Journal
JOURNAL OF BIOBASED MATERIALS AND BIOENERGY
Volume 8, Issue 1, Pages 50-58Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jbmb.2014.1406
Keywords
Xylose; dehydration; Furfural; Photocatalysis; SO42-/TiO2-ZrO2/La3+
Funding
- Guangdong Natural Science Funds for Distinguished Young Scholar [S20120011250]
- Program for New Century Excellent Talents in University [NECT-12-0194]
- Science and Technology Project of Guangdong Province [2011B050400015]
- Fundamental Research Funds for the Central Universities, SCUT [2014ZG0003]
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photocatalytic approach for the conversion of xylose into furfural using SO42-/TiO2-ZrO2/La3+ as a photocatalyst was studied at low temperature ( 120 degrees C) under ultraviolet irradiation (365 nm). The introduce of sulfate ion and lanthanum can enhance the photocatalytic performance of composite metal oxides. 31.6% conversion efficiency and 216.6 mu mol/g furfural yield were achieved when using 1.0 M-SO42-/TiO2-ZrO2/1.0 wt%-La3+ at 120 degrees C for 4 h, which is sharply higher than non-catalytic process and no ultraviolet irradiation process. This means that the cooperation of SO42-/TiO2-ZrO2/La3+ and ultraviolet irradiation could greatly enhance the furfural yield and xylose conversion efficiency. The mechanism of conversion of xylose into furfural using SO42-/TiO2-ZrO2/La3+ under ultraviolet irradiation was proposed. Therefore, this work will encourage subsequent research for the future utilization of renewable carbon sources under mild operational conditions.
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