Method for the integrated production of cellulose and...

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 37/54 (2006.01) C07C 47/58 (2006.01) D21C 11/00 (2006.01)

Patent

CA 2735396

The present invention relates to an integrated method for producing cellulose and at least one low-molecular-weight reusable material, in which a starting material containing lignocellulose is provided and subjected to a decomposition with a processing medium. A fraction enriched with cellulose and a fraction depleted of cellulose is then isolated from the decomposition material, the depleted fraction of cellulose being subjected to a treatment during which at least one low-molecular-weight reusable material is obtained.

L'invention concerne un procédé intégré pour produire de la cellulose et au moins une matière réutilisable de faible poids moléculaire, consistant à préparer un produit de départ contenant de la lignocellulose et à décomposer ce produit de départ au moyen d'une substance de traitement, à isoler une fraction riche en cellulose et une fraction pauvre en cellulose dans le produit décomposé et à soumettre la fraction pauvre en cellulose à un traitement de manière à obtenir au moins une matière réutilisable de faible poids moléculaire.

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