Using 2D NMR to characterize the structure of the low and high molecular weight fractions of bio-oil obtained from LignoBoost™ kraft lignin depolymerized in subcritical water
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- 作者：Cecilia Mattssona ; cecilia.mattsson@chalmers.se" class="auth_mail" title="E-mail the corresponding author ; Sven-Ingvar Anderssonb ; sianders@chalmers.se" class="auth_mail" title="E-mail the corresponding author ; Tallal Belkheirib ; tallal.belkheiri@chalmers.se" class="auth_mail" title="E-mail the corresponding author ; Lars-Erik Å ; mandb ; lars-erik.amand@chalmers.se" class="auth_mail" title="E-mail the corresponding author ; Lars Olaussonc ; lars.olausson@chalmers.se" class="auth_mail" title="E-mail the corresponding author ; Lennart Vamlingb ; lennart.vamling@chalmers.se" class="auth_mail" title="E-mail the corresponding author ; Hans Theliandera ; d ; hanst@chalmers.se" class="auth_mail" title="E-mail the corresponding author
- 关键词：Subcritical water ; Base-catalyzed depolymerization (BCD) ; Phenol ; Bio-oil ; Char heteronuclear single quantum coherence (HSQC)
- 刊名：Biomass and Bioenergy
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：95
- 期：Complete
- 页码：364-377
- 全文大小：2144 K
文摘
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The effective de-oxygenation of lignin into bio-oil was performed (Oxygen 15%).
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Aliphatic lignin inter-unit bonds were depolymerized in all bio-oil fractions.
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The main oxygen content in the bio-oil was connected to aromatic rings.
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High Mw fractions were new repolymerized macromolecules.
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2D NMR structural characterization of the fractionated bio-oil.