Method and apparatus for recovering fibres from fibrous...

Details Method and apparatus for recovering fibres from fibrous... Method and apparatus for recovering fibres from fibrous...

D - Textiles, Paper

21

B

9/1, 92/52

D21B 1/08 (2006.01) D21B 1/32 (2006.01)

Patent

CA 1078557

Abstract of the Disclosure A method and an apparatus to recover cellulose fibres from fibrous material by treating it in a rotating drum together with a dissolving liquid, in which drum the material is made to repeatedly impinge on the drum jacket face, whereby the fibrous material is divided into a fine fraction which is drained off through apertures formed in the drum jacket surfaces, and a coarse fraction which is removed through an opening formed in the drum end wall opposite the material supply end of the drum. The method and the apparatus make possible to re-use in an efficient and economical manner unsorted waste paper and returns which may contain plastics, foils and metal objects and other foreign matter which thus remain inside the drum when the liquid together with the desintegrated fibres are drained off, and which may then be conveniently removed from the drum. - 1 -

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