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Aspects of gasification and structure in cokes from coals
Authors:Isao Mochida  Yozo Korai  Hiroshi Fujitsu  Kenjiro Takeshita  Yoshinobu Komatsubara  Kei-Ichiro Koba  Harry Marsh
Affiliation:1. Research Institute of Industrial Science, Kyushu University, Sakamoto, Kasuga-City. Fukuoka 812, Japan;1. Katsunori Komatsubara, Kei-ichiro Koba, Department of Production Administration, Mitsui-Kozan Coking Industry Co., Hibiki-1 Wakamatsu, Kitakyushu 808, Japan;2. Northern Carbon Research Laboratories, School of Chemistry, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU, UK
Abstract:Cokes were prepared from nine coals of different rank and characterized by surface area measurement, reactivity to carbon dioxide at 1473K and Raman-laser spectroscopy. Rates of gasification of cokes on a unit surlface area basis (K1 = g m?2 min?1) decreased with increasing rank of parent coal based on maximum oil reflectances. However rates of gasification could not be related to coke structure as measured by Raman-laser spectroscopy.
Keywords:coke  reactivity  structure
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