The Boudouard–Bell reaction analysis under high pressure conditions |
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| Authors: | Andrzej Mianowski Zbigniew Robak Martyna Tomaszewicz S?awomir Stelmach |
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| Institution: | 1. IChPW, Institute for Chemical Processing of Coal, Zamkowa 1 Street, 41-803, Zabrze, Poland
2. Department of Inorganic Chemistry, Technology and Fuels, Silesian University of Technology, Krzywoustego 6 Street, 44-100, Gliwice, Poland
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| Abstract: | A new method for the measurement of solid fuel reactivity towards carbon dioxide has been developed. This new method takes into account high-pressure and temperature effects. Three devolatilized carbonaceous materials have been used in experiments: chars derived from lignite, bituminous coal and blast furnace coke. Processes were carried out at temperatures of 800, 850 and 900?°C and pressures of 1.52, 2.5 and 3.4?MPa. Analysis of the product gas composition was carried out with the maximum degree of conversion of CO2 (??m) proposed as a representative reactivity parameter. Arrhenius and Eyring relationships have been analyzed, and values of the activation energy and activation volume have been calculated. |
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