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    Characteristics of Phosphatic Clay for Immobilizing Heavy Metals

    New search for: Hwang, Anna
    New search for: Khim, Jeehyeong

    In this study, phosphatic clay was used as a phosphate-containing material. The phosphorus was fractionated by CRM BCR-684 protocol, and inorganic phosphorus, mostly apatite phosphorus, was determined to be the major form. The elemental composition of the phosphatic clay was identified using X-ray fluorescence (XRF) spectrometry and the main compositions were CaO and P2O5. The specific surface area, pore volume and average pore diameter were also measured. The leaching test results showed that the phosphate in the phosphatic clay was easily dissolved to aqueous phase, enabling the phosphate clay to be used as a source material for the immobilization process of heavy metals.

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    Characteristics of Phosphatic Clay for Immobilizing Heavy Metals

    New search for: Hwang, Anna
    New search for: Khim, Jeehyeong

    In this study, phosphatic clay was used as a phosphate-containing material. The phosphorus was fractionated by CRM BCR-684 protocol, and inorganic phosphorus, mostly apatite phosphorus, was determined to be the major form. The elemental composition of the phosphatic clay was identified using X-ray fluorescence (XRF) spectrometry and the main compositions were CaO and P2O5. The specific surface area, pore volume and average pore diameter were also measured. The leaching test results showed that the phosphate in the phosphatic clay was easily dissolved to aqueous phase, enabling the phosphate clay to be used as a source material for the immobilization process of heavy metals.

    Access

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    Check availability in my library
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    Characteristics of Phosphatic Clay for Immobilizing Heavy Metals

    New search for: Hwang, Anna
    New search for: Khim, Jeehyeong

    In this study, phosphatic clay was used as a phosphate-containing material. The phosphorus was fractionated by CRM BCR-684 protocol, and inorganic phosphorus, mostly apatite phosphorus, was determined to be the major form. The elemental composition of the phosphatic clay was identified using X-ray fluorescence (XRF) spectrometry and the main compositions were CaO and P2O5. The specific surface area, pore volume and average pore diameter were also measured. The leaching test results showed that the phosphate in the phosphatic clay was easily dissolved to aqueous phase, enabling the phosphate clay to be used as a source material for the immobilization process of heavy metals.

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    Title:

    Characteristics of Phosphatic Clay for Immobilizing Heavy Metals

    Contributors:

    Hwang, Anna (author) / Khim, Jeehyeong (author)

    Conference:

    GeoCongress 2008 ; 2008 ; New Orleans, Louisiana, United States

    Published in:

    GeoCongress 2008 ; 835-839

    Publication date:

    2008-03-07

    ISBN:

    9780784409701

    DOI:

    https://doi.org/10.1061/40970(309)105

    Type of media:

    Conference paper

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Recycling , Geotechnical engineering , Phosphate , Waste management , Heavy metals , Remediation , Landfills , Soil pollution , Clays

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