Models of tar formation during coal devolatilization

Understanding tar formation in coal combustion and gasification is important for several reasons. Tar is often the volatile product of highest initial yield, and thus controls ignition and flame stability. Tar is a precursor to soot which is important to radiative heat transfer. The process of tar f...

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Published inCombustion and flame Vol. 71; no. 2; pp. 137 - 146
Main Authors Solomon, Peter R., Hamblen, David G., Carangelo, Robert M., Serio, Michael A., Deshpande, Girish V.
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier Inc 1988
Elsevier Science
Subjects
Applied sciences
Combustion of solid fuels
Combustion. Flame
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Theoretical studies. Data and constants. Metering
Pyrolysis
Combustion residue
Tar
Volatilization
Coal
Combustion
Modeling
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Summary:Understanding tar formation in coal combustion and gasification is important for several reasons. Tar is often the volatile product of highest initial yield, and thus controls ignition and flame stability. Tar is a precursor to soot which is important to radiative heat transfer. The process of tar formation is intimately linked to the char viscosity and subsequent physical and chemical structure of the char, and so is important to char swelling, agglomeration, and reactivity. The purpose of this paper is to describe the DVC model, compare it to the DISCHAIN model, and assess the important features of such models.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0010-2180
1556-2921
DOI:10.1016/0010-2180(88)90003-X