Ignition of coal powders in the presence of natural gas,oxygen, and reactive admixtures |
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| Authors: | N. M. Rubtsov B. S. Seplyarskii G. I. Tsvetkov V. I. Chernysh |
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| Affiliation: | (1) School of Chemical Engineering and Technology, Qingdao University of Science and Technology, Qingdao, 266042, China;(2) State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China; |
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| Abstract: | At elevated temperatures (650–750°C), coating the inner surface of the reactor with coal dust exerts a significant effect on the ignition of hybrid coal-gas mixtures because coal evolves an effective inhibitor of methane combustion upon heating. The hybrid mixtures consisting of a coal powder and a stoichiometric natural gas-oxygen mixture do not ignite in the reactor lined with coal dust. |
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