DBPapers
DOI: 10.5593/sgem2011/s04.110

DRY LIGNITE TREATMAN OF KOSOVO IN THE FRYING ORE SMELTER FERRONIKELI IN THE NEW DRENAS

AUTHOR/S: Z. GASHI, S. IMERI, N. TAHIRAJ
Monday 1 August 2011 by Libadmin2011

11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 1, 1125-1130 pp

ABSTARCT

In this study, in industrial way, is treated the use of dray lignite of Republic of Kosovo,
as an important factor in pre-reduction process of silicate Fe-Ni ores in smelting plant of
Fe-Ni in New Co Ferronickel.
Industrial results has been shown, that using of Kosovo dry lignite has been positively
effected in increasing the temperature of roasted material of Rotary Kilns, decreasing of
stacking material inside rotary kilns, increasing of pre-reduction of Fe and Ni in roasted
material, decreasing of black oil consumption, decreasing of shut down time of rotary
Kilns and increasing of production capacity of rotary kilns.
Producing of calcine with relatively high temperature 660 – 700 C, indirectly has
indicated positively in decreasing of electrical specific consumption during smelting of
calcine in electric furnaces.

Keywords: Calcine, rotary kiln, Fe-Ni, lignite, pre-reduction

PAPER 2011/s04.110: DRY LIGNITE TREATMAN OF KOSOVO IN THE FRYING ORE SMELTER FERRONIKELI IN THE NEW DRENAS

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