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The Recovery of Coal from Waste Coal Slurry by Cyclojet Flotation Cell

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In this article, experiments were conducted under various working conditions in order to recover coal from waste coal slurry by cyclojet flotation. Waste coal slurry with 47.50% ash yielded products having an ash content of 7–17% with 65–80% combustible recoveries. It has been found that results of the cyclojet cell are close to the release curve, and the cyclojet cell can be substituted for the mechanically-agitated conventional cell. Moreover, the total flotation time for the cyclojet cell is 30 seconds and a cell with a capacity of 100 liters can enrich as much as 0.6 tonne of coal (for 5% solid ratio). It has other important advantages, such as having a simple structure, requiring little room, and being easy to operate.
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Keywords: agitated cell; coal slurry; cyclojet cell; flotation; release

Document Type: Research Article

Affiliations: 1: Mining Engineering Department,İstanbul University, Avcilar,İstanbul, Turkey 2: Mining Engineering Department,Karaelmas University, Zonguldak, Turkey

Publication date: November 1, 2012

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