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http://hdl.handle.net/10773/18113
Title: | A new concept of ceramic consumable anode for iron pyroelectrolysis in magnesium aluminosilicate melts |
Author: | Ferreira, Nuno M. Kovalevsky, Andrei V. Ferro, Marta C. Costa, Florinda M. Frade, Jorge R. |
Issue Date: | Jul-2016 |
Publisher: | Elsevier |
Abstract: | Drivenbyenvironmentalchallengesandglobalmovementtocarbonleantechnologies,thepyroelec trolysisprocessforironextractionfromoxidemeltsisbeingproposedasaninterestingalternativetothe traditional steelmaking.Still,oneofthecriticalissuesimpactingtheprospectsofthistechnologyincludes the developmentofappropriateanodematerials,takingintoaccounttheextremelyaggressivenatureof oxidemeltsatveryhightemperatures.Hereweproposeauniqueconceptofconsumableanodefor pyroelectrolysisprocess,basedonmulticomponentferrospinelbasedceramics.Theelectrochemical studies andpostmortemXRD/SEM/EDSanalysisoftheelectrolysiscellshavedemonstratedthatceramic spinel anodescansustainsignificant currentdensitiesformakingtheprocessfeasible,whiletheir consumption byinteractionwithSicontainingspeciesfromthemoltenelectrolytewasfoundtobe moderate. |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/18113 |
DOI: | 10.1016/j.ceramint.2016.04.004 |
ISSN: | 0272-8842 |
Appears in Collections: | CICECO - Artigos |
Files in This Item:
File | Description | Size | Format | |
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A new concept of ceramic consumable anode for iron pyroelectrolysis in magnesium aluminosilicate melts_10.1016j.ceramint.2016.04.004.pdf | 5.37 MB | Adobe PDF |
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