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

Bryan, Nick D.; Barlow, Jenny; Warwick, Peter; Stephens, Sarah; Higgo, Jenny J.W.; Griffin, David. 2005 The simultaneous modelling of metal ion and humic substance transport in column experiments. Journal of Environmental Monitoring, 7 (3). 196. 10.1039/B413241F

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Official URL: http://dx.doi.org/10.1039/B413241F

Abstract/Summary

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.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1039/B413241F
Programmes:	BGS Programmes > Sustainable Soils
ISSN:	1464-0325
Date made live:	09 Dec 2013 12:12 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/504160

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1039/B413241F

Programmes:

BGS Programmes > Sustainable Soils

ISSN:

1464-0325

Date made live:

09 Dec 2013 12:12 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/504160