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Building a Geometallurgical Model in Iron Ores using a Mineralogical Approach with Liberation Data
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Geovetenskap och miljöteknik.ORCID-id: 0000-0003-4711-7671
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.
Vise andre og tillknytning
2013 (engelsk)Inngår i: Geomet13: The Second AusIMM International Geometallurgy Conference 2013 / [ed] Simon Dominy, Parkville, Victoria: The Australasian Institute of Mining and Metallurgy, 2013, s. 317-324Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A geometallurgical model is currently built in two different ways. The first and the most common way relies on geometallurgical testing, where a large number of samples are analysed for metallurgical response using small-scale laboratory tests, eg Davis tube testing. The second, mineralogical approach focuses on collecting mineralogical information over the orebody and building the metallurgical model based on mineralogy. At Luleå University of Technology,Sweden, the latter method has been adopted and taken further in four ongoing PhD studies. The geological model gives modal composition by the help of element-to-mineral conversion and Rietveld X-ray diffraction. Texturally, the orebody is divided into different archetypes, and liberation measurements for each of them are carried out in processing fineness using IncaMineral, a SEM-based technique. The grindability and liberation spectrum of any given geological unit (sample, ore block, domain) are extrapolated from the archetypes. The process model is taken into a liberation level by mass balancing selected metallurgical tests using the particle tracking technique. The approach is general and can be applied to any type of ores. Examples of ongoing studies on iron and massive sulfide ores are given.

sted, utgiver, år, opplag, sider
Parkville, Victoria: The Australasian Institute of Mining and Metallurgy, 2013. s. 317-324
HSV kategori
Forskningsprogram
Mineralteknik; Malmgeologi
Identifikatorer
URN: urn:nbn:se:ltu:diva-34546Lokal ID: 8c43c586-f40e-4801-a310-0085b0e672faISBN: 9781921522901 (tryckt)OAI: oai:DiVA.org:ltu-34546DiVA, id: diva2:1007797
Konferanse
AusIMM International Geometallurgy Conference : 30/09/2013 - 02/10/2013
Merknad

Godkänd; 2013; 20131007 (perlam)

Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2017-11-25bibliografisk kontrollert

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Lamberg, PerttiRosenkranz, JanWanhainen, ChristinaLund, CeciliaMinz, FriederikeMwanga, AbdulParian, Mehdi

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