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This book offers the state of the art on the progress and
accomplishments of 25 years of research at the Associate Laboratory
LSRE-LCM - Laboratory of Separation and Reaction Engineering -
Laboratory of Catalysis and Materials on lignin conversion to
value-added products and their downstream separation. The first
valorisation pathway presented for lignin is its partial
depolymerisation by oxidation for the production of low molecular
weight phenolic compounds, such as vanillin and syringaldehyde, and
the second one is the lignin application as macromonomer for
polyurethane synthesis. In this book, the authors present the
integration of these two valorisation pathways as an exclusive
vision of LSRE-LCM resulting from hands-on experience on reaction
and separation processes: the integrated process for lignin
valorisation. In this perspective, the lignin is oxidized to
simultaneously produce syringaldehyde and vanillin, and the
obtained by-products to produce a polyol for lignin-based
polyurethanes, completing the lignin value chain. On the
perspective of pulp mill-related biorefineries, a valorisation
route for eucalyptus bark is also presented, focusing on LSRE-LCM
experience on extraction and separation of bioactive polyphenols,
giving some insights about further integration of extracted bark on
biorefining operations.
This book offers the state of the art on the progress and
accomplishments of 25 years of research at the Associate Laboratory
LSRE-LCM - Laboratory of Separation and Reaction Engineering -
Laboratory of Catalysis and Materials on lignin conversion to
value-added products and their downstream separation. The first
valorisation pathway presented for lignin is its partial
depolymerisation by oxidation for the production of low molecular
weight phenolic compounds, such as vanillin and syringaldehyde, and
the second one is the lignin application as macromonomer for
polyurethane synthesis. In this book, the authors present the
integration of these two valorisation pathways as an exclusive
vision of LSRE-LCM resulting from hands-on experience on reaction
and separation processes: the integrated process for lignin
valorisation. In this perspective, the lignin is oxidized to
simultaneously produce syringaldehyde and vanillin, and the
obtained by-products to produce a polyol for lignin-based
polyurethanes, completing the lignin value chain. On the
perspective of pulp mill-related biorefineries, a valorisation
route for eucalyptus bark is also presented, focusing on LSRE-LCM
experience on extraction and separation of bioactive polyphenols,
giving some insights about further integration of extracted bark on
biorefining operations.
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