Reduction of Contaminant Oxyanions in Water. Critical Mechanistic Studies of Heterogeneous Bimetallic Catalysts.

减少水中的污染性氧阴离子。

• 批准号: 0718078
• 负责人: John Shapley
• 金额: $ 33.3万
• 依托单位: University of Illinois at Urbana-Champaign
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2007
• 资助国家: 美国
• 起止时间: 2007-08-01 至 2011-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0718078&HistoricalAwards=false
• 关键词: Reduction; Contaminant; Oxyanions; Water.; Critical

This award in the Inorganic, Bioinorganic and Organometallic Chemistry program supports research by Professor John R. Shapley at the University of Illinois to delve into the chemistry of a recently discovered heterogeneous catalyst system that promotes efficient reduction by hydrogen of the perchlorate ion in water, which is the first example of a non-biological catalyst potentially capable of being used to remediate perchlorate-contaminated drinking water. The approach involves the preparation of catalysts with bifunctional properties tailored to address a targeted, difficult reaction. Further studies on the perchlorate system are intended to provide details at the level of molecular interactions that will elucidate the operation and importance of specific reaction steps. These results will guide future synthesis efforts to optimize the catalytic reaction centers for improved perchlorate reduction catalysts and will shed light on a fundamental reaction type that is a key component of the catalytic reduction of other oxyanion contaminants in water. This research is to develop a practical system for perchlorate remediation of drinking water. The outcomes from the work will also have impact in infrastructure development through the education and training of the students involved in this research and through the outreach efforts of the University of Illinois Water Science and Technology center.

这个奖项在无机，生物无机和有机化学计划支持研究教授约翰R。伊利诺伊大学的Shapley深入研究了最近发现的非均相催化剂系统的化学性质，该系统促进了水中高氯酸根离子的氢的有效还原，这是第一个可能用于修复高氯酸盐污染的饮用水的非生物催化剂的例子。 该方法涉及制备具有双功能特性的催化剂，以解决有针对性的困难反应。对高氯酸盐体系的进一步研究旨在提供分子相互作用水平的细节，以阐明具体反应步骤的操作和重要性。这些结果将指导未来的合成工作，以优化改进的高氯酸盐还原催化剂的催化反应中心，并将揭示一个基本的反应类型，这是一个关键组成部分的催化还原水中的其他含氧阴离子污染物。本研究旨在开发一种实用的饮用水高氯酸盐修复系统。这项工作的成果也将通过参与这项研究的学生的教育和培训以及伊利诺伊大学水科学和技术中心的推广工作对基础设施发展产生影响。