Abstract
The phase behaviour of the binary mixture of carbon dioxide and the cobalt complex dicarbonyl(η5-cyclopentadienyl)-cobalt, CpCo(CO) 2, has been investigated. This organometallic compound is one of the most effective catalysts of cyclotrimerization reactions of arylisocyanates and alkynes. Vapour-liquid equilibrium (VLE) measurements were undertaken in a static analytical apparatus at 313.15, 323.15 and 363.15 K at pressures up to 15 MPa. p, T isopleths were measured by a synthetic method in a Cailletet apparatus. Nine different compositions ranging from 17.56 to 94.23 mol% of CO2 were measured up to 15 MPa. Modelling with the Peng-Robinson equation of state (PR EOS) gave reasonable results in the correlation of the experimental phase equilibrium compositions using two temperature-dependent interaction parameters.
Original language | English |
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Pages (from-to) | 1-8 |
Number of pages | 8 |
Journal | Journal of Supercritical Fluids |
Volume | 31 |
Issue number | 1 |
DOIs | |
Publication status | Published - 1 Sep 2004 |
Keywords
- CO
- CpCo(CO)
- Organometallic catalyst
- PR EOS
- VLE