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Hydrochemical characterization and evaluation of the impact of AMD processes on river basin areas in the Iberian Pyrite Belt

机译:AMD工艺对伊比利亚黄铁矿带流域地区水化学特征的影响和评估

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摘要

The hydrographic network in the Iberian Pyrite Belt (IPB) (south-west Europe) is intensively affected by acid mine drainage (AMD) processes. This represents a unique worldwide scenario of extractive mining activity for more than 4,000 years. In order to be able to achieve possible restorations, it is necessary to reduce the scale of possible actions for future environmental improvements, at the river basin level. Therefore, the delineation of watersheds and subwatersheds in the IPB has been carried out, as well as the definition of the degree of impact by AMD processes in these basins in the dry season and in the rainy season. The results show that all basins are affected by AMD processes during the entire hydrological year, with pH values between 2 and 3, for most cases, and high concentrations of sulfates, metals and arsenic.
机译:伊比利亚硫铁矿带(IPB)(西南欧)的水文网络受到酸性矿山排水(AMD)过程的强烈影响。这代表了超过4000年的全球采矿开采活动的独特情况。为了能够实现可能的恢复,有必要减小在流域一级为将来的环境改善而可能采取的行动的规模。因此,已经在IPB中划定了流域和子流域,并确定了旱季和雨季这些盆地中AMD工艺的影响程度。结果表明,在整个水文年中,所有流域都受到AMD过程的影响,大多数情况下pH值在2-3之间,且硫酸盐,金属和砷的浓度很高。

著录项

  • 来源
    《Water Policy》 |2018年第1期|146-157|共12页
  • 作者单位

    Univ Huelva, Ctr Invest Ingn Mineria Sostenible, Escuela Tecn Super Ingn, Palos Frontera S-N, Palos De La Frontera 21819, Huelva, Spain;

    Univ Huelva, Ctr Invest Ingn Mineria Sostenible, Escuela Tecn Super Ingn, Palos Frontera S-N, Palos De La Frontera 21819, Huelva, Spain;

    Univ Huelva, Ctr Invest Ingn Mineria Sostenible, Escuela Tecn Super Ingn, Palos Frontera S-N, Palos De La Frontera 21819, Huelva, Spain;

    Univ Huelva, Ctr Invest Ingn Mineria Sostenible, Escuela Tecn Super Ingn, Palos Frontera S-N, Palos De La Frontera 21819, Huelva, Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Affected areas; AMD; Iberian Pyrite Belt; Metals; Waste rock dumps;

    机译:受影响的地区;AMD;伊比利亚黄铁矿带;金属;废石堆;

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