Fluidized-bed gasification of some Western Canadian coals |
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Authors: | Luis A Gutierrez APaul Watkinson |
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Affiliation: | Department of Chemical Engineering, The University of British Columbia, Vancouver, BC V6T 1W5, Canada |
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Abstract: | Three Western Canadian coals were gasified with air and steam in a fluidized bed of 0.73 mm sand and coal, at atmospheric pressure and temperatures of 1023–1175K to produce a low-calorific-value gas. One non-caking and two caking coals were tested. The effects of temperature, coal feed rate, ratio, ratio, coal quality, coal particle size and bed depth on gas composition, gas calorific value and operating stability of the gasifier were established. Results are compared with those previously obtained for the same three coals when gasified in essentially the same equipment, but operated as a spouted bed. |
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Keywords: | coal coal gasification fluidized-bed gasification |
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