期刊
RSC ADVANCES
卷 3, 期 17, 页码 5789-5793出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra40391b
关键词
-
资金
- Natural Science Foundation of China [31100430]
- Open Foundation from State Key Laboratory of Pulp and Paper Engineering of South China University of Technology [201120]
A novel approach has been developed in order to use lignin as a renewable resource for the production of a high added-value aromatic aldehyde. The concept is based on the use of an ionic liquid as a reversible medium coupled with the separation process, which prevents the aromatic aldehyde products from oxidizing and increases their yields. The conversion of lignin reached 100%, and the total yield of the aromatic aldehydes (vanillin, syringaldehyde and p-hydroxybenzaldehyde) was 29.7% in the coupled process. In addition, the mixture of product and IL phase was easily separated, and the IL phase demonstrated good reusability. Hence, a clean and environmentally friendly strategy for overall utilization of lignin and preparation of an aromatic aldehyde is developed.
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