Reduction of Uranium(VI) to Uranium(IV) by Clostridia
Weimin Gao(Brookhaven National Laboratory), Arokiasamy J. Francis(Brookhaven National Laboratory)
Cited by 88
Abstract
Several different species of clostridia reduced U(VI) to U(IV) to various degrees. The optimal pH for U(VI) reduction is 5 to 6 in most cases; a Clostridium sp. showed the highest rate at pH 4. Nitrate did not affect U(VI) reduction, indicating that this process in clostridia is nitrate independent.