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Triboelectric change characteristics and electrical separation of wollastonite from complex silicate ore
2003 (English)In: XXII International mineral processing congress: Cape Town, South Africa 29 September - 3 October 2003 ; abstracts and full papers of plenary and keynote lectures of the .. / [ed] Leon Lorenzen, Marshalltown, South Africa: South African Institute of Mining and Metallurgy, 2003, 222-231 p.Conference paper (Refereed)
Abstract [en]

The triboelectric charge attributes of feldspar, quartz and wollastonite minerals, after contacting different triboecharging medium made of different materials, were considered. Their charge acquisitions by different size fractions of minerals were monitored and accordingly their energetic work function values were estimated. Moreover the separation behaviours of these minerals through the electric field of a laboratory free falling separator were determined and the effects of some chemical reagents on separation their separation characteristics were studied. Finally an attempt was made to translate the findings from single mineral systems to a complex silicate ore, containing quartz, feldspars, wollastonite and some other silicates. The results show favourable prospect to apply the triboelectric separation technique for beneficiation such a complex raw material.

Place, publisher, year, edition, pages
Marshalltown, South Africa: South African Institute of Mining and Metallurgy, 2003. 222-231 p.
Research subject
Mineral Processing
URN: urn:nbn:se:ltu:diva-37113Local ID: b02522d0-a8ab-11dc-9057-000ea68e967bISBN: 0-9584663-4-3 (print)OAI: diva2:1010611
International Mineral Processing Congress : 29/09/2003 - 03/10/2003
Godkänd; 2003; Bibliografisk uppgift: CD-ROM; 20071212 (ysko)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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Manouchehri, Hamid-Reza

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