Leaching Behavior of Copper, Zinc and Lead from Contaminated Soil with Citric Acid
Soil samples contaminated with heavy metals such as lead (Pb), copper (Cu) and zinc (Zn) were leached with citric acid solution. A five step-sequential extraction method involving “exchangeable”, “bound to carbonate”, “bound to Fe-Mn oxide”, “bound to organic matter” and “residue” fractions was also...
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| Format: | Journal Article |
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The Japan Institute of Metals and Materials
2013
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| Online Access: | http://hdl.handle.net/20.500.11937/15815 |
| _version_ | 1848748995961159680 |
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| author | Park, Hongki Jung, Kyungbae Alorro, Richard Yoo, Kyoungkeun |
| author_facet | Park, Hongki Jung, Kyungbae Alorro, Richard Yoo, Kyoungkeun |
| author_sort | Park, Hongki |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Soil samples contaminated with heavy metals such as lead (Pb), copper (Cu) and zinc (Zn) were leached with citric acid solution. A five step-sequential extraction method involving “exchangeable”, “bound to carbonate”, “bound to Fe-Mn oxide”, “bound to organic matter” and “residue” fractions was also carried out to investigate the leaching behavior of Pb, Cu and Zn with citric acid. The leaching efficiencies of Pb, Cu and Zn increased with increasing citric acid concentration. About 86.5, 88.9 and 83.3% leaching efficiencies were obtained for Cu, Zn and Pb, respectively, under the following leaching condition: 2 kmol•m-3 in citric acid concentration, 120 min in leaching time, 10% in pulp density, 50°C in temperature, and 80 rpm in shaking speed. In the sequential extraction test, the heavy metal contaminants were extracted more in “bound to carbonate” and “bound to Fe-Mn oxide” fractions than in “bound to organic matter” and “residue” fractions. When the leaching efficiencies of Pb, Cu and Zn with 2 kmol•m-3 citric acid solution were compared with the results of the sequential extraction, a good agreement with the summation of amount leached in “exchangeable”, “bound to carbonate” and “bound to Fe-Mn oxide” fractions was noted. |
| first_indexed | 2025-11-14T07:13:54Z |
| format | Journal Article |
| id | curtin-20.500.11937-15815 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T07:13:54Z |
| publishDate | 2013 |
| publisher | The Japan Institute of Metals and Materials |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-158152017-09-13T14:07:15Z Leaching Behavior of Copper, Zinc and Lead from Contaminated Soil with Citric Acid Park, Hongki Jung, Kyungbae Alorro, Richard Yoo, Kyoungkeun heavy metal citric acid leaching sequential extraction method contaminated soil Soil samples contaminated with heavy metals such as lead (Pb), copper (Cu) and zinc (Zn) were leached with citric acid solution. A five step-sequential extraction method involving “exchangeable”, “bound to carbonate”, “bound to Fe-Mn oxide”, “bound to organic matter” and “residue” fractions was also carried out to investigate the leaching behavior of Pb, Cu and Zn with citric acid. The leaching efficiencies of Pb, Cu and Zn increased with increasing citric acid concentration. About 86.5, 88.9 and 83.3% leaching efficiencies were obtained for Cu, Zn and Pb, respectively, under the following leaching condition: 2 kmol•m-3 in citric acid concentration, 120 min in leaching time, 10% in pulp density, 50°C in temperature, and 80 rpm in shaking speed. In the sequential extraction test, the heavy metal contaminants were extracted more in “bound to carbonate” and “bound to Fe-Mn oxide” fractions than in “bound to organic matter” and “residue” fractions. When the leaching efficiencies of Pb, Cu and Zn with 2 kmol•m-3 citric acid solution were compared with the results of the sequential extraction, a good agreement with the summation of amount leached in “exchangeable”, “bound to carbonate” and “bound to Fe-Mn oxide” fractions was noted. 2013 Journal Article http://hdl.handle.net/20.500.11937/15815 10.2320/matertrans.M2013038 The Japan Institute of Metals and Materials unknown |
| spellingShingle | heavy metal citric acid leaching sequential extraction method contaminated soil Park, Hongki Jung, Kyungbae Alorro, Richard Yoo, Kyoungkeun Leaching Behavior of Copper, Zinc and Lead from Contaminated Soil with Citric Acid |
| title | Leaching Behavior of Copper, Zinc and Lead from Contaminated Soil with Citric Acid |
| title_full | Leaching Behavior of Copper, Zinc and Lead from Contaminated Soil with Citric Acid |
| title_fullStr | Leaching Behavior of Copper, Zinc and Lead from Contaminated Soil with Citric Acid |
| title_full_unstemmed | Leaching Behavior of Copper, Zinc and Lead from Contaminated Soil with Citric Acid |
| title_short | Leaching Behavior of Copper, Zinc and Lead from Contaminated Soil with Citric Acid |
| title_sort | leaching behavior of copper, zinc and lead from contaminated soil with citric acid |
| topic | heavy metal citric acid leaching sequential extraction method contaminated soil |
| url | http://hdl.handle.net/20.500.11937/15815 |