Zeolite synthesis from pre-treated coal fly ash in presence of soil as a tool for soil remediation (Articolo in rivista)

Type
Label
  • Zeolite synthesis from pre-treated coal fly ash in presence of soil as a tool for soil remediation (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.clay.2004.12.006 (literal)
Alternative label
  • Terzano R; Spagnuolo M; Medici L; Tateo F; Ruggiero P (2005)
    Zeolite synthesis from pre-treated coal fly ash in presence of soil as a tool for soil remediation
    in Applied clay science (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Terzano R; Spagnuolo M; Medici L; Tateo F; Ruggiero P (literal)
Pagina inizio
  • 99 (literal)
Pagina fine
  • 110 (literal)
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  • 29 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • n.2 (literal)
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  • 12 (literal)
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  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (a) Dipartimento di Biologia e Chimica Agroforestale ed Ambientale, Universita` degli Studi di Bari, Via Amendola, 165/A, I-70126 Bari, Italy (b) Consiglio Nazionale delle Ricerche (CNR), Istituto di Metodologie per l'Analisi Ambientale (IMAA), Contrada S. Loja, I-85050 Tito Scalo (Potenza), Italy (c) Consiglio Nazionale delle Ricerche (CNR), Istituto di Geoscienze e Georisorse (IGG)-sezione di Padova, c/o Dipartimento di Geologia, Paleontologia e Geofisica, UniversitaT degli Studi di Padova, Via Giotto, 1, I-35137 Padova, Italy (literal)
Titolo
  • Zeolite synthesis from pre-treated coal fly ash in presence of soil as a tool for soil remediation (literal)
Abstract
  • The study reports the synthesis of zeolites from pre-treated coal fly ash in presence of a natural agricultural soil. The synthetic process of zeolites formation in soil was studied for a period of 6 months at 30 and 60 °C. The synthesis of zeolite P (zeolite belonging to the Gismondine series) and zeolite X (zeolite belonging to the Faujasite series) was observed for the first time directly in soil in the presence of organic matter (2.4% C) and several mineral phases. Zeolites were characterized and quantified by means of XRD and SEM-EDX analysis. Moreover, correlations between Si/Al molar ratio in solution, curing temperature and the type of synthesized zeolite were found. A Si/Al ratio lower than 1 and higher curing temperatures favored the synthesis of zeolite P, while a Si/Al higher than 1 and lower curing temperatures drove the synthesis preferentially towards zeolite X. The results obtained in the present research could be useful for a better comprehension and long-term assessment of the physical and chemical processes which are at the basis of many solidification/stabilization (S/S) soil remediation technologies for the stabilization of heavy metals or for the catalytic degradation of organic pollutants. (literal)
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