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

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Abstract
Viable Pseudomonas aeruginosa, in stable association with fine-spun polypropylene web, are capable of significant concentration of PuO2 or PuCl4 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 Pu from aqueous waste streams. Optimum cell loading of the fine-spun polymer web used in these studies occurs with monolayer filament coverage, resulting in maximum Pu fixation. Removal of an average of 34% of suspended PuO2 particles and 94% of soluble PuCl4 is observed under these conditions. [This study is relevant to Pu availability to plants and animals from nuclear power plants.].

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