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A continuous flow apparatus for measuring the phase equilibria of liquids in CO 2 is presented. Phase equilibrium measurements have been made on the ternary system CO 2 –EtOH–H 2 O at 313K and pressures of 100–300bar, and comparisons have been made with literature data where possible. Ethanol partition coefficients, selectivities and loadings for the CO 2 –EtOH–H ...
Effects of particle size, temperature, contact time, solvent-to-sage ratio and the ethanol–water ratio on the extraction of the active compounds rosmarinic acid, carnosic compounds and essential oil from dried sage (Salvia officinalis) were studied. Optimal extraction conditions giving highest yield of all three active compounds were particle diameter 1mm, extraction temperature 40°C, solvent-to-sage...
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