Maghemite - a source of heavy medium for coal washeries

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2010

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Energy Systems Engineering
(2009)
The Department of Energy Systems Engineering admitted its first students and started education in the academic year of 2009-2010 under Atılım University School of Engineering. In this Department, all kinds of energy are presented in modules (conventional energy, renewable energy, hydrogen energy, bio-energy, nuclear energy, energy planning and management) from their detection, production and procession; to their transfer and distribution. A need is to arise for a surge of energy systems engineers to ensure energy supply security and solve environmental issues as the most important problems of the fifty years to come. In addition, Energy Systems Engineering is becoming among the most important professions required in our country and worldwide, especially within the framework of the European Union harmonization process, and within the free market economy.

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Abstract

Use of magnetite as heavy medium in coal preparation plants has been increasing steadily in recent years. It might be in short supply in some areas or excessively costly in certain times. In Turkey, the cost of heavy medium magnetite has almost tripled since 2003. As a result, alternative sources of heavy medium material have been evaluated. A maghemite ore from Elbistan-Kahramanmaras was found to be an interesting source. Tests showed that the maghemite ore can be enriched via magnetic separation at 1556 gauss to obtain a heavy medium material with 4.93 g/cm3 density and 97.22 per cent magnetic recovery. Further tests were conducted to determine the optimum fi eld strength for magnetic separation, friability and regeneration recovery.

Description

Ausenco; Outotec; Vale; Rio Tinto; Barrick

Keywords

Coal cleaning, Dense medium, Maghemite, Magnetic separation

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Source

XXV International Mineral Processing Congress 2010, IMPC 2010 -- 25th International Mineral Processing Congress 2010, IMPC 2010 -- 6 September 2010 through 10 September 2010 -- Brisbane, QLD -- 92741

Volume

1

Issue

Start Page

571

End Page

574

URI

https://hdl.handle.net/20.500.14411/9243

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Scopus