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- W1966654654 abstract "The kinetics of CO 2 and H 2O gasification of a Chinese coal char in the presence of methane has been studied using a thermogravimetric analyzer (TGA) in the temperature range from 1173 to 1273 K. It was observed that the rate of carbon conversion increased with an increasing temperature and decreased with an increasing CH 4 concentration. The rate of carbon conversion during the gasification of the char experienced a maximum without the presence of methane but decreased continuously with carbon conversion in the presence of methane. Carbon deposition from CH 4 cracking reduced the overall rate of carbon conversion during gasification, but this effect was reduced as the temperature and concentration of CO 2 or H 2O were increased. A gas−solid reaction shrinking core model was developed and applied to the char−CH 4−CO 2/H 2O systems. The experimental results were used to determine the kinetic parameters. The model predictions compared favorably to the measured data. The overall carbon conversion rate has been shown to be a combination of carbon gasification, by CO 2 or H 2O, respectively, and methane cracking." @default.
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- W1966654654 date "2008-06-20" @default.
- W1966654654 modified "2023-09-23" @default.
- W1966654654 title "CO <sub>2</sub> and H <sub>2</sub>O Gasification Kinetics of a Coal Char in the Presence of Methane" @default.
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- W1966654654 doi "https://doi.org/10.1021/ef8000949" @default.
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