Abstract:The bacterial uranium(VI) reduction and its resultant low solubility make this process an attractive option for removing U from groundwater. An impact of aqueous suspending iron phase, which is redox sensitive and ubiquitous in subsurface groundwater, on the U(VI) bioreduction by Shewanella putrefaciens CN32 was investigated. In our batch experiment, the U(VI) concentration (5×10 -5 M) gradually decreased to a non-detectable level during the microbial respiration. However, when Fe(III) phase was suspended in s… Show more
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