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Peat char reactivity in CO 2 atmosphere at high pressures
Author(s) -
Fauteux D.,
Chornet E.
Publication year - 1984
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450620315
Subject(s) - char , arrhenius equation , activation energy , peat , atmosphere (unit) , reactivity (psychology) , thermodynamics , chemistry , kinetic energy , kinetics , substrate (aquarium) , analytical chemistry (journal) , materials science , organic chemistry , coal , geology , physics , medicine , ecology , alternative medicine , oceanography , pathology , quantum mechanics , biology
Reactivities of peat char have been measured in CO 2 –N 2 gas mixtures at temperatures ranging from 600°C and 900°C and pressures of up to 9.1 MPa using a fixed bed placed in a flow reactor. A semi‐empirical kinetic expression is presented which includes the temperature, CO 2 pressure and variation in the specific area of the substrate. An Arrhenius equation is used to obtain an activation energy of 99.1 kJ/mol for the gasification process.
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