Purification of low-paraffinous oil fractions using the two-phase extracting system ionic liquid + supercritical carbon dioxide
2013
Use of the two-phase extracting system ionic liquid (IL)—supercritical CO2 for selective purification of medium-viscosity oil fractions from a mixture of low-paraffinous Azerbaijan crude oils results in a three- to sixfold reduction of selective solvent (IL) consumption. The use of such a two-phase system allows one to decrease the temperature (from 80 to 31°C) and the duration of the process.
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