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Mechanism research on fast pyrolysis of Organosolv lignin by pyrolyzer coupled with gas chromatography and mass spectrometry
In this study, fast pyrolysis of Organosolv lignin was carried out on an analytical pyrolyzer coupled with gas chromatography and mass spectrometry detectors. The pyrolytic products included phenols, furans, linear acids, or esters, as well as a small amount of alcohol and acetic acid. Phenolic compounds were main products, whose yields changed not obviously at different temperature with holding time increasing. But the successive tests showed that the fast pyrolysis with rapid condensation extensively favored the formation of phenolic compounds. The breakage of propane side chain at different positions led to various formations of products. The Cα-Cβ bond was easiest to break and formed aldehyde group, which produced the most abundant products of vanillin and syringaldehyde. The breakage of C4-Cα bond to form guaiacol and syringol was the most difficult reaction in the aromatic skeleton degradation.
Mechanism research on fast pyrolysis of Organosolv lignin by pyrolyzer coupled with gas chromatography and mass spectrometry
In this study, fast pyrolysis of Organosolv lignin was carried out on an analytical pyrolyzer coupled with gas chromatography and mass spectrometry detectors. The pyrolytic products included phenols, furans, linear acids, or esters, as well as a small amount of alcohol and acetic acid. Phenolic compounds were main products, whose yields changed not obviously at different temperature with holding time increasing. But the successive tests showed that the fast pyrolysis with rapid condensation extensively favored the formation of phenolic compounds. The breakage of propane side chain at different positions led to various formations of products. The Cα-Cβ bond was easiest to break and formed aldehyde group, which produced the most abundant products of vanillin and syringaldehyde. The breakage of C4-Cα bond to form guaiacol and syringol was the most difficult reaction in the aromatic skeleton degradation.
Mechanism research on fast pyrolysis of Organosolv lignin by pyrolyzer coupled with gas chromatography and mass spectrometry
Guo, Xiujuan (author) / Wang, Shurong (author)
2015-03-01
7 pages
Article (Journal)
Electronic Resource
English
Thermochemische Spaltung von Organosolv‐Lignin
| Wiley | 2014
Progress of the Pyrolyzer Reactors and Advanced Technologies for Biomass Pyrolysis Processing
| DOAJ | 2021