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http://dx.doi.org/10.3740/MRSK.2007.17.11.606

A study on the Beneficiation for Magnesite by the Grinding Characteristic of Rock Forming Minerals  

Kim, Sang-Bae (Minerals & Materials Processing Division, Korea Institute of Geoscience & Mineral Resources)
Park, Hyung-Kyu (Minerals & Materials Processing Division, Korea Institute of Geoscience & Mineral Resources)
Kim, Wan-Tae (Minerals & Materials Processing Division, Korea Institute of Geoscience & Mineral Resources)
Kim, Yun-Jong (Minerals & Materials Processing Division, Korea Institute of Geoscience & Mineral Resources)
Publication Information
Korean Journal of Materials Research / v.17, no.11, 2007 , pp. 606-611 More about this Journal
Abstract
This study was conducted to beneficiation of magnesite by dry grinding and air classification. The raw ore was ground in a ball mill and pin mill controlled with grinding time and linear velocity of grinding media and fractionated in an air classifier. Pin mill is more efficient than the ball mill for liberation. As a result, the MgO grade of concentrate was 47.1% with recovery of 51.51% for classified with 3,000rpm of air classifier for ground at 13,000rpm in pin mill.
Keywords
Magnesite; Beneficiation; Grinding; Classification; Recovery;
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