University of Groningen
Valorization strategies for pyrolytic lignin
Bernardes Figueiredo, Monique
DOI:
10.33612/diss.111703614
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Publication date:
2020
Link to publication in University of Groningen/UMCG research database
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Bernardes Figueiredo, M. (2020). Valorization strategies for pyrolytic lignin. University of Groningen.
https://doi.org/10.33612/diss.111703614
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Catalytic hydrotreatment of pyrolytic lignins from
different sources to biobased chemicals: Identification
of feed-product relations
This chapter has been submitted to Biomass & Bioenergy in 2019.
Valorization Strategies
for
Pyrolytic Lignin
Monique Bernardes Figueirêdo
The work described in this thesis was performed at the Department of Chemical Engineering (ENgineering and TEchnology institute Groningen - ENTEG), Faculty of Science and Engineering, University of Groningen, the Netherlands.
This research project was financially supported by the Science without Borders program from the Brazilian National Council for Scientific and Technological Development (CNPq), grant number 232493/2014-6.
ISBN (printed version): 978-94-034-2277-0 ISBN (electronic version): 978-94-034-2278-7 Cover design: Camila Schindler and Lovebird design. Layout: Lovebird design.
www.lovebird-design.com Printing: Eikon +
Copyright © 2020 by Monique Bernardes Figueirêdo. All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without prior permission of the author.
1
Valorization Strategies for Pyrolytic Lignin
PhD thesis
to obtain the degree of PhD at the University of Groningen
on the authority of the Rector Magnificus prof. C. Wijmenga
and in accordance with the decision by the College of Deans. This thesis will be defended in public on
17 January 2020 at 14.30 hours
by
Monique Bernardes Figueirêdo
Born on 5 March 1990 in Salvador, Brazil
Supervisor
Prof. dr. ir. H.J. Heeres
Co-supervisor
Dr. P.J. Deuss
Assessment Committee
Prof. dr. F. Picchioni
Prof. dr. P.P. Pescarmona
Prof. dr. P.C.A. Bruijnincx
Dedicated to my inspiring grandmothers Isabel, Luisa and Olga.
Table of Contents
Chapter 1.
Pyrolytic lignin: a promising feedstock for fuels and valuable
chemicals ...9
Chapter 2. In-depth structural characterization of the lignin fraction of a pine- derived pyrolysis oil ...35
Chapter 3. Hydrotreatment of pyrolytic lignins to aromatics and phenolics using heterogeneous catalysts ...63
Chapter 4. Catalytic hydrotreatment of pyrolytic lignins from different sources to biobased chemicals: identification of feed-product relations ...95
Chapter 5. Valorization of pyrolysis liquids: ozonation of the pyrolytic lignin fraction and model components ...129
Chapter 6. Efficient depolymerization of lignin to biobased chemicals using a two-step approach involving ozonation in a continuous flow micro-reactor followed by catalytic hydrotreatment ...163
Chapter 7. Ozone mediated depolymerization and solvolysis of technical lignins at ambient conditions in ethanol ...197
Chapter 8. A two-step approach for the conversion of technical lignins to biofuels ...225 Addendum Summary ...258 Samenvatting ...261 Resumo ...264 Resumen ...267 Acknowledgments ...270 List of publications ...274
