JOURNAL OF FACULTY OF ENGINEERING & TECHNOLOGY, Vol 15, No 1 (2008)

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Coal Desulfurization by Solvent Leaching Methods

Ali Ahmed

Abstract


Coal desulfurization prior to usage is a preprocessing in order to achieve clean fuel and reduce environmental impacts such as acid rain. Desulfurization of Lakhra (Pakistan) coal was conducted with different solvents. Coal was leached with different solvents like hot water, H2O2/H2SO4 and HNO3. It was found that the effects of the leaching temperature, agitation time and particle size on the removal of different forms of sulfur are very significant. Sulfur recovery increases with agitation time, temperature and mesh number up to a certain optimum value and then have a different trend.

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Faculty of Engineering & Technology

University of the Punjab

Lahore-54590-Pakistan