Journal
CATALYSIS COMMUNICATIONS
Volume 12, Issue 6, Pages 544-547Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2010.12.002
Keywords
Sorbitol; Isosorbide; Dehydration; Sulfated copper oxide
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Funding
- National Natural Science Foundation of China [20906051]
- Jiangsu Province Fundamental Research Plan [BK2009478]
- Nanjing University of Technology
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Sulfated metal oxides catalysts prepared by calcining hydrated metal sulfates were studied for sorbitol dehydration to isosorbide. The selectivity to isosorbide was obviously affected by the calcination temperature. Sulfated copper oxide calcined at 650 degrees C exhibited the best catalytic performance, 99.7% sorbitol conversion and 67.5% isosorbide selectivity were gained at the reaction temperature of 200 degrees C. Characterizations with N-2 adsorption, XRD, NH3-TPD, UV-vis and FT-IR revealed that calcination temperature influenced the catalytic behaviors dramatically by changing the crystalline structure and surface properties. (C) 2010 Elsevier B.V. All rights reserved.
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