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Molecules 2009, 14(8), 2747-2757; doi:10.3390/molecules14082747
Article

Wet Aerobic Oxidation of Lignin into Aromatic Aldehydes Catalysed by a Perovskite-type Oxide: LaFe1-xCuxO3 (x=0, 0.1, 0.2)

1, 2 and 1,*
Received: 8 June 2009; in revised form: 7 July 2009 / Accepted: 23 July 2009 / Published: 27 July 2009
(This article belongs to the Special Issue Advances in Heteroaromatic Chemistry)
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Abstract: 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.
Keywords: perovskite-type oxide; LaFe1-xCuxO3; heterogeneous; wet aerobic oxidation; lignin; aromatic aldehydes perovskite-type oxide; LaFe1-xCuxO3; heterogeneous; wet aerobic oxidation; lignin; aromatic aldehydes
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Zhang, J.; Deng, H.; Lin, L. Wet Aerobic Oxidation of Lignin into Aromatic Aldehydes Catalysed by a Perovskite-type Oxide: LaFe1-xCuxO3 (x=0, 0.1, 0.2). Molecules 2009, 14, 2747-2757.

AMA Style

Zhang J, Deng H, Lin L. Wet Aerobic Oxidation of Lignin into Aromatic Aldehydes Catalysed by a Perovskite-type Oxide: LaFe1-xCuxO3 (x=0, 0.1, 0.2). Molecules. 2009; 14(8):2747-2757.

Chicago/Turabian Style

Zhang, Junhua; Deng, Haibo; Lin, Lu. 2009. "Wet Aerobic Oxidation of Lignin into Aromatic Aldehydes Catalysed by a Perovskite-type Oxide: LaFe1-xCuxO3 (x=0, 0.1, 0.2)." Molecules 14, no. 8: 2747-2757.



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