| 摘要 |
1489022 Desolventizing oilseed material DRAVO CORP 23 Dec 1975 [27 Dec 1974] 52566/75 Heading A2Q An oilseed material is treated with an aqueous solvent comprising an organic solvent to produce an extract solution and spent material containing a residue of the solvent, the spent material being desolventized by direct contact with a stream of superheated vapour which is a mixture of the organic solvent and water having a concentration of organic solvent greater than the organic solvent concentration in the aqueous solvent in the residue. The oilseed material may be deoiled, undenatured "white" soybean flakes. The organic solvent may be methanol. ethanol or isopropanol. |
