Journal
PROCEEDINGS OF THE COMBUSTION INSTITUTE
Volume 34, Issue -, Pages 251-258Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.proci.2012.05.066
Keywords
2,5-Dimethylfuran; Pyrolysis; Renewable fuels; Comprehensive 2D GC; Poly aromatic hydrocarbons
Funding
- Flemish Government [BOF09/01M00409]
- Fund for Scientific Research Flanders
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The thermal decomposition of 2,5-dimethylfuran is studied in a bench-scale pyrolysis set-up equipped with a dedicated on-line analysis section including a GC x GC-FID/(TOF-MS). This analysis section enables both qualitative and quantitative on-line analysis of the entire reactor effluent with an unseen level of detail. The reactor temperature was varied from 873 K to 1098 K at a fixed pressure of 1.7 bar and a residence time of 300-400 ms, covering the complete conversion range of 2,5-dimethylfuran. The main products at low conversions are hydrogen, CO, methane, phenol, 2-methylfuran, 1,3-cyclopentadiene and a C7H10O isomer. At higher conversions increasing amounts of mono-and poly-aromatics such as benzene, toluene, indene and naphthalene are formed. These species appear to be secondary reaction products of 1,3-cyclopentadiene. At the highest temperatures more than 10 mol% of 2,5-dimethylfuran is converted into mono-, di-, tri- and tetra-aromatic products, which are known soot precursors. This high tendency to form molecular weight growths species even under diluted conditions can pose a threat for the use of 2,5-dimethylfuran as a fuel. (C) 2012 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
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