Partial elimination of the perovskite phase in Synroc

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dc.contributor.authorVance, ERen_AU
dc.contributor.authorMoricca, SAen_AU
dc.date.accessioned2025-09-01T06:53:04Zen_AU
dc.date.available2025-09-01T06:53:04Zen_AU
dc.date.issued1989-08en_AU
dc.date.statistics2025-08-01en_AU
dc.descriptionPhysical copy of the journal held by ANSTO Library at DDC: 666/47. Conference name also called "2nd International Ceramic Conference and Exhibition" on preface.en_AU
dc.description.abstractPerovskite is the least durable of the crystalline titanate phases comprising Synroc, a ceramic designed for the immobilisation of high-level waste from nuclear fuel reprocessing. Because 4 perovskite and the other titanate phases (zirconolite, Ba hollandite and reduced titania) are mutually compatible, adjustments to the Synroc mineralogy can be made in principle by adjusting the overall chemical composition. However, the alkoxide route to Synroc is necessary to eliminate perovskite, since perovskite forms metastably and persistently when less reactive precursors to Synroc are employed. The presence of the nuclear waste ions modifies the crystalline phases present and some chemical accounting is necessary to achieve the desired phases constitution. The properties of low-perovskite preparations are compared in detail with those of the current Synroc composition, particularly in regard to leaching and phase constitution.en_AU
dc.identifier.citationVance, E. R. & Moricca, S. (1989). Partial elimination of the perovskite phase in Synroc. Presentation to the International Ceramic Conference (AUSTCERAM 90: ceramics technology - sharing the knowledge), Perth, Western Australia, 26-31 August 1990. In Journal of the Australian Ceramic Society, 25(2), 76.en_AU
dc.identifier.conferenceenddate1990-08-31en_AU
dc.identifier.conferencenameInternational Ceramic Conference (AUSTCERAM90: ceramics technology - sharing the knowledge)en_AU
dc.identifier.conferenceplacePerth, Western Australiaen_AU
dc.identifier.conferencestartdate1990-08-26en_AU
dc.identifier.issn0004-881 Xen_AU
dc.identifier.issue2en_AU
dc.identifier.journaltitleJournal of the Australian Ceramic Societyen_AU
dc.identifier.pagination76en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16426en_AU
dc.identifier.volume25en_AU
dc.language.isoenen_AU
dc.publisherTrans Tech Publicationsen_AU
dc.subjectPerovskiteen_AU
dc.subjectCrystallizationen_AU
dc.subjectTitanatesen_AU
dc.subjectSynroc processen_AU
dc.subjectHigh-level radioactive wastesen_AU
dc.subjectRadioactive wastesen_AU
dc.subjectMetastable statesen_AU
dc.subjectIonsen_AU
dc.titlePartial elimination of the perovskite phase in Synrocen_AU
dc.typeConference Abstracten_AU
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