期刊
CHINESE JOURNAL OF CHEMICAL ENGINEERING
卷 24, 期 1, 页码 126-131出版社
CHEMICAL INDUSTRY PRESS CO LTD
DOI: 10.1016/j.cjche.2015.06.006
关键词
Biomass; 1,2-propanediol; Ethyl lactate; CuO; Hydrothermal reactions
资金
- National Natural Science Foundation of China [21277091, 21436007]
- Science and Technology Commission of Shanghai Municipality [14JC1403100]
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning [ZXDF160002]
- SRF for ROCS, SEM [BG1600002]
An efficient conversion of biomass-derived ethyl lactate to 1,2-propanediol (1,2-PDO) over CuO was investigated. Among the catalysts we tested, CuO, Cu2O and Co showed excellent catalytic activity for the conversion of ethyl lactate to 1,2-PDO in water, and CuO was more active and gave the best result. The 1,2-PDO yield of 93.6% was achieved when Zn acted as a reductant. The results indicated that in situ formed hydrogen by the oxidation of Zn in water is more effective than gaseous hydrogen, which failed to produce the 1,2-PDO from ethyl lactate. From a practical point of view, the present method may provide a useful route for the production of 1,2-PDO from ethyl lactate. (C) 2015 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
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