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A New Application of the Severity Factor Kinetic Model: Thermal Plasma Treatment of Black Liquor
Author(s) -
Yargeau Viviane,
Marcos Bernard,
Soucy Gervais
Publication year - 2004
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.5450820608
Subject(s) - black liquor , formic acid , kinetic energy , kinetics , chemistry , thermal decomposition , decomposition , catalysis , sulfur , thermodynamics , nonthermal plasma , thermal , plasma , chemical engineering , organic chemistry , engineering , physics , quantum mechanics , lignin
The kinetic analysis of the treatment of black liquor by a thermal process can be performed in the conventional overall kinetic approach. However, while the detailed reaction mechanism remains unknown, the experimental analysis of black liquor treatment by submerged plasma demonstrates that the operating conditions (catalyst, plasma gas, temperature…) modify the kinetics and render this approach inefficient. The phenomenological approach based on the severity factor developed for the kinetic analysis of lignocellulose decomposition, is then proposed as an alternative to the conventional approach. The 3‐parameters model is validated for decomposition of formic acid and for sulfur oxidation.

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