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Spatially Resolved Quantification of Metal Ion Concentration in a Biofilm-mediated Ion Exchanger by D.A. Graf von der Schulenburg; D.J. Holland; M. Paterson-Beedle; L.E. Macaskie; L.F. Gladden; M.L. Johns is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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## Abstract A bioremediation process to remove Co^2+^ from aqueous solution is investigated in this study using a magnetic resonance imaging (MRI) protocol to rapidly obtain multiple 2D spatially resolved Co^2+^ ion concentration maps. The MRI technique is described in detail and its ability to determine the evolution in both axial and radial concentration profiles demonstrated, from which total column capacity can be determined. The final ion exchange column design allows operation in the ‘plug flow’ regime, hence making use of its full capacity before breakthrough. Conventional techniques for such process optimization are either restricted to the analysis of the exchanger outlet, which provides no information on the spatial heterogeneity of the system, or are invasive and need a variety of sample points to obtain 1D concentration information. To the best of our knowledge, our results represent the first concentration maps describing the bioremediation of metal ion contaminated water. Biotechnol. Bioeng. 2008;99: 821–829. © 2007 Wiley Periodicals, Inc.

Who reads Spatially Resolved Quantification of Metal Ion Concentration in a Biofilm-mediated Ion Exchanger?

Author

D.A. Graf von der Schulenburg; D.J. Holland; M. Paterson-Beedle; L.E. Macaskie; L.F. Gladden; M.L. Johns

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Wiley (ISSN 0006-3592)

Published

2008

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)