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Geometallurgy ‒ new/old methodology to improve resource management
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.
2012 (engelsk)Inngår i: Materia, ISSN 1459-9694, Vol. 70, nr 5, s. 52-55Artikkel i tidsskrift (Annet vitenskapelig) Published
Abstract [en]

Geometallurgy combines geological and metallurgical information to create spatially-based predictive model for mineral processing plants. In the mines geometallurgy is executed through a geometallurgical program. The program goes through various stages and the most critical one is where samples are selected for the metallurgical testing. Paradoxically, the sample set shouldinclude the full variation within the ore body in terms of metallurgical response but this data is not available when samples are collected since it will be measuredonly afterwards. To overcome this problem mineralogical analyses or geometallurgical tests are recommended for every tenth ore sample.As an alternative a particle-based approach is presented. The particle-based approach uses minerals and particles to link the geological model with the process models. In the approach geological model contains quantitativeinformation on modal mineralogy and mineral textures. This information is adequate for the process models to forecast what kind of particles will be generated in the comminution and how these particles will behave in the concentration unit processes. The particlebased approach is still a concept which needs further development for example in how the textural informationis collected and used in the process model. Even it is regarded that Canada and Australia are the forerunners of geometallurgy Nordic Countries can show some tradition and recent investments in the area.

sted, utgiver, år, opplag, sider
2012. Vol. 70, nr 5, s. 52-55
HSV kategori
Forskningsprogram
Mineralteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-15759Lokal ID: f4dec757-e5f7-4da4-886b-3778813f7e3aOAI: oai:DiVA.org:ltu-15759DiVA, id: diva2:988734
Merknad
Godkänd; 2012; 20131007 (perlam)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2017-11-24bibliografisk kontrollert

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