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Process development studies on recovery of clean coal from ultra fine hardcoal tailings using enhanced gravity separator
Author(s) -
Özgen Selçuk,
Türksoy Velit Orçun,
Sabah Eyüp,
Oruç Filiz
Publication year - 2009
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.20206
Subject(s) - beneficiation , arithmetic underflow , tailings , hydrocyclone , gravity separation , clean coal , coal , separator (oil production) , waste management , environmental science , specific gravity , fly ash , materials science , chemistry , metallurgy , mineralogy , environmental engineering , engineering , physics , classical mechanics , computer science , thermodynamics , programming language
In this study, we report the experimental results with respect to the beneficiation of fine hardcoal from the Çatalağzı Coal Preparation site tailings containing about 90% (by weight) of −600 µm size particles. These tailings contain 28.41% ash. The coal sample was subjected to a two‐stage concentration process. The underflow product of hydrocyclone under optimized conditions was further processed in Mozley Multi‐Gravity Separator to reduce the ash content of the coal. The results showed that a coal product containing 6.98% ash was obtainable with recovery of 61.73% by this two‐stage concentration process.

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