UP GRADATION OF LIGNITE COAL BY WET SIEVE TECHNIQUE FROM MATASUKH MINES OF NAGAUR, RAJASTHAN, INDIA

Energy consumption per capita in modern society, The drastic development in industrial sector, commercial sector due to atomization the energy supply was started by lignite coal along with other energy source in which wet sieve technique is a physical met hod to up gradation by using size of coal particle with water. The lignite sample contained fix carbon=7.62%, ash= 39.90%, and volatile matter=22.48 % and marginally lowers calorific value =1748.84 kcal/kg. The retained weight= 44.5% of +100 mesh and passi ng weight =55.5 % for - 100 mesh were obtained of fine size rang 100 mesh(0.149mm) to 1mm in wet sieve technique. The material was transformed into a value added product of CV=2332.3 kcal/kg of fine size of lignite coal particle. The wet sieve technique gav e CV+583.46 kcal/kg value added lignite coa