Kinetics of coal char gasification at elevated pressures |
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| Affiliation: | 1. State Environmental Protection Key Laboratory of Efficient Utilization Technology of Coal Waste Resources, Institute of Resources and Environmental Engineering, Shanxi University, Taiyuan 030006, China;2. CAS Key Laboratory of Green Process and Engineering, National Engineering Research Center of Green Recycling for Strategic Metal Resources, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100090, China;3. School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | The effects of temperature, pressure, steam flow rate and CO2/H2O ratio of gasifying agent on the pressurized gasification of Linnancang coal char were investigated. A correlation of kinetic data was developed for coal chars from coals of different ranks at 30 kg cm −2 and 950 °C. The catalytic effects of Ca, Na and Fe catalysts on the gasification activity, activation energy and methane recovery were studied. |
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