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Performance assessment of capture zones generated by PV-powered pump and treat systems.

机译：光伏驱动的水处理系统对捕获区的性能评估。

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摘要

Pump and treat (P&T) is a technology that has been extensively used to remove and/or contain contaminated groundwater. Hydraulic containment of contaminants is accomplished by generating capture zones through pumping of groundwater. An appropriate delineation of capture zones is necessary to design an effective P&T system. P&T systems conventionally operate continuously to achieve steady-state capture zones, which require significant amounts of energy. The use of renewable energies to meet power demands of remedial systems may reduce a project's carbon dioxide emissions. The hydraulic effectiveness of a photovoltaic (PV) powered P&T system without energy storage was characterized using data collected at two different remediation sites, a Dry-cleaning Environmental Response Trust Fund site in Rolla, Missouri and the Former Nebraska Ordnance Plant near Mead, Nebraska. A method to estimate hydraulic containment effectiveness of PV-powered P&T systems without energy storage was developed. The performance of a hypothetical PV-powered P&T system that operates both intermittently by assuming that the system does not include an energy storage component and continuously by assuming that system includes a relatively small capacity energy storage component was analyzed using widely available Typical Meteorological Year 3 data. A methodology to estimate capture zone widths for PV-powered P&T systems without energy storage throughout the continental U.S. as a function of solar insolation data, transmissivity, and hydraulic gradient was developed. Maps depicting predicted capture zone widths for specified transmissivity values and a hydraulic gradient were developed. The applicability of the developed methodology was illustrated with two actual sites where groundwater remediation has taken place.
机译：抽水处理（P＆T）是一项广泛用于去除和/或容纳受污染的地下水的技术。通过抽取地下水产生捕集区来实现对污染物的水力控制。要设计有效的P＆T系统，必须对捕获区进行适当的划分。 P＆T系统通常连续运行以实现稳态捕获区域，这需要大量能量。使用可再生能源来满足补救系统的电力需求可以减少项目的二氧化碳排放量。使用在两个不同的补救站点（密苏里州罗拉的干洗环境响应信托基金站点和内布拉斯加州米德附近的前内布拉斯加州军械厂）收集的数据来表征无能量存储的光伏（PV）动力P＆T系统的水力效率。提出了一种无需能量存储的估算由光伏驱动的P＆T系统的水力围堵效果的方法。通过使用广泛使用的典型气象第3年数据分析了假设的PV动力P＆T系统的性能，该系统通过假设系统不包含储能组件来间歇运行，并且通过假设系统包含相对较小容量的储能组件来连续运行。开发了一种方法来估算整个美国大陆没有能量存储的，由PV驱动的P＆T系统的捕获区域宽度，该方法取决于日照数据，透射率和水力梯度。绘制了描绘指定捕获率值和水力梯度的预测捕获区宽度的地图。在两个实际进行过地下水修复的地点，说明了所开发方法的适用性。

著录项

  • 作者

    Cortes Di Lena, Yovanna.;

  • 作者单位

    Missouri University of Science and Technology.;

  • 授予单位 Missouri University of Science and Technology.;
  • 学科 Engineering Geological.;Hydrology.;Engineering Environmental.
  • 学位 Ph.D.
  • 年度 2014
  • 页码 108 p.
  • 总页数 108
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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