Summary
It has been shown that useful fractionations of soyabean and linseed oils can be made, using a selective solvent consisting of 3 to 7 parts of water per 100 parts acetone. Equilibrium diagrams were determined for soybean oil, using 3.5 and 6 parts water per 100 parts acetone, and for linseed, using 5 parts water per 100 parts acetone. Operation of a packed column, 2-in. in diameter, 20 ft. high, showed that consistent H.E.T.S. values were obtained, using the above diagrams, and gave an average H.E.T.S. of 3.1 ft. for 1/4-in. berl saddles and 5.9 ft. for 1/2-in. raschig rings.
The use of the equilibrium diagrams is illustrated by application to a hypothetical separation.
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Issued as Paper No. 190 on the “Uses of Plant Products” and as N.R.C. No. 3627.
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Youngs, C.G., Sallans, H.R. Acetone as a selective solvent for vegetable oils. J Am Oil Chem Soc 32, 397–400 (1955). https://doi.org/10.1007/BF02639695
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DOI: https://doi.org/10.1007/BF02639695