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    Remediation of Chromium‐Containing Soils by Heap Leaching: Column Study

    Source: Journal of Environmental Engineering:;1993:;Volume ( 119 ):;issue: 005
    Author:
    Adrian T. Hanson
    ,
    Brian Dwyer
    ,
    Zohrab A. Samani
    ,
    Don York
    DOI: 10.1061/(ASCE)0733-9372(1993)119:5(825)
    Publisher: American Society of Civil Engineers
    Abstract: Efforts are being made to devise technologies and treatment systems to remediate contaminated soil on site without generating significant wastes for off‐site disposal. Heap leaching, a technique used extensively in the mining industry, has been investigated as a method for remediation of hazardous metal contamination of the vadose zone. In the mining industry, metal bearing ore is excavated and mounded on a pad. The metals are removed by passing a special leaching solution through the ore. In this study, the removal of Chromium (VI) from four New Mexico soils (sand, sandy loam, and clay) using heap leaching was evaluated at a column scale. The heap leaching study demonstrated greater than 99% removal of Cr(VI), using tap water as the leaching agent. The soils were typical of arid climate soils with low organic content (<1%).
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      Remediation of Chromium‐Containing Soils by Heap Leaching: Column Study

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    http://yetl.yabesh.ir/yetl1/handle/yetl/41609
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    • Journal of Environmental Engineering

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    contributor authorAdrian T. Hanson
    contributor authorBrian Dwyer
    contributor authorZohrab A. Samani
    contributor authorDon York
    date accessioned2017-05-08T21:10:39Z
    date available2017-05-08T21:10:39Z
    date copyrightSeptember 1993
    date issued1993
    identifier other%28asce%290733-9372%281993%29119%3A5%28825%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/41609
    description abstractEfforts are being made to devise technologies and treatment systems to remediate contaminated soil on site without generating significant wastes for off‐site disposal. Heap leaching, a technique used extensively in the mining industry, has been investigated as a method for remediation of hazardous metal contamination of the vadose zone. In the mining industry, metal bearing ore is excavated and mounded on a pad. The metals are removed by passing a special leaching solution through the ore. In this study, the removal of Chromium (VI) from four New Mexico soils (sand, sandy loam, and clay) using heap leaching was evaluated at a column scale. The heap leaching study demonstrated greater than 99% removal of Cr(VI), using tap water as the leaching agent. The soils were typical of arid climate soils with low organic content (<1%).
    publisherAmerican Society of Civil Engineers
    titleRemediation of Chromium‐Containing Soils by Heap Leaching: Column Study
    typeJournal Paper
    journal volume119
    journal issue5
    journal titleJournal of Environmental Engineering
    identifier doi10.1061/(ASCE)0733-9372(1993)119:5(825)
    treeJournal of Environmental Engineering:;1993:;Volume ( 119 ):;issue: 005
    contenttypeFulltext
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