Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 23, Issue -, Pages 321-327Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2014.08.036
Keywords
Au/FeOx-TiO2 catalyst; Phthalic anhydride; Liquid phase selective hydrogenation; Phthalide
Funding
- National Natural Science Foundation of China [21106134, 21276230]
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education
- Program for Zhejiang Leading Team of ST Innovation
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Gold catalysts supported on FeOx-TiO2 with various Fe2O3 contents were prepared by deposition-precipitation method and used for phthalic anhydride hydrogenation to phthalide. The effect of Fe2O3 on the physico-chemical property and the performance of Au/TiO2 were investigated. The reaction conditions were optimized. Adding 5 wt.% Fe2O3 on Au/TiO2 could enhance the activity and stability, which was contributed to the increase in the strength of the catalyst structure and the decrease in the loss of gold from catalyst. Using Au/5%FeOx-TiO2, phthalic anhydride conversion and phthalide selectivity reached 95.4% and 94.5%, respectively, at 190 degrees C and 3.0 MPa H-2 for 7 h. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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