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A Modified Gibbs Free Energy Minimisation Model for Fluid Bed Coal Gasification

100%
Ściążko M., Stępień L.
Chemical and Process Engineering
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2015
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vol. 36
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issue 1
73-87
EN
A modified approach to equilibrium modelling of coal gasification is presented, based on global thermodynamic analysis of both homogeneous and heterogeneous reactions occurring during a gasification process conducted in a circulating fluid bed reactor. The model is based on large-scale experiments (ca. 200 kg/h) with air used as a gasification agent and introduces empirical modifications governing the quasi-equilibrium state of two reactions: water-gas shift and Boudouard reaction. The model predicts the formation of the eight key gaseous species: CO, CO2, H2O, H2, H2S, N2, COS and CH4, volatile hydrocarbons represented by propane and benzene, tar represented by naphthalene, and char containing the five elements C, H, O, N, S and inorganic matter.
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A Modified Gibbs Free Energy Minimisation Model for Fluid Bed Coal Gasification

88%
Ściążko M., Stępień L.
Chemical and Process Engineering
|
2015
|
issue 1
3
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Petrographic composition of coal from the Janina mine and char obtained as a result of gasification in the CFB gasifier

88%
Bielowicz B.
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vol. 35
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issue 1
4
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Petrographic composition of char from the gasification of coal from the Wieczorek Mine after combustion

75%
Maciejończyk N., Bielowicz B.
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vol. 35
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issue 2
5
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Corrosion Behavior of Hastelloy® C-2000® Ni-Cr-Mo-Fe Alloys in the Entrained-Flow Coal Gasification Syngas Plants

75%
Lee S., Kim M. J., Choi N., Hwang S. Y., Chung S.-W., Lee S.-J., Yun Y., Lee S., Kim M. J., Choi N., Hwang S. Y., Chung S.-W., Lee S.-J., Yun Y.
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