Journal
MOLECULES
Volume 14, Issue 8, Pages 2747-2757Publisher
MDPI
DOI: 10.3390/molecules14082747
Keywords
perovskite-type oxide; LaFe1-xCuxO3; heterogeneous; wet aerobic oxidation; lignin; aromatic aldehydes
Funding
- Natural Science Foundation of China [50776035, U0733001]
- Foundation of Scientific Research for Universities [20070561038]
- Initiative Group Research Project [IRT0552]
- Ministry of Education of China
- National High Technology Project [2007AA05Z408]
- National Key RD Program [2007BAD34B01]
- National Basic Key Research Program [2010CB732201]
- Ministry of Science and Technology of China
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The perovskite-type oxide catalyst LaFe1-xCuxO3 (x=0, 0.1, 0.2) was prepared by the sol-gel method, and tested as a catalyst in the wet aerobic oxidation (WAO) of lignin into aromatic aldehydes. The lignin conversion and the yield of each aromatic aldehyde were significantly enhanced in the catalytic process, compared with the non-catalyzed process. Moreover, it was shown that the stability of activity and structure of LaFe1-xCuxO3 (x=0, 0.1, 0.2) remained nearly unchanged after a series of successive recyclings of the catalytic reactions, indicating it was an efficient and recyclable heterogeneous catalyst for the conversion of lignin into aromatic aldehydes in the WAO process.
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