Evaluation of Çorum Alpagut Waste Lignite Fines

2001-01-01
Altun, Naci Emre
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The fine fraction having171.2 % -0.1mm particles in the Çorum Alpagut Lignite Mine of TurkishCoal Enterprises not only causes economical losses, but also is an important environmental hazardsource since this fraction is pumped and accumulated in the slime ponds around the region. Theamount collected in those ponds can be neither marketed nor removed away. Consequently, the finefraction problem in Çorum Alpagut Dodurga Lignite Mine appears to be the most importantdisadvantage for the plant. To overcome this problem, this fine fraction coal which comprises ofapproximately 20 % of the total washed coal, should be concentrated to obtain a marketable productwith acceptable calorific and ash values. For this purpose concentration experiments includingHumphrey Spiral and Shaking Table have been carried out with these fine fractions taken from thecyclones and thickener that are currently in operation in the coal washery of the plant. As a result ofthose studies, all the concentration methods have proved to be effective, producing a concentrate witha considerable calorific value increase and an acceptable ash percentage. The combustion kinetics andproperties of those fractions have also been determined by thermogravimetric methods and the resultsof the concentration studies have been supported with the combustion kinetic values of fractions andtheir products.
https://hdl.handle.net/11511/83448
http://www.minproc.pwr.wroc.pl/journal/pdf/2001/s171-180.pdf
Physicochemical Problems of Mineral Processing
Department of Mining Engineering, Article

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Citation Formats
N. E. Altun, “Evaluation of Çorum Alpagut Waste Lignite Fines,” Physicochemical Problems of Mineral Processing, pp. 171–180, 2001, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/83448.
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