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ABSTRACT
In this study, the influence of activating treatment on the demineralization of a lignite sample utilizing the reverse flotation was studied. A lignite sample containing 42.09% ash, 0.86% sulfur, 38.46% volatile matter and 19.45% fixed carbon was used in experiments. Quartz, clay mineral, feldspar (plagioclase) mineral and mica mineral were determined as dominant minerals. The activation of gangue minerals (particularly quartz) using lead, tin, iron, and aluminum salts were performed. The influences of different parameters were investigated. Reverse flotation results demonstrated that a clean coal having 35.81% ash and 61.81% combustible yield could be gained in the usage of tin salt.
Acknowledgments
Author kindly acknowledges the financial support of TUBİTAK (The Scientific and Technological Research Council of Turkey) (project number: 216M126).
Conflict of Interest
The author declares that they have no conflict of interest.
Supplementary material
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Halime Abakay Temel
Halime Abakay Temel graduated from the Mining Engineering Department of Dicle University, Diyarbakır, Turkey in 1997. She obtained her MSc in 2001 from the same department. She obtained her PhD in 2007 from the Mining Engineering Department of Eskişehir Osmangazi University, Eskişehir, Turkey. She is currently a Professor in the mineral processing division of the Mining Engineering Department of Dicle University, Diyarbakır, Turkey.