maeda, Kouji
Fukui, Keisuke
description Metal ion adsorption in saturated aqueous potassium dihydrogen phosphate solution was analyzed using kinetic, equilibrium model and computational chemistry approaches. The isotherm constants ( K F and n) in the Freundlich model and the first order Lagergren kinetic model parameter k assist with a general understanding of the fundamental adsorption behavior of trivalent and divalent metal ions. The electrostatic force based on electrostatic potential distribution was found to be an essential feature for metal ion adsorption via a correlation between the ESP values of each metal ion and these experimental parameters.
doi_str_mv 10.1016/j.apsusc.2008.10.112
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1873-5584
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subjects Electrostatic potential
Freundlich model
Metal ion adsorption
title Kinetic and theoretical studies of metal ion adsorption in KDP solution
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