SBIR Phase II: Addressing Freshwater Salinization and Freshwater Scarcity with a Chloride Selective Removal and Recovery System

SBIR 第二阶段：通过氯化物选择性去除和回收系统解决淡水盐化和淡水短缺问题

• 批准号: 2321964
• 负责人: Margaret Lumley
• 金额: $ 100万
• 依托单位: ROCA WATER, INC.
• 依托单位国家: 美国
• 项目类别: Cooperative Agreement
• 财政年份: 2024
• 资助国家: 美国
• 起止时间: 2024-04-01 至 2026-03-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2321964&HistoricalAwards=false
• 关键词: SBIR; Phase; II; Addressing; Freshwater

The broader/commercial impact of this Small Business Innovation Research (SBIR) Phase II project is to comprehensively address issues related to water treatment, environment protection, and resource recovery through the development of a new desalination technology called a desalination battery. Steady growth in human population and rapid industrial development have led to greater demands for water production. At the same time, anthropogenic activities, agricultural practices, and the disposal of wastewater have led to salinization of natural freshwater resources. The desalination battery combines the functions of desalination and energy generation to reduce the energy and costs associated with desalination, addressing challenges at the intersection of the water-energy nexus. The goal of the proposed research is to accelerate the commercialization of the desalination battery by evaluating the effects of various solution components present in real feedwater types on the performance of the desalination battery. Successful development of the desalination battery will help to safeguard access to freshwater resources and ensure an adequate freshwater supply, which are essential to advance the health and welfare of the American public. The overall goal of this project is to commercialize a new desalination technology, a desalination battery, which is based on the patented use of Bi as a Cl-storage electrode in combination with a Na-storage electrode. Like conventional batteries, the desalination battery stores and releases energy during the charging and discharging processes, but they are also coupled with the storage and release of Na+ and Cl-. As the energy consumed during charging is recovered during discharging, the net energy required for desalination is drastically reduced. Furthermore, since Na+ and Cl- are removed via ion-specific electrode reactions, the desalination battery enables membrane-free desalination. While efficient removal of NaCl has been demonstrated, the effects of various other solution components present in real wastewater and seawater are still unknown. The goal of the proposed work is to accurately evaluate the effects of different salinities, pH conditions, and various inorganic and organic species present in real feedwater on the performance of the desalination battery and develop mitigation plans for any problematic components. The success of the proposed work is critical to perform accurate technoeconomic calculations to prioritize the most promising feedwater types to target and develop a tailored commercialization plan for specific applications.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.

这项小型企业创新研究（SBIR）II期项目的更广泛/商业影响是通过开发一种称为脱盐电池的新淡化技术来全面解决与水处理，环境保护和资源恢复有关的问题。人口的稳定增长和快速工业发展导致对水生产的需求更大。同时，人为活动，农业实践和废水处理导致了天然淡水资源的盐分。淡化电池结合了淡化和能量产生的功能，以降低与脱盐相关的能量和成本，从而解决水能Nexus交汇处的挑战。拟议的研究的目的是通过评估实际饲料类型中存在的各种溶液组件对脱盐电池性能的影响来加速脱盐电池的商业化。脱盐电池的成功开发将有助于保护获得淡水资源的机会，并确保足够的淡水供应，这对于提高美国公众的健康和福利至关重要。该项目的总体目标是将新的海水淡化技术（一种淡化电池）商业化，该技术基于将BI作为CL储能电极与NA-Storage Electrode结合使用的专利使用。像常规电池一样，脱盐电池存储并在充电过程中释放能量，但它们也与Na+和Cl-的存储和释放相结合。随着在排放期间收回充电过程中消耗的能量，脱盐所需的净能量大大减少。此外，由于通过离子特异性电极反应去除Na+和Cl-，因此淡化电池可实现无膜的脱盐。尽管已经证明了有效去除NaCl，但实际废水和海水中存在的各种其他溶液组件的影响仍然未知。拟议工作的目的是准确评估实际进食水中存在的不同盐度，pH状况以及各种无机和有机物种对脱盐电池性能的影响，并为任何有问题的成分制定缓解计划。拟议工作的成功对于执行准确的技术经济计算至关重要，以优先考虑最有希望的水域类型，以针对特定应用程序定制并制定量身定制的商业化计划。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的知识分子优点和更广泛的影响审查标准来通过评估来获得支持的。