Phosphorus solubility in basaltic glass: limitations for phosphorus immobilization in glass and glass-ceramics

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dc.contributor.authorTarragó Aymerich, Mariona
dc.contributor.authorGarcia Vallès, Maite
dc.contributor.authorMartínez Manent, Salvador
dc.contributor.authorNeuville, D.R.
dc.date.accessioned2024-02-08T11:58:01Z
dc.date.available2024-02-08T11:58:01Z
dc.date.issued2018-04-18
dc.date.updated2024-02-08T11:58:01Z
dc.description.abstractThe composition of sewage sludge from urban wastewater treatment plants is simulated using P-doped basalts. Electron microscopy analyses show that the solubility of P in the basaltic melt is limited by the formation of a liquid-liquid immiscibility in the form of an aluminosilicate phase and a Ca-Mg-Fe-rich phosphate phase. The rheological behavior of these compositions is influenced by both phase separation and nanocrystallization. Upon a thermal treatment, the glasses will crystallize into a mixture of inosilicates and spinel-like phases at low P contents and into Ca-Mg-Fe phosphate at high P contents. Hardness measurements yield values between 5.41 and 7.66 GPa, inside the range of commercial glasses and glass-ceramics. Leaching affects mainly unstable Mg2+-PO43- complexes.
dc.format.extent31 p.
dc.format.mimetypeapplication/pdf
dc.identifier.idgrec680207
dc.identifier.issn0301-4797
dc.identifier.urihttps://hdl.handle.net/2445/207303
dc.language.isoeng
dc.publisherElsevier
dc.relation.isformatofVersió postprint del document publicat a: https://doi.org/10.1016/j.jenvman.2018.04.079
dc.relation.ispartofJournal of Environmental Management, 2018, vol. 220, p. 54-64
dc.relation.urihttps://doi.org/10.1016/j.jenvman.2018.04.079
dc.rightscc-by-nc-nd (c) Elsevier, 2018
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.sourceArticles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)
dc.subject.classificationFòsfor
dc.subject.classificationBasalt
dc.subject.classificationVidre
dc.subject.classificationVitroceràmica
dc.subject.otherPhosphorus
dc.subject.otherBasalt
dc.subject.otherGlass
dc.subject.otherGlass-ceramics
dc.titlePhosphorus solubility in basaltic glass: limitations for phosphorus immobilization in glass and glass-ceramics
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/acceptedVersion

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