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dc.contributor.authorHaugland, Ingrid Bokn
dc.contributor.authorKjos, Ole Sigmund
dc.contributor.authorRøyset, Arne Karstein
dc.contributor.authorVullum, Per Erik
dc.contributor.authorAarhaug, Thor Anders
dc.contributor.authorHalstensen, Maths
dc.date.accessioned2020-03-20T14:14:38Z
dc.date.available2020-03-20T14:14:38Z
dc.date.created2019-06-18T08:47:13Z
dc.date.issued2019
dc.identifier.citationThe Minerals, Metals & Materials Series. 2019, 697-706.en_US
dc.identifier.issn2367-1181
dc.identifier.urihttps://hdl.handle.net/11250/2647893
dc.description.abstractScaling in distribution pipes for secondary alumina is a major issue in aluminium smelters. The scale is formed inside the distribution pipes, and gradually reduces the cross section that is available for alumina transport. The scale cannot be removed without dismantling the transport pipes and using chemical and/or mechanical treatments. This leads to interruptions in normal operation, requires additional labour, and a stock of additional pipe sections. To get a better understanding of the scale formation mechanisms, the rate of scale growth was monitored by acoustic measurements in a transport pipe section at an aluminium producing plant over a period of several months. Correlation between growth rate, and recorded parameters from the associated pots, fume treatment system and meteorological data were studied. In addition, samples from the actual scale were examined by SEM, TEM and AFM to investigate the microstructure and chemical composition.en_US
dc.language.isoengen_US
dc.titleAlumina scale composition and growth rate in distribution pipesen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionacceptedVersionen_US
dc.source.pagenumber697-706en_US
dc.source.journalThe Minerals, Metals & Materials Seriesen_US
dc.identifier.doi10.1007/978-3-030-05864-7_86
dc.identifier.cristin1705496
dc.relation.projectNorges forskningsråd: 247789en_US
dc.relation.projectNORTEM: 197405en_US
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode1


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