THE EFFECT OF NUCLEAR REACTOR IRRADIATION DURING LOW TEMPUERATURE CARBONIZATION OF BITUMINOUS COALS

Special Research Report SR-14 Eight bituminous coals were irradiated continuously at a power level of 100 kilowatts during low temperature carbonization (max. temp. 600.,C.) for periods lasting either three or eight hours. Duri.ng carbonization, the rate of evolution of the evolved gas was measured; and the composition of the main constituents of the gas was determined. Thereafter, the coke and tar were examined. No effect was found on the rate of gas evolution or its composition for six of the coals, while the two remaining coals showed marked decreases in gas evolution with no significant change in gas composition. The effect of the rate of heating was studied in the range 3.,-6.,C. per minute and was found to have no effect. The effect of the power level at which the reactor operated was studied, using the coal having the maximum decrease in gas evolution at 100 KW. It was found that, at both 10 and 1 KW power levels, the gas evolution wa.s that. of the unirradiated sample. In no case was an increase in tar yield observed and all the coking coals exhibited an increased tendency to swell. This increase in swelling during carbonization is considered to be the only true effect produced by irradiation during carbonization. The apparent changes in gas evolution observed with two of the coals studied are considered to be purely fortuitous, due to the design of the apparatus.

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Work Title THE EFFECT OF NUCLEAR REACTOR IRRADIATION DURING LOW TEMPUERATURE CARBONIZATION OF BITUMINOUS COALS
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Open Access
Creators
  1. HAMMOND, J. A.
  2. WALKER, P. L., Jr.
Keyword
  1. mineral
License Attribution-NonCommercial-NoDerivs 3.0 United States
Work Type Report
Acknowledgments
  1. Earth and Mineral Sciences College
Deposited July 27, 2016

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