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