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Abstract

A process and an apparatus are described for separating at least 50% by weight of oleaginous preparation media from elastane fibers which contain preparations, with respect to 100% by weight of the initial content of preparation media in the elastane starting material, wherein a mixture of elastane fibers of different titres is used as chopped fiber, wherein fibers with a titre of 11 to 10,000 dtex or more are used as a starting material, which chopped elastane fibers are mixed with water in a mixing vessel in a bath ratio of water to chopped elastane fibers of at least 5/1, wherein mixing is effected using mixing devices (3) with a speed of rotation of at least 1500 rpm, treatment is carried out at room temperature or at an elevated temperature, particularly up to 90.degree. C., a treatment duration of 10 to 60 minutes is maintained, and the aqueous bat which contains preparation media is subsequently separated from the fiber material.

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First Claim