In the last years the problem of landfill operation and maintenance has been posed due to leachate infiltration and the following risk of groundwater contamination. The leachate may contain metals and ammonia originated from wastes and induce further metal dissolution from the subsoil matrix. In this work experiments of metal mobilization from soil and groundwater, sampled down-gradient of a municipal waste landfill in Northern Italy, are presented. Batch and columns tests were performed on saturated media to evaluate Fe, Mn, and Ni release when selected environmental parameters are altered. Results indicated a greater release when acidic conditions were achieved.

Evaluation of metal mobilization from soil impacted by landfill leachate / DI PALMA, Luca; Mecozzi, Roberta; D., Lausdei; Alimonti, Claudio; Merli, Carlo. - ELETTRONICO. - (2007). (Intervento presentato al convegno 6th International congress Valorisation and Recycling of Industrial Wastes tenutosi a L'Aquila nel 27-29/06/2007).

Evaluation of metal mobilization from soil impacted by landfill leachate

DI PALMA, Luca;MECOZZI, ROBERTA;ALIMONTI, Claudio;MERLI, Carlo
2007

Abstract

In the last years the problem of landfill operation and maintenance has been posed due to leachate infiltration and the following risk of groundwater contamination. The leachate may contain metals and ammonia originated from wastes and induce further metal dissolution from the subsoil matrix. In this work experiments of metal mobilization from soil and groundwater, sampled down-gradient of a municipal waste landfill in Northern Italy, are presented. Batch and columns tests were performed on saturated media to evaluate Fe, Mn, and Ni release when selected environmental parameters are altered. Results indicated a greater release when acidic conditions were achieved.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/233475
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