Recovery of fibers from a fiber processing waste sludge

Details Recovery of fibers from a fiber processing waste sludge Recovery of fibers from a fiber processing waste sludge

D - Textiles, Paper

21

B

D21B 1/36 (2006.01) D21B 1/32 (2006.01) D21C 5/02 (2006.01)

Patent

CA 2292469

A process of recovering a useful population of fibers and fines from the waste stream of fiber processing facility is disclosed. Steam explosion of the fiber-containing waste stream is used to increase the separation efficiency of the fibers from the ash. The steam explosion also enhances the quality of the recovered fibers and fines, providing a population of recovered fibers which can be incorporated into the fiber component of a tissue or absorbent paper product.

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