The effect of ethanol on hydroxyl and carbonyl groups in biopolyol produced by hydrothermal liquefaction of loblolly pine: 31P-NMR and 19F-NMR analysis

The effect of ethanol on hydroxyl and carbonyl groups in biopolyol produced by hydrothermal... •For the first time, 31P-NMR and 19F-NMR were employed to understand the effect of ethanol on the formation bio-oil.•Ethanol significantly increased the bio-oil and decreased the residue yield.•Addition of ethanol increased the hydroxyl concentration while decreased the carbonyl concentration.•More aliphatic and less phenolic type OH was obtained when ethanol was used as a co-solvent. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bioresource Technology Elsevier

The effect of ethanol on hydroxyl and carbonyl groups in biopolyol produced by hydrothermal liquefaction of loblolly pine: 31P-NMR and 19F-NMR analysis

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Publisher
Elsevier
Copyright
Copyright © 2016 Elsevier Ltd
ISSN
0960-8524
D.O.I.
10.1016/j.biortech.2016.04.066
Publisher site
See Article on Publisher Site

Abstract

•For the first time, 31P-NMR and 19F-NMR were employed to understand the effect of ethanol on the formation bio-oil.•Ethanol significantly increased the bio-oil and decreased the residue yield.•Addition of ethanol increased the hydroxyl concentration while decreased the carbonyl concentration.•More aliphatic and less phenolic type OH was obtained when ethanol was used as a co-solvent.

Journal

Bioresource TechnologyElsevier

Published: Aug 1, 2016

References

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