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Published on August 24, 2023
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  • PolyCell: New oxidative process for added-value celluloses production Adobe PDF Document The production of dissolving pulp is increasing due to the demand and the need to replace fossil-based resources by natural resources. Nevertheless, the processes currently used to produce this type of pulp require significant modifications or are environmentally restrictive. Among the bioproducts of high added value, microfibrillated cellulose (MFC) also occupies a privileged place. MFCs have many interesting properties (barrier, mechanical reinforcement, binder, plasticizer, absorber of active molecules, etc.). The production of MFC requires a high supply of electrical energy and/or an often expensive and polluting chemical pretreatment (TEMPO).This is in this context, that the PolyCell project proposes to increase the flexibility of paper pulp mills by developing an innovative oxidizing process to produce celluloses of high added value: dissolving pulp and pulp for MFC, in parallel to the production of the conventional bleached kraft pulp.

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Date of update August 24, 2023

French
LGP2 Laboratoire Génie des Procédés Papetiers
Laboratory of Process Engineering for Biorefinery,
Bio-based Materials and Functional Printing

461 rue de la Papeterie - Domaine universitaire - CS 10065
38402 Saint Martin d’Hères Cedex - France
Tél. +33 (0)4 76 82 69 00
 
 
République Française              
Université Grenoble Alpes