Method for defibering recycled paper

Details Method for defibering recycled paper Method for defibering recycled paper

D - Textiles, Paper

21

B

D21B 1/32 (2006.01) D21B 1/34 (2006.01)

Patent

CA 2189974

A method for defibering recycled paper into pulp to be reused. In the method, the recy- cled paper is defibered and coarse screened in a pulper comprising a fixed sorter part, whereupon a coarse-screened pulp from which the great- est contaminants have been removed is obtained from the pulper. The pulp received from the pulper is taken directly to LC-cleaning and fine screening.

L'invention concerne un procédé permettant de défibrer du papier recyclé pour le réduire en une pâte à réutiliser. Selon le procédé, le papier recyclé est défibré et épuré grossièrement dans un triturateur comprenant une partie de triage fixe, une pâte grossièrement épurée, pâte dont les substances indésirables les plus importantes ont été enlevées, étant obtenue à la sortie du triturateur. La pâte sortant du triturateur est conduite directement à un dispositif de nettoyage à faible concentration et à un dispositif d'épuration fine.

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