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dc.contributor.authorGaertner, Heiko
dc.contributor.authorRatvik, Arne Petter
dc.contributor.authorAarhaug, Thor Anders
dc.date.accessioned2018-02-28T13:26:25Z
dc.date.available2018-02-28T13:26:25Z
dc.date.created2012-11-14T11:26:34Z
dc.date.issued2012
dc.identifier.citationLight Metals. 2012, 2012 839-844.nb_NO
dc.identifier.issn0147-0809
dc.identifier.urihttp://hdl.handle.net/11250/2487773
dc.description.abstractThe effect of alumina feeding and pot suction rate on the amount and composition of fine particles in raw gases has been investigated. Particle size distribution of ultra-fines (Di < 10 μm) were measured in real time and the chemical composition of particle size groups were analyzed. Mass distribution of dust in fumes from cells under different operational condition were calculated from density estimates based on measured currents which again were converted to particle number impacts and compared to weighted samples. EDS analysis and HR ICP-MS revealed a significant increase in contaminant level for particles with a Di > 0.75 μm. The findings indicate that particles with Di < 1.2 μm consist mainly of quenched bath fumes, NaAlF4, Na5Al3F14, partly converted to Na3AlF6 and Al2O3. Particles with Di > 1.2 μm exhibit significant levels of contaminants, presumably entrained particles from the combustion of anode carbon and alumina feed.nb_NO
dc.language.isoengnb_NO
dc.publisherWileynb_NO
dc.titleImpurity Elements in Raw Gas Ultra-Fines from Aluminium Electrolysis Cellsnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber839-844nb_NO
dc.source.volume2012nb_NO
dc.source.journalLight Metalsnb_NO
dc.identifier.doi10.1002/9781118359259.ch145
dc.identifier.cristin962073
dc.relation.projectNorges forskningsråd: 182617nb_NO
dc.description.localcodeThis is the peer reviewed version of the following article: [Impurity Elements in Raw Gas Ultra-Fines from Aluminum Electrolysis Cells], which has been published in final form at [http://onlinelibrary.wiley.com/doi/10.1002/9781118359259.ch145/summary]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.nb_NO
cristin.unitcode194,66,35,0
cristin.unitnameInstitutt for materialteknologi
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode1


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