Composition and thermal analysis of crust formed from industrial anode cover

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dc.contributor.author Zhang, Q en
dc.contributor.author Taylor, Mark en
dc.contributor.author Chen, John en
dc.contributor.author Cotton, D en
dc.contributor.author Groutzo, T en
dc.contributor.author Yang, X en
dc.contributor.editor Sadler, BA en
dc.coverage.spatial San Antonio, USA en
dc.date.accessioned 2017-12-19T20:15:12Z en
dc.date.issued 2013 en
dc.identifier.citation Editors: Sadler BA. Light Metals 2013. John Wiley & Sons, Inc, Hoboken, New Jersey. 675-680. 2013 en
dc.identifier.isbn 9781118605721 en
dc.identifier.issn 0147-0809 en
dc.identifier.uri http://hdl.handle.net/2292/36780 en
dc.description.abstract When the anode cover is heated up in the reduction cell, the crust formation from the anode cover commences at the bottom and the process is driven by thermo-chemical processes. It is important to study the composition and thermal stability properties of the crust in order to understand the mechanisms of crust formation and deterioration. Several crust pieces were taken from industrial prebaked anode cells. A number of vertical crust sections were sampled from these pieces, and each section was analyzed for composition and phase change temperature. Results show that the bottom layer is enriched in cryolite, consistent with results published in the literature. The upper region was found to contain more chiolite. Crushed bath-based anode crust has higher CR than alumina based anode crust. The melting of chiolite in the crust leaves substantial macro-porosity there, which contributes to the absorption of NaAlF 4 and the penetration of bath through it. The formation conditions of crystalline crust were discussed. en
dc.description.uri https://www.wiley.com/en-au/Light+Metals+2013-p-9781118605721 en
dc.publisher John Wiley & Sons, Inc en
dc.relation.ispartof TMS2013: 142nd Annual Meeting & Exhibition en
dc.relation.ispartofseries Light Metals 2013 en
dc.relation.isreplacedby 2292/49697 en
dc.relation.isreplacedby http://hdl.handle.net/2292/49697 en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Composition and thermal analysis of crust formed from industrial anode cover en
dc.type Conference Item en
dc.identifier.doi 10.1002/9781118663189.ch115 en
pubs.begin-page 675 en
dc.rights.holder Copyright: John Wiley & Sons, Inc en
pubs.end-page 680 en
pubs.finish-date 2013-03-07 en
pubs.place-of-publication Hoboken, New Jersey en
pubs.publication-status Published en
pubs.start-date 2013-03-03 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Proceedings en
pubs.elements-id 379506 en
pubs.org-id Engineering en
pubs.org-id Chemical and Materials Eng en
pubs.record-created-at-source-date 2017-12-20 en
pubs.online-publication-date 2013 en


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