PH-DEPENDENT COPPER RELEASE IN ACID SOILS TREATED WITH CRUSHED MUSSEL SHELL

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GARRIDO RODRIGUEZ B.; FERNANDEZ CALVINO D.; NOVOA MUNOZ J.C.; ARIAS ESTEVEZ M.; DIAZ RAVINA M.; ALVAREZ RODRIGUEZ E.; FERNANDEZ SANJURJO M.J.; NUNEZ DELGADO A.

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Journal Paper

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Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2013 | Volume:10 | Issue:5 Page(s): 983-994

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Title

PH-DEPENDENT COPPER RELEASE IN ACID SOILS TREATED WITH CRUSHED MUSSEL SHELL

Author(s)

Keywords

COPPER FRACTIONATION

MINE SOIL

RELEASE KINETICS

VINEYARD

Abstract

The aim of this study was to assess the influence of pH on copper mobilization in two copper-rich acid soils (from VINEYARD and mine) amended with crushed mussel shell. Crushed mussel shell amended soils (0-48 Mg ha-1) were subjected to the effect of several acid and alkali solutions in a batch experiment in order to study their copper release. Copper distribution was studied in decanted soils from batch experiments using a sequential extraction procedure, whereas the effect of crushed mussel shell on copper RELEASE KINETICS was studied using a stirred flow reactor. When soils were treated with acid solutions, the copper mobilization from non-amended soils was significantly higher than from the amended samples. Major changes in COPPER FRACTIONATION were an increase of the acid soluble fraction in acid-treated VINEYARD soil samples with shell dose. For the MINE SOIL, the oxidable fraction showed a relevant diminution in acid-treated samples at the highest crushed mussel shell dose. For both soils, copper desorption rates diminished up to 86% at pH 3 when crushed mussel shell was added. At pH 5, copper release rate was very slow for both soils decreasing up to 98% for the MINE SOIL amended with the highest shell dose, whereas no differences were observed at pH 7 between amended and non-amended soils. Thus, crushed mussel shell addition could contribute to reduce potential hazard of copper-enriched soils under acidification events.

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APA: Copy

GARRIDO RODRIGUEZ, B., FERNANDEZ CALVINO, D., NOVOA MUNOZ, J.C., ARIAS ESTEVEZ, M., DIAZ RAVINA, M., ALVAREZ RODRIGUEZ, E., FERNANDEZ SANJURJO, M.J., & NUNEZ DELGADO, A.. (2013). PH-DEPENDENT COPPER RELEASE IN ACID SOILS TREATED WITH CRUSHED MUSSEL SHELL. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 10(5), 983-994. SID. https://sid.ir/paper/285681/en

Vancouver: Copy

GARRIDO RODRIGUEZ B., FERNANDEZ CALVINO D., NOVOA MUNOZ J.C., ARIAS ESTEVEZ M., DIAZ RAVINA M., ALVAREZ RODRIGUEZ E., FERNANDEZ SANJURJO M.J., NUNEZ DELGADO A.. PH-DEPENDENT COPPER RELEASE IN ACID SOILS TREATED WITH CRUSHED MUSSEL SHELL. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2013;10(5):983-994. Available from: https://sid.ir/paper/285681/en

IEEE: Copy

B. GARRIDO RODRIGUEZ, D. FERNANDEZ CALVINO, J.C. NOVOA MUNOZ, M. ARIAS ESTEVEZ, M. DIAZ RAVINA, E. ALVAREZ RODRIGUEZ, M.J. FERNANDEZ SANJURJO, and A. NUNEZ DELGADO, “PH-DEPENDENT COPPER RELEASE IN ACID SOILS TREATED WITH CRUSHED MUSSEL SHELL,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 10, no. 5, pp. 983–994, 2013, [Online]. Available: https://sid.ir/paper/285681/en

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