2014
DOI: 10.1021/jp5036579
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Mechanism of Fast Pyrolysis of Lignin: Studying Model Compounds

Abstract: Fast pyrolysis of lignin is one of the most promising methods to convert the complex and irregular structure of lignin into renewable chemicals and fuel. During pyrolysis the complex set of radical reactions, rearrangements, and eliminations is influenced by temperature, pressure, and the lignin origin and structure. This model compound study aims to understand reaction pathways and how primary intermediates lead to the observed product selectivity. The pyrolysis microreactor directly connected to the gas chro… Show more

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Cited by 134 publications
(147 citation statements)
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“…[21,31] This process is influenced by the stability of the formed radical and by the proximal chemical environment. [12] Besides the process of radical formation by homolytic fission, radical formation may occur by hydrogen abstraction.…”
Section: Yieldmentioning
confidence: 99%
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“…[21,31] This process is influenced by the stability of the formed radical and by the proximal chemical environment. [12] Besides the process of radical formation by homolytic fission, radical formation may occur by hydrogen abstraction.…”
Section: Yieldmentioning
confidence: 99%
“…This reaction process becomes more dominant the higher the concentration of the molecules. [21] Beyond radical formation, other reactions are especially prevalent at low temperatures, such as retro-ene, dehydration-, decarboxylation-, and condensation reactions. At high temperature, different reaction mechanisms become more dominant, as demonstrated by the Maccoll reaction of the 2-phenethyl-phenylether model compound.…”
Section: Yieldmentioning
confidence: 99%
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“…The lignin is merely converted to low concentration of phenolics and char. As it becomes more evident that large amounts of hydrolytic lignin will be produced in future bioethanol plants, lignin has gained interest as a chemical feedstock or aromatic compounds such as catechols, guaiacol, syringol, phenol, furfural, and acetic acid [22,23]. …”
Section: Physical-based Conversionmentioning
confidence: 99%