Use of a Bacteria Polymer Composite to Concentrate Plutonium From Aqueous Media

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Viable Pseudomonas aeruginosa, in stable association with fine-spun polypropylene web, are shown to be capable of significant concentration of PuO2 or PuCI2 from aqueous media. These observations confirm previous studies with free-living Pseudomonas and suggest that such a system may be useful for the removal of plutonium from aqueous waste streams. Optimum cell loading of the fine-spum polymer web used in these studies occurs with monolayer filament coverage, resulting in maximum plutonium fixation. Removal of an average of 34% of suspended PuO2 particles and 94% of soluble PuCI2 is observed under these conditions.

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