SBIR Phase I: Novel Process Technology for Point-of-Generation Nitrogen Removal from Wastewater

SBIR 第一阶段：从废水中产生点脱氮的新型工艺技术

• 批准号: 1621647
• 负责人: Daniel Smith
• 金额: $ 22.5万
• 依托单位: Applied Environmental Technology
• 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 2018-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1621647&HistoricalAwards=false
• 关键词: SBIR; Phase; Novel; Process; Technology

The broader impact/commercial potential of this Small Business Innovation Research Phase I project is to address the grand challenge of human-induced nitrogen loading to the environment. An easy-to-use and affordable system will target a major source of nitrogen releases to watersheds: the on-site systems that treat wastewater from millions of households and commercial facilities across the U.S. The need to mitigate harmful algal blooms and prevent other damaging cumulative effects to aquatic ecosystems have created an urgent demand for onsite technologies that remove nitrogen at its source. The proposed nitrogen removal technology is modular and adaptable for use in small-scale systems that treat wastewater from individual homes, community systems and commercial establishments. The project employs an innovative biological nitrogen removal process that that will be verified and optimized for high priority applications in rural, peri-urban, and urban settings. The system is mechanically simple, generates no waste products, and operates passively with minimal maintenance, energy or consumables. The results from this project will help to solve the critical challenge of nitrogen control by providing a highly efficient, low-cost, commercializable system that is practicable for on-site wastewater treatment in new and retrofit systems.The technical objectives of this Phase I research project are to design, construct, field-test, and critically evaluate variant prototypes of an innovative bioreactor system to remove nitrogen from onsite wastewater. Prototype bioreactors will be operated and monitored over multiple months to investigate their salient operational characteristics and define effective design and treatment regimes. The bioreactors will be installed to treat real household wastewater under field conditions. Nitrogen analytes will be monitored across the bioreactor systems to delineate the effects of biotreatment on four nitrogen species: organic nitrogen, ammonium, nitrate and nitrite. The effects of the biotreatment system on chemical and biochemical oxygen demand, inorganic chemical parameters, and other wastewater constituents of interest will also be elucidated. The project will critically evaluate the effectiveness of total nitrogen removal and the stability and resiliency of individual nitrogen removal transformations. The work will confirm the longevity and robustness of the nitrogen removal process and identify design and operating parameters that optimize an innovative approach to remove total nitrogen from on-site wastewater while mitigating nitrogen releases to the environment. Prototype design and monitoring will facilitate scale-up of results to full-scale biotreatment systems.

这个小型企业创新研究阶段I项目的更广泛的影响/商业潜力是应对人类引起的氮气负载对环境的巨大挑战。一个易于使用且负担得起的系统将针对分水岭的主要来源：在美国，从美国数百万家庭和商业设施中处理废水的现场系统，需要减轻有害的藻华和防止其他累积的累积效应对水上生态系统的累积效应，从而造成了对nItrogeng的紧迫需求，从而造成了nItrogeng的范围。拟议的氮去除技术是模块化的，可适应于小型系统中，这些系统可以从各个房屋，社区系统和商业机构中处理废水。该项目采用了创新的生物氮去除过程，该过程将在农村，城市和城市环境中对高优先级应用进行验证和优化。该系统在机械上很简单，没有产生废物产品，并以最小的维护，能源或消耗品的方式被动运行。 The results from this project will help to solve the critical challenge of nitrogen control by providing a highly efficient, low-cost, commercializable system that is practicable for on-site wastewater treatment in new and retrofit systems.The technical objectives of this Phase I research project are to design, construct, field-test, and critically evaluate variant prototypes of an innovative bioreactor system to remove nitrogen from onsite wastewater. 原型生物反应器将在多个月内进行操作和监测，以研究其显着的操作特征，并定义有效的设计和治疗方案。 生物反应器将安装在现场条件下处理真实的家庭废水。 将在生物反应器系统上监测氮分析物，以描绘生物治疗对四种氮种的影响：有机氮，铵，硝酸盐和硝酸盐。 生物处理系统对化学和生化氧需求，无机化学参数以及其他感兴趣的废水成分的影响也将得到阐明。 该项目将批判性地评估总氮去除的有效性以及单个氮去除转化的稳定性和弹性。 这项工作将确认去除氮的寿命和稳健性，并确定设计和操作参数，以优化一种创新方法，以从现场废水中去除总氮，同时减轻对环境的氮释放。 原型设计和监视将有助于将结果扩展到全尺度生物处理系统。