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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus

12 Issues per year


IMPACT FACTOR 2017: 1.144
5-year IMPACT FACTOR: 1.144

CiteScore 2017: 1.08

SCImago Journal Rank (SJR) 2017: 0.495
Source Normalized Impact per Paper (SNIP) 2017: 0.495

Online
ISSN
2196-7156
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Volume 232, Issue 2

Issues

Electrochemical Lignin Degradation in Ionic Liquids on Ternary Mixed Metal Electrodes

Daniel Rauber
  • Institute of Physical Chemistry, Saarland University, Campus B2.2, 66123 Saarbrücken, Germany
  • Transfercentre Sustainable Electrochemistry, Saarland University and KIST Europe, 66125 Saarbrücken, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Tobias K.F. Dier
  • Institute of Bioanalytical Chemistry, Saarland University, Campus B2.2, 66123 Saarbrücken, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Dietrich A. Volmer
  • Institute of Bioanalytical Chemistry, Saarland University, Campus B2.2, 66123 Saarbrücken, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Rolf Hempelmann
  • Corresponding author
  • Institute of Physical Chemistry, Saarland University, Campus B2.2, 66123 Saarbrücken, Germany
  • Transfercentre Sustainable Electrochemistry, Saarland University and KIST Europe, 66125 Saarbrücken, Germany
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2017-10-06 | DOI: https://doi.org/10.1515/zpch-2017-0951

Abstract

Lignin is the second most abundant natural polymer and a promissing feedstock for the generation of renewable aromatic chemicals. We present an fundamental approach for the electrocatalytic cleavage of lignin dissolved in a recoverable, inexpensive ionic liquid using mixed metal oxide electrodes of different compositions. The distribution of depolymerization products generated by electrochemical oxidation were analyzed by means of mass spectrometry. The distribution and yield of the cracked species was found to depended strongly on the implemented metal catalyst and therefore offers the potential to tailor the amount and composition of the low molecular weight cleavage products. This approach could help to provide a more sustainable valorization of lignin for the potential production of high value aromatic compounds due to synergistic effects.

Keywords: electrochemistry; ionic liquids; lignin; sustainable

References

About the article

Received: 2017-02-28

Accepted: 2017-08-21

Published Online: 2017-10-06

Published in Print: 2018-02-23


Citation Information: Zeitschrift für Physikalische Chemie, Volume 232, Issue 2, Pages 189–208, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1515/zpch-2017-0951.

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