Maximum uptakes of cadmium on free and immobilised bacteria and actinomycetes cells |
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| Authors: | Bernard Fabre K Jézéquel T Lebeau |
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| Institution: | (1) Laboratoire Gestion des Risques et Environnement, Université de Haute Alsace, 25 rue de Chemnitz, 68200 Mulhouse, France |
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| Abstract: | Studies of adsorption of cadmium by free bacterial and free actinomycete cells, alginate beads and immobilised bacterial or
actinomycete cells in alginate beads were performed in ultrapure water. The immobilisation in alginate beads allows the survival
of the microorganisms in non-ideal conditions. Here, we found the following affinity for the cadmium ion: R25 free cells<alginate
beads<R25 immobilised cells<ZAN 044 immobilised cells<ZAN 044 free cells, obtained with the b Langmuir parameter. The maximum uptakes gave the series: ZAN 044 free cells<ZAN 044 immobilised cells<R25 free cells<alginate
beads<R25 immobilised cells. |
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| Keywords: | Cadmium Free and immobilised micro-organisms Alginate beads Linear and non-linear modelisations Maximum uptakes |
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