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Issue 3, 2005
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The simultaneous modelling of metal ion and humic substance transport in column experiments

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Abstract

Pulsed column experiments using Co, fulvic acid and porous sediment packing, along with up/down-flooding experiments using Eu, humic acid and intact sandstone blocks have been performed. The elution of metal and humic and their distribution along the sandstone columns have been measured. A mixed equilibrium and kinetic coupled chemical transport model has been used to simulate the results. In both cases, one exchangeable and one non-exchangeable component have been used to simulate the interaction of metal and humic substance. For the pulsed experiments, a simple equilibrium approach was used to model humic sorption, while a two component, kinetic model was required for the sandstone columns.

Graphical abstract: The simultaneous modelling of metal ion and humic substance transport in column experiments

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Publication details

The article was received on 27 Oct 2004, accepted on 24 Dec 2004 and first published on 20 Jan 2005


Article type: Paper
DOI: 10.1039/B413241F
Citation: J. Environ. Monit., 2005,7, 196-202
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    The simultaneous modelling of metal ion and humic substance transport in column experiments

    N. D. Bryan, J. Barlow, P. Warwick, S. Stephens, J. J. W. Higgo and D. Griffin, J. Environ. Monit., 2005, 7, 196
    DOI: 10.1039/B413241F

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