In situ remediation of polluted Spolic Technosols using Ca(OH)2 and smectitic marlstone

Giuseppe Lo Papa, Carmelo Dazzi, Chiara Ferronato, Gilmo Vianello, Livia Vittori Antisari, Gloria Falsone

Risultato della ricerca: Articlepeer review

12 Citazioni (Scopus)


Technosols are soils developed on non-traditional substrates and containing large quantities of materials mostly due to intensive human industrial activity, such as artefacts. The increasing number of sites affected by Technosols and their impact on the environment as growing media for plants or as source of pollutants require an understanding of their functioning and evolution, above all the knowledge on the transport of toxic substances from contaminated technogenic soils to groundwater. A case study on properties, remediation and evaluation of Technosols made up by vitrified fly ash and glass–ceramics in Italy was carried out. Original technogenic soils, classified as Spolic Technosols (ecotoxic),were pedotechnically in situ remediated by adding smectitic marlstone and Ca(OH)2. Chemical analysis on samples from piezometers showed the presence of harmful heavy metals in groundwater. By means of boreholes and soil profiles the newsoils generated, after remediation, were physically and chemically characterized and classified as Spolic Technosols (calcaric). Analysis on soil toxicity and leaching tests showed the effectiveness of the remediation and the mobility reduction of some potentially harmful elements according to the environmental Italian regulation.
Lingua originaleEnglish
pagine (da-a)1-9
Numero di pagine9
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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