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Thermodynamic and kinetic model of reforming coke-oven gas with steam

Jiayuan Zhang, Xiaohui Zhang, Zhuo Chen and Li Li

Energy, 2010, vol. 35, issue 7, 3103-3108

Abstract: The experiments of reforming the methane of coke-oven gas with steam were performed. The effects of the thermodynamic factors, such as the H2O/CH4 ratio, the conversion temperature (T) of methane and the reaction time (t), on the methane conversion rate have been investigated. The experimental results show that the H2O/CH4 ratio within the range of 1.1–1.3 and the temperature 1223–1273K are the reasonable thermodynamic conditions for methane conversion. A methane conversion of more than 95% can be achieved when the H2O/CH4 ratio is 1.2, the conversion temperature is above 1223K and the conversion time is up to 15s respectively. In additional, kinetic data of different reaction conditions were measured, and a dynamic model of methane conversion was proposed and verified. All results demonstrated that the results of the dynamic models agree well with the experiments, of which the deviation is less than 1.5%.

Keywords: Coke-oven gas; Steam reforming; Kinetics model; Conversion rate; Thermodynamic (search for similar items in EconPapers)
Date: 2010
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Handle: RePEc:eee:energy:v:35:y:2010:i:7:p:3103-3108