Process and apparatus for solvent scouring of raw wool

摘要

1,130,218. Recovering scouring solvents. W. & J. WHITEHEAD (LAISTERDYKE) Ltd. and C. O. M. STEWARD. 8 Aug., 1967 [11 May, l966], No. 20768/66. Heading D1L. In apparatus for scouring wool with a volatile solvent that is recovered by distillation a proportion of aqueous alcohol is added to the dirty solvent and the mixture is passed through centrifugal separators to remove dirt, before it is separated and the solvent and alcohol recovered for re use.