CAREER: Impact of Effluent Organic Matter on Photochemical Processes in Surface Waters

职业：废水有机物对地表水中光化学过程的影响

• 批准号: 1453906
• 负责人: Fernando Rosario-Ortiz
• 金额: $ 50万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-06-01 至 2020-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1453906&HistoricalAwards=false
• 关键词: CAREER; Impact; Effluent; Organic; Matter

1453906Rosario-OrtizCAREER: Impact of Effluent Organic Matter on Photochemical Processes in Surface WatersThe field of Environmental Photochemistry is currently one of the major focus areas within environmental engineering science. Specifically within this field, the PI is aiming to understand the impact of wastewater effluent organic matter on photochemical processes within wastewater-dominated surface waters, focusing on the formation of reactive intermediates (e.g., reactive oxygen species and excited triplet states) and their ultimate reactivity in aqueous media. To this end, the research objective of this CAREER proposal is to develop a long-term successful academic program focusing on the environmental photochemistry of effluent organic matter. The educational objectives of this CAREER proposal are to improve the retention of Latino students and to implement inquiry-based learning in undergraduate education at the University of Colorado, Boulder (CU Boulder), in addition to mentoring graduate students.In the research plan, the PI will explore emerging areas of interest in the study of wastewater effluent organic matter photochemistry, focusing on the following topics; (i) Quantify the photochemical production of reactive intermediates, including hydrogen peroxide, and excited triplet states, from effluent organic matter and sub-components; (ii) Quantify the antioxidant capacity of effluent organic matter and its impact on the inhibition of oxidation of organic compounds, and; (iii) Evaluate the dynamics of effluent organic matter photochemistry in surface waters (e.g., photo-bleaching) and the impacts on reactive intermediate formation. The results from this project will be applicable to different areas of environmental engineering, including the photochemical degradation of trace organic contaminants and pathogen inactivation in wastewater-dominated surface waters. The results from this project will offer important fundamental information with respect to effluent organic matter photochemistry, which will in turn improve our understanding of the efficacy of photochemical processes in wastewater-dominated surface waters. Given the importance of wastewater effluents in urban water cycles, and the interest in photochemical processes as effective alternatives to more costly engineering treatment alternatives for the oxidation of organic contaminants and pathogen inactivation, a better understanding of effluent organic matter photochemistry is needed.

1453906 Rosario-OrtizCAREER：废水有机物对地表水光化学过程的影响环境光化学领域目前是环境工程科学的主要重点领域之一。具体而言，在这一领域，PI旨在了解废水排放有机物对废水为主的地表沃茨内光化学过程的影响，重点是活性中间体的形成（例如，活性氧物质和激发三重态）和它们在水介质中的最终反应性。为此，本职业生涯建议的研究目标是开发一个长期成功的学术计划，重点是废水有机物的环境光化学。这个职业生涯的建议的教育目标是提高拉丁裔学生的保留和实施研究为基础的学习在本科教育在科罗拉多大学，博尔德在研究计划中，PI将探索废水废水有机物光化学研究中感兴趣的新兴领域，重点关注以下主题：（一）量化从流出有机物和次级成分产生的活性中间体，包括过氧化氢和激发三重态;（二）量化流出有机物的抗氧化能力及其对抑制有机化合物氧化的影响;和（三）评价流出有机物在表层沃茨中光化学的动态（例如，光漂白）和对反应性中间体形成的影响。该项目的结果将适用于环境工程的不同领域，包括废水为主的地表沃茨中痕量有机污染物的光化学降解和病原体灭活。该项目的结果将提供重要的基本信息方面的污水有机物的光化学，这反过来又会提高我们的理解的废水为主的表面沃茨的光化学过程的功效。考虑到废水在城市水循环中的重要性，以及光化学过程作为更昂贵的工程处理方法的有效替代品用于有机污染物的氧化和病原体灭活的兴趣，需要更好地理解废水有机物光化学。