Microbially Mediated Immobilization of Contaminants Through In Situ Biostimulation

Fendorf, Scott

Stanford University (United States)

关键词: Respiration;    Uranium;    Bioremediation;    54 Environmental Sciences;    In-Situ Processing;   

DOI  :  10.2172/822414
RP-ID  :  DOE/ER/15119
RP-ID  :  FG07-00ER15119
RP-ID  :  822414

美国|英语

来源: UNT Digital Library

【 摘 要 】

In most natural environments, a multitude of metabolic substrates are resent simultaneously. Organisms that can utilize uranium as a metabolic substrate for respiration also may have the ability to use a variety of other oxidized substrates as electron acceptors. Thus, these substrates are, in effect, competing for electrons that are being passed through the electron transport chain during respiration. To assess the feasibility of in situ immobilization of uranium in subsurface environments and to understand the cycling of uranium, it is necessary to discern the chemical and/or biological conditions dictating which terminal electron acceptor(s) will be utilized.