Part 1 Characterization of High-Sulphur Coals (4 papers): Further sulphur speciation studies by sulphur K-edge Xanes spectroscopy (G.P. Huffman, N. Shah, F.E. Huggins, F. Lu, J. Zhao). Part 2 Coal Desulphurization - Physical (15 papers): Electrochemical equilibria in coal flotation systems and their role in determining the interfacial properties of pyrite and its separation from coal (D. Liu, P. Somasundaran, P.F. Duby). The interaction of thioglycolic acid and pyrite (S. Luo, J.F. McClelland, T.D. Wheelock). On the native and induced floatability of coal and pyrite (C. Jiang, X.H. Wang, J.W. Leonard, B.K. Parekh). Part 3 Coal Desulphurization - Chemical and Biological (8 papers): Chemical desulphurization of Canadian high sulphur coal with potassium permanganate Y.A. Attia, A. Fung). Isolation and kinetic analyses of bacterial strains which desulphurize model compounds characteristic of coal (P. Wang, A.E. Humphrey, S. Krawiec). Part 4 Combustion (6 papers): Characterization of fluidized bed combustion fly ashes produced from high sulphur coals (S.S. Akhtar, S.M. Schlorholtz). Mild temperature fluidized bed gasification of coal/phosphoric acid mixtures - Partitioning coal sulphur to the gas as H2S (J.M. Stencel, J.K. Neathery, J.L. Schaefer, J. Yang). Formation of NOx and N2o in the fluidized-bed combustion of high- and low-rank coals (B.C. Young, M.D. Mann, M.E. Collings). Part 5 Postcombustion Technologies (5 papers): Efficient and cost effective NOx and S02 removal from flue gases with SNOXTM process (D.C. Borio, W.H. Kingston). Capture of greenhouse gases by novel aerogel sorbents prepared by sol-gel technology (Y.A. Attia). Part 6 Coal Desulphurization - Miscellaneous (7 papers): Spent seed regeneration in coal-fired MHD system using, weak-base anion-exchange resins (A.C. Sheth, S.D. Strevel). Microstructual characterization of morphological changes and grain-boundary fractures in coal comminution (Q. Guo, X.H. Wang, B.K. Parekh). Part contents.