The suitability of Virginia coals for underfeed stoker equipped plants

Performance of Southwest Virginia coal: The results of the 24-hour tests herein recorded indicate that nut and slack coal from Southwest Virginia can be burned economically at burning rates of from 15.36 to 27.20 pounds of dry fuel per square foot of projected grate area per hour with an average efficiency of 75.12 per cent, with extremes of 73.21 and 77.28 per cent.