期刊
JOURNAL OF CHEMICAL SCIENCES
卷 126, 期 2, 页码 395-401出版社
INDIAN ACAD SCIENCES
DOI: 10.1007/s12039-014-0582-3
关键词
High-pressure carbon dioxide; high-temperature liquid water; carbonic acid
The effect of pressured carbon dioxide on heterogeneous hydrogenation of benzaldehyde and homogeneous dehydration of sorbitol in water solvent was studied. Initial hydrogenation rates of benzaldehyde over a charcoal-supported palladium catalyst in water at 313 K were enhanced by the addition of carbon dioxide. The initial rate increased with an increase in carbon dioxide pressure and became a maximum at 5 MPa. Dehydration of sorbitol proceeded in water phase at 500 K and initial dehydration rates were enhanced by addition of 30 MPa of carbon dioxide.
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