SBIR Phase II: Waste Water Phosphorus Removal Using Nano Enhanced Reactive Iron Media

SBIR 第二阶段：使用纳米增强活性铁介质去除废水中的磷

• 批准号: 1152676
• 负责人: Suvankar Sengupta
• 金额: $ 50万
• 依托单位: MetaMateria Technologies LLC
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-04-01 至 2015-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1152676&HistoricalAwards=false
• 关键词: SBIR; Phase; II; Waste; Water

This Small Business Innovation Research (SBIR) Phase II project will continue development and commercialization of a nano-engineered high capacity sorption media for removal and recovery of phosphorous from water. This media addresses issues caused by nutrient-related pollution, which significantly affects drinking water supplies, aquatic life and recreational water quality. Phosphorus comes primarily from agriculture and waste treatment sources, including on-site generated wastewater and is the limiting nutrient that usually controls eutrophication in temperate climates. Better, low maintenance/ lower cost approaches are needed to reduce discharge levels. In Phase I, the feasibility of a high performance phosphorous removal media was demonstrated, showing a sorption capacity that is significantly greater than other media reported in the literature. The feasibility of phosphorous recovery and media regeneration was also shown. In Phase II, the sorption of the media will be improved further and will be tested in both the laboratory and as add-on tertiary systems that will be designed, fabricated and operated in the field with the help of commercialization partners. Scale up of manufacturing and regeneration processes will be examined. Successful completion will lead to a superior phosphorous removal media and data required for commercial introduction of products that are needed for wide scale commercialization into the market.The broader impacts of this research are that phosphorus originating from smaller on-site wastewater systems and water runoff from agricultural and other locations is becoming recognized as a major cause of impairment to streams and lakes and degradation of the water bodies like the Florida everglades. Efficient, low maintenance technologies are needed to reduce discharge levels and a lack of effective solutions exists today. Removing phosphorus is common at municipal wastewater treatment plants where chemical flocculation is available, but such approaches are impractical for dispersed sources of generated wastewater. Lower cost approaches are also desirable for these municipal treatment plants. This new media will have a much higher capacity and longer life. This will provide an economic alternative to mitigate the negative effects that phosphorous has on the environment and will offer ways for recovering the economic value of the phosphorous, a non-renewable resource that is necessary for food production and which is becoming limited in supply. Further development and optimization is warranted to move toward verification in field trials that will accelerate the commercial use of this new phosphorous removal technology.

该小型企业创新研究（SBIR）第二阶段项目将继续开发和商业化纳米工程高容量吸附介质，用于去除和回收水中的磷。该媒体解决与营养物有关的污染所造成的问题，这些污染严重影响饮用水供应，水生生物和娱乐用水质量。磷主要来自农业和废物处理来源，包括现场产生的废水，是温带气候中通常控制富营养化的限制性营养素。需要更好的、低维护/低成本的方法来降低排放水平。在阶段I中，证明了高性能除磷介质的可行性，显示出比文献中报道的其他介质显著更大的吸附能力。同时也表明了磷回收和培养基再生的可行性。在第二阶段，介质的吸附将进一步改善，并将在实验室和附加三级系统中进行测试，这些系统将在商业化合作伙伴的帮助下在现场设计，制造和运行。将检查生产和再生工艺的规模放大。成功的完成将导致一个上级除磷介质和数据所需的商业引进的产品，需要大规模的商业化进入市场。人们逐渐认识到，现场废水系统以及农业和其他地点的径流是河流和湖泊受损以及水体退化的主要原因就像佛罗里达大沼泽一样。需要高效、低维护的技术来降低排放水平，目前缺乏有效的解决方案。去除磷在城市污水处理厂是常见的，其中化学絮凝是可用的，但这种方法对于所产生的废水的分散来源是不切实际的。对于这些市政处理厂来说，较低成本的方法也是可取的。这种新媒体将具有更高的容量和更长的寿命。这将为减轻磷对环境的负面影响提供一种经济替代办法，并将为恢复磷的经济价值提供途径，磷是粮食生产所必需的不可再生资源，供应正变得有限。进一步的开发和优化是必要的，以在现场试验中进行验证，这将加速这种新的除磷技术的商业化使用。