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Immobilisation of Thiobacillus ferrooxidans cells on nickel alloy fibre for ferrous sulfate oxidation |
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| Authors: | J M Gómez D Cantero C Webb |
| Institution: | (1) Biological and Enzymatic Reactors Research Group, Department of Chemical Engineering, Food Technology and Environmental Technologies, Faculty of Sciences, University of Cadiz (UCA), 11510 Puerto Real, Cadiz, Spain e-mail: josemanuel.montesdeoca@uca.es Fax: +34-956016411, ES;(2) Department of Chemical Engineering, UMIST, P.O. Box 88, Manchester, M60 1QD, UK, GB |
| Abstract: | The immobilisation of the iron-oxidising bacteria Thiobacillus ferrooxidans on nickel alloy fibre as support is described. This matrix showed promise for application in iron oxidation under strongly acidic conditions. The influence on the colonisation process of T. ferrooxidans exerted by the initial pH of the medium and by temperature has also been studied. Results showed that immobilisation of T. ferrooxidans cells was affected by changes of temperature between 30 °C and 40 °C and in pH from 1.4 to 2.0. Received: 25 January 2000 / Received version: 20 April 2000 / Accepted: 1 May 2000 |
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