期刊
JOURNAL OF CATALYSIS
卷 274, 期 1, 页码 21-28出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2010.06.004
关键词
Hydrogenation; Benzene; Cyclohexane; Rhodium; TPPTS; Water-soluble; Two-phase system; Aqueous medium
资金
- Greek Ministry of Education
- European Union [75/25]
- Research Committee of the University of Athens [70/4/7568]
Exceptionally, high catalytic activities (TOF > 204,000 h(-1)) have been achieved in the hydrogenation of benzene to cyclohexane catalyzed by water-soluble Rh/TPPTS complexes [TPPTS = P(C6H4-m-SO3Na)(3)] in green aqueous/organic two-phase systems. The influence of several operating parameters on the biphasic benzene hydrogenation reaction was investigated. A great advantage of this reaction is that the highest catalytic activity was achieved at a low volume ratio of aqueous/benzene phase of 0.4. Rh/TPPTS catalytic complexes, which are stable toward sulfur-containing compounds, were easily recovered by a simple phase separation, and recycling experiments showed that the catalytic activity remained high in five consecutive runs. (C) 2010 Elsevier Inc. All rights reserved.
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