期刊
出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/zpch-2017-0951
关键词
electrochemistry; ionic liquids; lignin; sustainable
资金
- German Research Foundation (DFG) [HE 2403/19-1/VO 1355/4-1]
- Alfried Krupp von Bohlen und Halbach-Stiftung
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.
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