Gross Heat of Combustion of Five Hardwood Species At Differing Moisture Contents

The heat of combustion was determined for samples of some Northeastern hardwood sawdusts and yellow poplar bark. Oven dry material was wetted to obtain a range of moisture contents up to 100 percent and the gross heat of combustion determined in an oxygen bomb calorimeter. Regression curves BTU’s = e8.98126 – 0.00687 (percent MC) and BTU’s = e 9.09890 – 0.00720 (percent MC) with R. squares of 98.3 and 97.4 were obtained relating gross heat of combustion and moisture content for mixed Northeastern hardwoods and yellow poplar barks respectively.

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