SBIR Phase I: A Family of Sensor Dyes for Real-Time Optical Sensing of Metals in Aqueous Environments

SBIR 第一阶段：用于水环境中金属实时光学传感的传感器染料系列

• 批准号: 1621759
• 负责人: Bruce Bathurst
• 金额: $ 22.5万
• 依托单位: Advanced Chemical Systems Inc
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2016
• 资助国家: 美国
• 起止时间: 2016-07-01 至 2017-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1621759&HistoricalAwards=false
• 关键词: SBIR; Phase; Family; Sensor; Dyes

This Small Business Innovation Research Phase I project seeks to refine, broaden and characterize a new family of optical chemosensor dyes designed for real-time monitoring and control of heavy-metal concentrations in industrial wastewater discharge. This will allow metal platers, metal finishers, circuit board manufacturers, ink manufacturers, and a multitude of other businesses that discharge heavy metal waste, the capability to reduce treatment costs by an average of 25% to 40%. At the same time, this technology will assist in improving compliance with discharge limits defined by the Environmental Protection Agency's Clean Water Act and by local regulatory agencies. This would in turn reduce toxic metal treatment costs at downstream municipal wastewater treatment plants. It is estimated from market surveys that at least 15,000 businesses in the United States are potential customers for such a system. The global market in this vertical is estimated to be at least $2 billion. In addition, many other market segments, such as defense and homeland security, could potentially use these chemosensor arrays to permit accurate detection of heavy metals in real-world conditions.The intellectual merit of this project is that it further develops and evaluates a family of chemosensor dyes that are inherently stable over time and can be used for continuous, real-time, heavy-metal monitoring in wastewater treatment processes with detection limits relevant to environmental regulations. Earlier work demonstrated that sets of several of these dyes have significant promise to accurately and continuously measure the concentration of specific metals in wastewater effluent. To quantify each metal ion of interest, the output of multiple dyes is analyzed to provide accurate identification of specific metals. Rigid attachment to the sensing platform allows for longer-term deployment. Specifically, this project intends to demonstrate and evaluate the response of a sensor array to several heavy metals identified, based on customer surveys, as the primary analytical needs of the wastewater industry. This effort will include the quantification of relevant metal ions and an evaluation of the stability of those measurements over time in several flow systems which will be assembled. A viable sensing platform prototype is envisioned at the end of a successful project. Moving forward, further dyes can be added to allow quantification of other metals over the concentration ranges of interest, with minimal interference.

这个小企业创新研究第一阶段项目旨在改进、扩大和表征一种新的光学化学传感器染料系列，该系列旨在实时监测和控制工业废水排放中的重金属浓度。这将使金属镀板厂、金属精加工厂、电路板制造商、油墨制造商和许多其他排放重金属废物的企业能够将处理成本平均降低25%至40%。同时，这项技术将有助于提高对环境保护局《清洁水法》和地方监管机构规定的排放限制的遵守程度。这将反过来降低下游城市污水处理厂处理有毒金属的成本。据市场调查估计，美国至少有15000家企业是这种系统的潜在客户。据估计，这一垂直领域的全球市场规模至少为20亿美元。此外，许多其他细分市场，如国防和国土安全，可能会使用这些化学传感器阵列，以便在现实条件下精确检测重金属。该项目的智力优势在于，它进一步开发和评估了一系列化学传感器染料，这些染料在一段时间内具有固有的稳定性，可用于废水处理过程中的连续、实时、重金属监测，其检测限与环境法规相关。早期的工作表明，这些染料中的几种具有重要的前景，可以准确和连续地测量废水排放中特定金属的浓度。为了量化每个感兴趣的金属离子，对多种染料的输出进行分析，以提供对特定金属的准确鉴定。与传感平台的刚性连接允许长期部署。具体来说，这个项目打算展示和评估传感器阵列对几种重金属的反应，这些重金属是根据客户调查确定的，是废水工业的主要分析需求。这项工作将包括相关金属离子的量化和评估这些测量随时间在几个将组装的流动系统中的稳定性。在一个成功的项目结束时，设想一个可行的传感平台原型。下一步，可以添加更多的染料，以允许在感兴趣的浓度范围内定量其他金属，干扰最小。