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Show • • Table 1. Level 1 Analyses of MCL Coals Pittsburgh No. 8 Kentuckv No. 11 Anal sis Parent Product Parent Product MOISTURE (wt%, AS RECEIVED) 1.46 6.25 3.91 14.41 PROXIMATE ANALYSIS (wt%, DRY) Volatile Matter 41 .01 21 .56 40.92 21 .74 Fixed Carbon 48.32 78.18 51.32 77.96 Ash 10.67 0.27 7.76 0. 29 ULTIMATE ANALYSIS (wt%, DRY) Carbon 71 .84 81.70 73.51 81.82 Hydrogen 5.27 3.17 5.28 2.58 Nitrogen 1 . 15 1 .62 1 .47 1 .98 Sulfur 3.70 0.59 2.99 0.08 Oxygen 7.37 12.66 9.0 13.25 Ash 10.67 0.27 7.76 0.29 GROSS CALORIFIC VALUE 13,088 13,028 13,280 12,707 (Btu/lb, DRY) SULFUR FORMS (wt%, DRY) Pyritic 1 .62 0.06 1 . 10 0.06 Organic 2.07 0.53 1 .88 0.02 Sulfate 0.01 0.00 0.01 0.00 Total 3.70 0.59 2.99 0.08 JOR AND MINOR ELEMENTS IN THE ASH (wt%) SiOz 49.49 22.45 50.94 19.42 Al Z03 25.48 12.23 24.67 11 .88 Fe203 12.99 15 .82 11 .55 14.24 TiOz 1 .34 8.86 1 .25 7.43 CaO 0.47 0.42 0.35 0.39 MgO 2.30 6.94 2.83 8.84 NazO 1.37 4.08 0.69 4.76 KzO 1. 08 4.60 0.79 4.09 PzOs 2. 68 1 .73 2.89 3.22 S03 2.28 21.27 2.79 23. 16 ASH FUSION TEMPERATURES (OF) REDUCING ATMOSPHERE Initial Deformation 2000 1900 1950 1940 Softening 2140 2100 2080 2130 Fluid 2300 2230 2220 2260 EQUILIBRIUM MOISTURE (wt%) 3.44 52.79 8.35 57.31 SURF ACE AREA (m 2 /g) Nitrogen 2.67 533.04 7 . 1 677.82 Krypton 6.96 2.49 Carbon Dioxide 133.4 468.0 107.5 652.3 PORE VOLUME (cm 3 /g) 0.82 1 .62 0.87 1 .41 |