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Chemical and Mineralogical Evidence for Solubility and Mobility of Lead from Lead Mine-Affected Soils to Aqueous Environments

Received: 4 August 2014     Accepted: 13 August 2014     Published: 20 August 2014
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Abstract

The mobility of Pb binding in mine-affected soils to aqueous environments was studied using a combination of chemical and mineralogical methods. Leaching test was supplemented by mineralogical investigation of both soil samples and Pb mineral fractions using X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). The level of Pb determined by ICP-MS showed maximum concentration of 2.550 ppm and 3225 mg/kg Pb, which is far higher than the World Health Organization (WHO) and Soil Guidelines Value (SGV) for water and soil, respectively. Thus, the leachability of Pb in the area established. Concomitantly, the potential release of Pb into the environment was further revealed by SEM XRD for mineralogical analysis of Pb forms and soil components. The results showed that Anglesite among the five lead-bearing phases observed was the most abundant pool of soil Pb and most soluble fraction. Thus, the geochemical partitioning, potential mobility and bioavailability of soil-associated Pb are established, which perhaps accounted for the transportation of Pb to nearby river water. However, XRD showed high proportion of quartz (81%), aluminosilicates (14%) and traces of feldspars, of which aluminosilicates perhaps cause the retention of some forms of Pb in the area.

Published in American Journal of Environmental Protection (Volume 3, Issue 4)
DOI 10.11648/j.ajep.20140304.13
Page(s) 185-197
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2014. Published by Science Publishing Group

Keywords

Mobility, Solubility, Mineralogy, Rhandirmwyn, Environment, Pollution

References
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  • APA Style

    Bappah Adamu Umar, Haruna Adamu. (2014). Chemical and Mineralogical Evidence for Solubility and Mobility of Lead from Lead Mine-Affected Soils to Aqueous Environments. American Journal of Environmental Protection, 3(4), 185-197. https://doi.org/10.11648/j.ajep.20140304.13

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    ACS Style

    Bappah Adamu Umar; Haruna Adamu. Chemical and Mineralogical Evidence for Solubility and Mobility of Lead from Lead Mine-Affected Soils to Aqueous Environments. Am. J. Environ. Prot. 2014, 3(4), 185-197. doi: 10.11648/j.ajep.20140304.13

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    AMA Style

    Bappah Adamu Umar, Haruna Adamu. Chemical and Mineralogical Evidence for Solubility and Mobility of Lead from Lead Mine-Affected Soils to Aqueous Environments. Am J Environ Prot. 2014;3(4):185-197. doi: 10.11648/j.ajep.20140304.13

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  • @article{10.11648/j.ajep.20140304.13,
      author = {Bappah Adamu Umar and Haruna Adamu},
      title = {Chemical and Mineralogical Evidence for Solubility and Mobility of Lead from Lead Mine-Affected Soils to Aqueous Environments},
      journal = {American Journal of Environmental Protection},
      volume = {3},
      number = {4},
      pages = {185-197},
      doi = {10.11648/j.ajep.20140304.13},
      url = {https://doi.org/10.11648/j.ajep.20140304.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20140304.13},
      abstract = {The mobility of Pb binding in mine-affected soils to aqueous environments was studied using a combination of chemical and mineralogical methods. Leaching test was supplemented by mineralogical investigation of both soil samples and Pb mineral fractions using X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). The level of Pb determined by ICP-MS showed maximum concentration of 2.550 ppm and 3225 mg/kg Pb, which is far higher than the World Health Organization (WHO) and Soil Guidelines Value (SGV) for water and soil, respectively. Thus, the leachability of Pb in the area established. Concomitantly, the potential release of Pb into the environment was further revealed by SEM XRD for mineralogical analysis of Pb forms and soil components. The results showed that Anglesite among the five lead-bearing phases observed was the most abundant pool of soil Pb and most soluble fraction.  Thus, the geochemical partitioning, potential mobility and bioavailability of soil-associated Pb are established, which perhaps accounted for the transportation of Pb to nearby river water. However, XRD showed high proportion of quartz (81%), aluminosilicates (14%) and traces of feldspars, of which aluminosilicates perhaps cause the retention of some forms of Pb in the area.},
     year = {2014}
    }
    

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    T1  - Chemical and Mineralogical Evidence for Solubility and Mobility of Lead from Lead Mine-Affected Soils to Aqueous Environments
    AU  - Bappah Adamu Umar
    AU  - Haruna Adamu
    Y1  - 2014/08/20
    PY  - 2014
    N1  - https://doi.org/10.11648/j.ajep.20140304.13
    DO  - 10.11648/j.ajep.20140304.13
    T2  - American Journal of Environmental Protection
    JF  - American Journal of Environmental Protection
    JO  - American Journal of Environmental Protection
    SP  - 185
    EP  - 197
    PB  - Science Publishing Group
    SN  - 2328-5699
    UR  - https://doi.org/10.11648/j.ajep.20140304.13
    AB  - The mobility of Pb binding in mine-affected soils to aqueous environments was studied using a combination of chemical and mineralogical methods. Leaching test was supplemented by mineralogical investigation of both soil samples and Pb mineral fractions using X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). The level of Pb determined by ICP-MS showed maximum concentration of 2.550 ppm and 3225 mg/kg Pb, which is far higher than the World Health Organization (WHO) and Soil Guidelines Value (SGV) for water and soil, respectively. Thus, the leachability of Pb in the area established. Concomitantly, the potential release of Pb into the environment was further revealed by SEM XRD for mineralogical analysis of Pb forms and soil components. The results showed that Anglesite among the five lead-bearing phases observed was the most abundant pool of soil Pb and most soluble fraction.  Thus, the geochemical partitioning, potential mobility and bioavailability of soil-associated Pb are established, which perhaps accounted for the transportation of Pb to nearby river water. However, XRD showed high proportion of quartz (81%), aluminosilicates (14%) and traces of feldspars, of which aluminosilicates perhaps cause the retention of some forms of Pb in the area.
    VL  - 3
    IS  - 4
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Author Information
  • Department of Geology and Petroleum Geology, University of Aberdeen, Scotland, UK

  • Department of Chemistry, University of Aberdeen, Scotland, UK

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