Possibilities of a Thermomechanical Method for Enriching Magnesia-Bearing Raw Materials to Obtain Quality Magnesia

Possibilities of a Thermomechanical Method for Enriching Magnesia-Bearing Raw Materials to Obtain... A thermomechanical method is examined for its potential use in concentrating magnesia-bearing raw materials from the Satka deposit by removing the impure components. It is shown that roasting magnesite within the range 680 – 750°C and its subsequent break-up (abrasion) under certain mechanical loads can increase MgO content in the <0.5 mm fraction of the roasted product nearly 10%. It is established that dust entrainment is minimal and does not exceed 1.5% when the magnesite is roasted in a fixed bed. This result can be obtained with a tenfold change in the thickness of the bed (from 20 to 200 mm). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Possibilities of a Thermomechanical Method for Enriching Magnesia-Bearing Raw Materials to Obtain Quality Magnesia

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Publisher
Springer US
Copyright
Copyright © 2016 by Springer Science+Business Media New York
Subject
Material Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-016-9939-0
Publisher site
See Article on Publisher Site

Abstract

A thermomechanical method is examined for its potential use in concentrating magnesia-bearing raw materials from the Satka deposit by removing the impure components. It is shown that roasting magnesite within the range 680 – 750°C and its subsequent break-up (abrasion) under certain mechanical loads can increase MgO content in the <0.5 mm fraction of the roasted product nearly 10%. It is established that dust entrainment is minimal and does not exceed 1.5% when the magnesite is roasted in a fixed bed. This result can be obtained with a tenfold change in the thickness of the bed (from 20 to 200 mm).

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Jul 30, 2016

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