期刊
BIORESOURCE TECHNOLOGY
卷 102, 期 24, 页码 11254-11257出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.09.101
关键词
Selective photocatalysis; Biomass transformation; Water purification; Titania; Platform molecules
资金
- European Commission
- European Community
Glucose was oxidized in the presence of powdered TiO2 photocatalysts synthesized by an ultrasound-promoted sol-gel method. The catalysts were more selective towards glucaric acid, gluconic acid and arabitol (total selectivity approx. 70%) than the most popular photocatalyst, Degussa P-25. The photocatalytic systems worked at mild reaction conditions: 30 degrees C, atmospheric pressure and very short reaction time (e.g. 5 min). Such relatively good selectivity towards high-valued molecules are attributed to the physico-chemical properties (e.g. high specific surface area, nanostructured anatase phase, and visible light absorption) of novel TiO2 materials and the reaction conditions. The TiO2 photocatalysts have potential for water purification and energy production and for use in the pharmaceutical, food, perfume and fuel industries. (C) 2011 Elsevier Ltd. All rights reserved.
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