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Investigation of the effectiveness of desliming and flotation in cleaning Malatya-Arguvan lignite

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This study investigated the possibility of cleaning Malatya-Arguvan lignite using the flotation method. Because preliminary flotation studies suggested that desliming affects flotation performance, an attempt was made to quantify the effects of the major influencing parameters on the effectiveness of desliming and flotation. Because the optimum collector dosage was found to be very high, the effects of addition of sodium oleate and Aero 3477 were also investigated, to reduce the collector dosage. However, flotation results showed that the addition of sodium oleate and Aero 3477 does not alter the collector dosage significantly. Despite all the aforementioned efforts, only 20% of feed ash could be removed.
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Keywords: Deashing; Malatya-Arguvan lignite; desliming; factorial design of experiments; flotation

Document Type: Research Article

Affiliations: 1: Department of Mining Engineering, Dicle University, Diyarbakır, Turkey 2: Department of Mining Engineering, Indian Institute of Technology, Kharagpur, India

Publication date: April 17, 2016

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