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Conference Proceedings

Eighth International Heavy Minerals Conference 2011

Conference Proceedings

Eighth International Heavy Minerals Conference 2011

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Influence of Saline Water on Electrostatic/High Tension Separation

The use of saline water for mineral beneficiation in arid regions is general practice and also the case with Exxaro Namakwa Sands, situated on the west coast of South Africa. Although it is cost effective' to use sea water for mineral beneficiation, downstream process separation efficiencies may be negatively affected. This is more specific to surface dependent separation techniques such as electrostatic and high tension (HT) separation. If minimal fresh water is available then, proper washing is often neglected. Salt crystals can form on particle surfaces during the drying process before electrostatic separation.This paper describes a study that has been conducted to determine the effect of upfront salt water processing on downstream electrostatic/HT separation. The study indicated that minor quantities of salt can cause the separation efficiency to decrease substantially._x000D_
FORMAL CITATION:Ramsaywok, P, Maluleke, O S, Grobler, J D and Venter, J A, 2011. Influence of saline water on electrostatic/high tension separation, in Proceedings Eighth International Heavy Minerals Conference 2011, pp 263-270 (The Australasian Institute of Mining and Metallurgy: Melbourne).
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  • Published: 2011
  • PDF Size: 0.424 Mb.
  • Unique ID: P201112021

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