Abstract
Coal desulfurization prior to usage is frequently subjected to preprocessing to achieve clean fuel and reduce environmental
impacts. In this study, desulfurization of Mach coal of Balochistan was investigated with different leaching solvents. The solvents used
are NaOH and HNO3. Effects of particle size and solvent weight% on sulfur removal were studied, whereas the leaching temperature
and the agitation time were kept constant. Desulfurization experiments were carried out for 12 samples of different composition based
on different particle size and solvent weight%. Significant reduction in Sulfur was attained when the coal particle size of 10 Mesh was
used. The results indicated that Sulfur reduction was highest of 44.88% when HNO3 was used as compare to NaOH which gave
maximum Sulfur reduction of 24.72%. Sulfur recovery was found to increase with increasing solvent concentration. Decreased
desulfurization was observed with larger coal particle size of 6 Mesh. Leaching process using variable solvent concentration was found
effective and could be inexpensive for desulfurization of coal.
Faisal Mushtaq, Asadullah, Asfandyar Khan, Abdul Waheed, Syed Haseeb Sultan , Ghulamullah Kakar, Gohram Khan, Abdul Malik Rehan Abbasi . (2021) Desulfurization of Mach Coal of Balochistan by Leaching Method, Journal of Applied and Emerging Sciences, Volume-11, Issue-1.
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