I-Corps: Electrospun composite nanofibers for point-of-use and point-of-entry drinking water treatment

I-Corps：用于使用点和进入点饮用水处理的静电纺丝复合纳米纤维

基本信息

批准号：
2029909
负责人：
David Cwiertny
金额：
$ 5万
依托单位：
University of Iowa
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2021
资助国家：
美国
起止时间：
2021-01-01 至 2023-06-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=2029909&HistoricalAwards=false
关键词：
Corps Electrospun composite nanofibers point

项目摘要

The broader impact/commercial potential of this I-Corps project is the development of high-performance filters to improve access to safe and reliable drinking water. Contaminated drinking water is a public health crisis affecting hundreds of millions of people worldwide, including many across the United States. The proposed nanotechnology-enabled water filter technology provides a unique solution to pervasive drinking water pollutants, including lead and arsenic. As an in-home or point-of-use (POU) technology, it is envisioned that a product would be used at the primary faucet used for water consumption or in reusable water bottles. The technology may be especially valuable for those relying on unregulated water supplies like private drinking water wells, where water is often consumed with little to no treatment. Institutions with older plumbing systems would benefit from these filters at their fountains and bubblers. This could positively impact communities with limited freshwater resources or needs of humanitarian missions or natural disasters.This I-Corps project is based on the development of nanotechnology-enabled water treatment devices. Electrospinning to fabricate functionalized polymer-metal oxide nanofiber composites for drinking water treatment coupling physical and chemical removal routes for a diverse range of pollutants has been shown. Accordingly, the overarching goal of this work is to translate nanofiber fabrication recipes to industrial scale and demonstrate the performance of the functionalized polymer nanocomposites using a prototype point-of-use (POU) water treatment device (e.g., for use at the tap, within a home refrigerator or a reusable water bottle). Development efforts include scaling up electrospinning processes to fabricate nanofiber membrane sheets of dimensions necessary for integration into POU treatment devices; integration of these nanofiber membrane sheets into prototype POU treatment platforms to demonstrate ease of installation, use and maintenance; and validation of the device for regulatory approval of removal of lead (Pb) and arsenic (As). The transformative aspect of this technology is to create multi-functional, nanostructured materials with synergistic performance characteristics.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该I-Corps项目的更广泛的影响/商业潜力是开发高性能过滤器，以改善获得安全可靠的饮用水的机会。受污染的饮用水是一场公共卫生危机，影响了全世界数亿人，包括美国许多人。拟议的支持纳米技术的水过滤器技术为普遍存在的饮用水污染物（包括铅和砷）提供了独特的解决方案。作为一种家庭或使用点（POU）技术，可以预见，将在用于用水的主要水龙头或可重复使用的水瓶中使用产品。该技术对于依靠不受管制的水供应（例如私人饮用水井）的人来说可能特别有价值，那里的水通常几乎没有治疗。具有较旧管道系统的机构将从喷泉和起泡器中受益。这可能会对社区产生有限的淡水资源或人道主义任务或自然灾害的需求的积极影响。该I-Corps项目基于纳米技术支持水处理设备的开发。静电纺丝以制造功能化的聚合物 - 金属氧化物纳米纤维复合材料，用于饮用水处理偶联物理和化学去除途径，以用于多种污染物。因此，这项工作的总体目标是将纳米纤维制造食谱转换为工业规模，并使用原型使用点（POU）水处理设备（例如，在自家冰箱内使用，在自家冰箱中使用，在自家冰箱中使用，在自家冰箱中使用，以供官能化的聚合物纳米复合材料的性能。开发工作包括扩展静电纺丝工艺，以制造将纳米纤维膜片组成的纳米纤维膜片，以集成到POU治疗设备中所需的尺寸；将这些纳米纤维膜片整合到原型POU处理平台中，以证明易于安装，使用和维护；和验证用于监管铅（PB）和砷（AS）的监管部门批准的验证。该技术的变革性方面是创建具有协同性能特征的多功能，纳米结构的材料。该奖项反映了NSF的法定任务，并使用基金会的知识分子优点和更广泛的影响评估标准，认为值得通过评估来获得支持。