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首页> 外文期刊>Journal of Hazardous Materials >Evaluating the role of vegetation on the transport of contaminants associated with a mine tailing using the Phyto-DSS
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Evaluating the role of vegetation on the transport of contaminants associated with a mine tailing using the Phyto-DSS

机译：使用Phyto-DSS评估植被在与尾矿相关的污染物迁移中的作用

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摘要

We identified contaminants associated with the Cata mine tailing depot located in the outskirts of the city of Guanajuato, Mexico. We also investigated strategies for their phytomanagement. Silver and antimony were present at 39 and 31 mg kg~(-1), respectively, some twofold higher than the Dutch Intervention Values. Total and extractable boron (B) occurred at concentrations of 301 and 6.3 mg L ~(-1) respectively. Concentrations of B in soil solution above 1.9 mg L~(-1) have been shown to be toxic to plants. Plant growth may also be inhibited by the low concentrations of extractable plant nutrients. Analysis of the aerial portions of Aloe vera (L. Burm.f.) revealed that this plant accumulates negligible concentrations of the identified contaminants. Calculations using a whole system model (Phyto-DSS) showed that establishing a crop of A vera would have little effect on the drainage or leaching from the site. However, this plant would reduce wind and water erosion and potentially produce valuable cosmetic products. In contrast, crops of poplar, a species that is tolerant to high soil B concentrations, would mitigate leaching from this site. Alternate rows of trees could be periodically harvested and be used for timber or bioenergy.
机译：我们确定了与墨西哥瓜纳华托市郊的Cata矿尾矿库相关的污染物。我们还研究了其植物管理策略。银和锑的含量分别为39和31 mg kg〜（-1），比荷兰的干预值高两倍。总硼和可萃取硼（B）的浓度分别为301和6.3 mg L〜（-1）。超过1.9 mg L〜（-1）的土壤溶液中B的浓度已被证明对植物有毒。低浓度的可提取植物营养素也可能抑制植物生长。对芦荟（L. Burm.f.）空中部分的分析表明，该植物积累的浓度可忽略不计。使用整个系统模型（Phyto-DSS）进行的计算表明，种植A vera作物对现场的排水或沥滤几乎没有影响。但是，这种植物将减少风和水的侵蚀，并可能产生有价值的化妆品。相反，对高土壤B浓度具有耐受性的杨树作物将减轻该部位的淋溶。可以定期采伐交替排列的树木，并将其用于木材或生物能源。

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  • 来源
    《Journal of Hazardous Materials》 |2011年第2期|p.472-478|共7页
  • 作者

    Omar Cano-Reséndiz; Guadalupe de la Rosa; Gustavo Cruz-Jimenez; Jorge L. Gardea-Torresdey; Brett H. Robinson;

  • 作者单位

    Departamento de Ingenieria Quimica, Universidad de Guanajuato. Nona Alta s, CP36050 Guanajuato. Mexico;

    Departamento de Ingenieria Quimica, Universidad de Guanajuato. Nona Alta s, CP36050 Guanajuato. Mexico;

    Departamento de Farmacia, Universidad de Guanajuato. Noria Alta s, CP 36050 Guanajuato, Mexico;

    Chemistry Department and Environmental Science and Engineering, Ph.D. Program. The University of Texas at El Paso. 500 W. University Ave.. 79968 El Paso, TX. USA;

    Agriculture and Life Sciences, Lincoln University, P.O. Box 84 Lincoln, Canterbury 7646. New Zealand;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    phyto-dss; phytomanagement; phytoremediation; boron; aloe vera; poplar;

    机译：植物-dss;植物管理植物修复;硼;芦荟;白杨;

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