EAGER: Pervious Concrete as a Low Cost Permeable Reactive Barrier for Heavy Metals Removal

EAGER:透水混凝土作为去除重金属的低成本渗透反应屏障

基本信息

  • 批准号:
    1439378
  • 负责人:
  • 金额:
    $ 4.49万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-09-01 至 2016-08-31
  • 项目状态:
    已结题

项目摘要

1439378HartEAGER: Pervious Concrete as a Low Cost Permeable Reactive Barrier for Heavy Metals RemovalLow impact development is an active area of research and, in particular, in the area of potentially transformative solutions for rainwater and stormwater capture and treatment for groundwater augmentation. This project is to explore innovative solutions of pervious concrete functioning as an effective reactive permeable barrier for stormwater treatment. Additionally, it is believed that incorporating waste fly ash containing high levels of carbon and sulfate into the pervious concrete will enhance the pollutant removal capabilities while providing a new application for these currently landfilled materials. These applications have not been previously investigated, even though the material properties and chemistry suggest a high potential for success. The EPA lists Missouri as the leading superfund site on the National Priority List because of the need for heavy metal treatment resulting from numerous operating and abandoned metal mines and refining operations. As an EPSCoR state, this research has the potential to expand the research activities of the University of Missouri-Kansas City, while benefitting the region. Heavy metal contamination adversely affects both human and environmental health due to their mobility and solubility within groundwater. This research could result in a fundamentally new methodology for treating stormwater while beneficially utilizing a near endless supply of low-cost, waste materials, fly ash. Cost estimates suggest that pervious concrete could be 4.5 to over 40 times cheaper than the current strategies. As an added benefit to treatment of the contaminated groundwater is the valorization and diversion of these waste materials from landfills. This project will provide research experiences for undergraduate students interested in pursuing graduate school.The proposed research will investigate two novel concepts which have not yet been investigated and reported in the literature. First, pervious concrete has never been utilized as a reactive permeable barrier. Second, waste fly ash has not been used to enhance pollutant removal in conventional or pervious concrete, while the aqueous chemistry suggests a high degree of success for pervious concrete to remove dissolved heavy metals from stormwater. Jar tests will provide the initial removal ability to refine the mixture proportions for the development of breakthrough curves for determination of removal rates. Both scanning electron microscopy and X-ray florescence will be used to corroborate removal rates and identify where the pollutants are stored in the concrete matrix.
1439378哈特伊格尔:透水混凝土作为去除重金属的低成本可渗透反应屏障低影响开发是一个活跃的研究领域,特别是在雨水和雨水捕获和处理地下水增加的潜在变革性解决方案领域。本项目旨在探索透水混凝土作为一种有效的反应渗透屏障用于雨水处理的创新解决方案。此外,据信,将含有高水平的碳和硫酸盐的废粉煤灰纳入透水混凝土中将提高污染物去除能力,同时为这些目前填埋的材料提供新的应用。这些应用以前没有研究过,尽管材料特性和化学性质表明成功的潜力很大。美国环保署将密苏里州列为国家优先名单上领先的超级基金地点,因为许多正在运营和废弃的金属矿山和炼油厂需要进行重金属处理。作为EPSCoR州,这项研究有可能扩大密苏里大学堪萨斯城分校的研究活动,同时使该地区受益。重金属污染由于其在地下水中的流动性和溶解性而对人类和环境健康产生不利影响。这项研究可能会产生一种全新的处理雨水的方法,同时有益地利用几乎无穷无尽的低成本废料粉煤灰。成本估计表明,透水混凝土可能比目前的战略便宜4.5倍至40倍以上。处理受污染地下水的另一个好处是使这些废物从垃圾填埋场得到回收和转移。本计画将提供研究经验给有兴趣修读研究所的本科生,并将探讨两个尚未在文献中被研究与报导的新概念。首先,透水混凝土从未被用作反应性渗透屏障。其次,废粉煤灰没有被用来提高传统或透水混凝土中的污染物去除,而水化学表明,透水混凝土去除溶解的重金属从雨水中的高度成功。罐试验将提供初始去除能力,以改进混合物比例,从而形成用于确定去除率的穿透曲线。扫描电子显微镜和X射线荧光将被用来证实去除率,并确定污染物储存在混凝土基质。

项目成果

期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nutrient Removal Rates of Permeable Reactive Concrete
透水反应混凝土的养分去除率
Heavy Metals Sorption by Drinking Water Treatment Byproducts in Jar Tests
罐子测试中饮用水处理副产品对重金属的吸附
  • DOI:
    10.1061/9780784480168.004
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Hart, Megan L.;Holmes, Ryan;Kevern, John T.;Silvius, Alexander A.
  • 通讯作者:
    Silvius, Alexander A.
Enhancing the Ability of Pervious Concrete to Remove Heavy Metals from Stormwater
  • DOI:
    10.1061/jswbay.0000823
  • 发表时间:
    2017-05
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Ryan R. Holmes;M. Hart;J. Kevern
  • 通讯作者:
    Ryan R. Holmes;M. Hart;J. Kevern
Heavy metal removal capacity of individual components of permeable reactive concrete
  • DOI:
    10.1016/j.jconhyd.2016.12.005
  • 发表时间:
    2017-01-01
  • 期刊:
  • 影响因子:
    3.6
  • 作者:
    Holmes, Ryan R.;Hart, Megan L.;Kevern, John T.
  • 通讯作者:
    Kevern, John T.
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Megan Hart其他文献

Low head sodium phosphate and nitrate hyperfiltration through thin kaolinite and smectite layers — Application to engineered systems
  • DOI:
    10.1016/j.clay.2006.03.004
  • 发表时间:
    2006-06-01
  • 期刊:
  • 影响因子:
  • 作者:
    Dana Derrington;Megan Hart;T.M. Whitworth
  • 通讯作者:
    T.M. Whitworth

Megan Hart的其他文献

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