The bagasse contains 45% moisture (and the sub-bituminous coal has no specific grade).
I need an approximate value.
Sankalp Shrivastav and
Ibrahim Hussain indicate in their article "Design of Bagasse Dryer to Recover Energy of Water Tube Boiler in a Sugar Factory" International Journal of Science and Research 2:8 (2013) that bagasse Cp is 0.46 kJ/kg K, though that seems low by at least a factor of 2 to me. Bagasse has a large cellulose component, and cellulose Cp is 1.3 to 1.5 kJ/kg K. The other major components, water and lignin, are comparable (lignin) or much higher still (water).
Subbituminous coal heat capacity is about 1.6 kJ/kg K at room temperature according to L.L. Isaacs and E. Tsafantakis, HEAT CAPACITIES OF ARGONNE.PREMIUM COAL SAMPLES (no date given). This seems about right to me.
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