Journal
INTERNATIONAL JOURNAL OF THERMOPHYSICS
Volume 31, Issue 2, Pages 308-315Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10765-010-0718-8
Keywords
CO2 Capture; Diisopropyl ether; DME absorption separating; Vapor-liquid equilibria
Funding
- National Natural Science Foundation of China [50890184]
- National High Technology Research and Development Program of China [2008AA062301-04]
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Vapor-liquid equilibrium (VLE) data have been measured with a static-type VLE apparatus for the dimethyl ether (DME)-diisopropyl ether (DIPE) binary system at five temperatures within the range from 293.04 K to 352.70 K. An isothermal correlation for the experimental data has been carried out based on the Peng-Robinson equation of state. The regressed binary interaction parameters were used to estimate VLE for the DME-CO2-DIPE ternary system at 298.15 K. From the study, it is demonstrated that DIPE is an excellent absorbent for separation in the DME synthesis process from syngas.
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