RESEARCH INITIATION AWARD: Removal of U(VI) From Aqueous Solution by Sulfate Reducing Bacteria

Figueroa 9410343 该奖项旨在为通过硫酸盐还原菌混合培养物的还原过程后，铀以氧化物形式沉淀而从水溶液中去除铀的潜在研究提供支持。 研究人员的假设是，生物还原是该过程的主要机制，该过程通过溶液特性（例如铀的初始浓度、离子强度、pH、吸附位点的存在和浓度以及其他氧化还原对的存在）而增强。 该项目的结果预计将比现在更好地了解生物还原、生物吸附和化学还原对铀最初还原然后从溶液中沉淀的过程的贡献。 这些知识预计将用于生物反应器的工程设计，以从受污染的水和废水中去除铀。 获得该奖项的提案是根据 NSF 92-122“研究启动奖励计划”提交的。 ***

Figueroa 9410343 This is an award to provide support for research on the potential removal of uranium from aqueous solution by its precipitation as the oxide after a reduction process resulting from actions of mixed cultures of sulfate-reducing bacteria. The investigator's hypothesis is that bioreduction is the dominant mechanism for the process which is augmented by solution characteristics such as initial concentration of the uranium, ionic strength, pH, presence and concentration of adsorption sites and presence of other redox couples. Results of this project are expected to be a better understanding than now exists of the contributions that bioreduction, biosorption and chemical reduction have on the process by which uranium is initially reduced and then precipitated from solution. This knowledge is expected to be used in the engineering design of bioreactors for removal of uranium from contaminated water and wastewater. The proposal leading to this award was submitted in accord with NSF 92-122, Research Initiation Awards Program. ***