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Citation: Yang Huixing, Li Zhimin, Pei Zijun, Zong Wenxin, Zang Dan, Wang Li. THE STUDY OF PYROLYSIS REACTION OF COKING COAL“FENG-FENG”[J]. Chinese Journal of Applied Chemistry, ;1987, 4(6): 59-63. shu

THE STUDY OF PYROLYSIS REACTION OF COKING COAL“FENG-FENG”

1.
Department of Chemistry, Peking University

Corresponding author: Yang Huixing,
Received Date: 10 March 1986
Available Online: 3 March 1987

The pyrolysis reaction of a chinese coking coal "Feng-Feng" has been studied in this work. The overall process is treated based on a single first order decomposition model. The results show that the Arrhenious equation could only be used at the temperature lower than 700℃ with an activation energy E=46kJ/mol. The pyrolysis reaction was assumed to consist of a series of independent irreversible parallel reactions, a statistical distribution function f(E) for activation energy could be obtained. The results show that f(E) obeyed Gaussian normal statistcal distribution and the most probable activation energy was E=259kJ/mol. The volatile speciees of the coal were analyzed.The major constituent in all cases was found to be methane. It could be assumed that CH₄ came from two ways:pyrolysis reaction itself and the sccondary reactions or other volatile products.
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