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  PolyCell: New oxidative process for added-value celluloses production Document Adobe PDF 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.