SBIR Phase I: Nanostructured Sorbent for Hg Removal from Scrubber Water to Below 10 ppt

SBIR 第一阶段：纳米结构吸附剂可将洗涤器水中的汞去除至 10 ppt 以下

• 批准号: 0839457
• 负责人: Anna Casasus
• 金额: --
• 依托单位: Sol-Gel Solutions, LLC
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-01-01 至 2009-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0839457&HistoricalAwards=false
• 关键词: SBIR; Phase; Nanostructured; Sorbent; Hg

This Small Business Innovation Research Phase I project focuses on theevaluation and optimization of a promising sorbent, Silica-Titania Composites(STC), for mercury removal from coal-fired power plant scrubber water tobelow 10 ppt. Coal-fired power plants are a predominant mercury emitter ingases and liquids. There are no commercial technologies for mercury removalfrom scrubber water to levels anticipated under future regulations (i.e., 1 to10 ppt). Sol-gel Solutions, LLC (Sol-gel) has obtained mercury concentrationsbelow 1.3 ppt when evaluating the STC for mercury removal from a mixedwastewater from a coal-fired power plant. These levels would comply with theGreat Lakes Initiative, a strict criterion that will be enforced in parts ofthe U.S. in 2010. The objective for the proposed project is to optimize thetechnology for mercury removal from scrubber water from several coal-firedpower plants, with the ultimate goal of designing a commercial system. It isexpected that the STC will effectively remove mercury to below 10 ppt, withthe potential of being recovered and reused.The broader impacts of this research are the protection of humans andwildlife from exposure to mercury. In humans, this exposure may impairneurological development, particularly in fetuses and during early childhood.A key element of the proposed work will be the promotion of interest inscience and engineering via dissemination of the learnings from the proposedwork and related fundamental science to high school and community collegestudents, among others, via a targeted "webinar" and newsletter.

这个小企业创新研究第一阶段项目的重点是评估和优化一种有前途的吸附剂，二氧化硅-二氧化钛复合材料（STC），用于将燃煤电厂洗涤水中的汞去除到10 ppt以下。燃煤电厂是主要的汞排放源。目前还没有商业技术将洗涤器水中的汞去除到未来法规预期的水平（即1至10毫微克）。Sol-gel Solutions, LLC （Sol-gel）在评估STC对燃煤电厂混合废水中的汞去除效果时，获得了低于1.3 ppt的汞浓度。这些水平将符合五大湖倡议，这是一个严格的标准，将于2010年在美国部分地区实施。该项目的目标是优化从几个燃煤电厂的洗涤器水中去除汞的技术，最终目标是设计一个商业系统。预计STC将有效地将汞去除至10毫微克以下，并具有回收和再利用的潜力。这项研究的更广泛影响是保护人类和野生动物免受汞接触。在人类中，这种接触可能损害神经发育，特别是在胎儿和幼儿期。拟议工作的一个关键要素将是通过向高中和社区大学生传播从拟议工作和相关基础科学中获得的知识来促进对科学和工程的兴趣，其中包括有针对性的“网络研讨会”和通讯。