Sulfur retention by ash during coal combustion - Part I: A model of char particle combustion | Zendy

Mladen S. Ilic | Zendy; Borislav Grubor | Zendy; Vasilije Manović | Zendy

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Sulfur retention by ash during coal combustion - Part I: A model of char particle combustion

Author(s) -

Mladen S. Ilic,

Borislav Grubor,

Vasilije Manović

Publication year - 2003

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0302137i

Subject(s) - char , combustion , coal , sulfur , coal combustion products , porosity , particle (ecology) , fluidized bed combustion , chemistry , chemical engineering , mineralogy , materials science , geology , organic chemistry , engineering , oceanography

A model for the combustion of porous char particles as a basis for modeling the pro- cess of sulfur retention by ash during coal combustion is developed in this paper. The model belongs to the microscopic intrinsic models and describes the dynamic behavior of a porous char particle during comustion, taking into account temporal and spatial changes of all impor- tant physical properties of the char particle and various combustion parameters. The paramet- ric analysis of the enhanced model shows that the model represents a good basis for the devel- opment of a model for the process of sulfur retention by ash during coal combustion. The model enables the prediction of the values of all parameters necessary for the introduction of reactions between sulfur compounds and mineral components in ash, primarily calcium oxide.

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