Autotrophic Denitrification of Drinking Water Using Microporous Membrane Bioreactors

9908906 ERGAS这是一个奖项，用于支持研究使用微孔膜生物反应器对含有过量硝酸盐的水进行水力遗传反硝化的可能性的研究。该膜用于支持能够氧化氢气和完成反硝化的微生物种群，提高氢气的传质速度，并将活性微生物培养物从被处理的水中分离出来。本项目的目标是调查控制氢和硝酸盐向微生物培养的传质的因素，确定反硝化速率和该工艺对水质的影响。这项研究的结果有望为膜处理水过程中氢和硝酸盐的传质和生物降解数学模型的校准提供基础，以将硝酸盐的浓度降低到可接受的水平。预计这些模型将为在解决地下水和地表水硝酸盐污染的系统的工程设计中确定基于这一概念的工艺的潜在应用提供基础。***

9908906 Ergas This is an award to support research investigating the possible use of a microporous membrane bioreactor for hydrogenotrophic denitrification of water containing excessive concentrations of nitrates. The membrane serves to support the microbial population capable of oxidizing hydrogen and accomplishing denitrification, increases the rate at which mass transfer of hydrogen is accomplished and acts to separate the active microbial culture from the water being treated. Objectives of this project are to investigate the factors that control hydrogen and nitrate mass transfer to the microbial culture, to determine denitrification rates and impact of the process on water quality. Results of this research are expected to provide the basis for calibration of mathematical models of hydrogen and nitrate mass transfer and biodegradation in membrane-based processes for treatment of water to reduce concentrations of nitrate to acceptable levels. These models are in turn expected to provide the basis for determining the potential application of processes based on this concept in engineering design of systems that address nitrate contamination of ground and surface water. ***