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US 2018/0163344 A1Published application
Method for reducing pulp viscosity in production of dissolving pulp
AssigneeKemira Oyj
InventorsLeif Robertsen, Veli-Matti Vuorenpalo, Jonas Konn, Kaisa Kaski
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Abstract
The invention relates to a method for reducing pulp viscosity in production of dissolving pulp. The method comprises producing cellulose pulp, whereby the obtained cellulose pulp has a cellulose content of at least 90%, and bleaching the obtained cellulose pulp. The cellulose pulp is treated after bleaching with performic acid.
Claims15
A method for reducing pulp viscosity in production of dissolving pulp, the method comprising
- producing cellulose pulp, whereby the obtained cellulose pulp has a cellulose content of at least 90%,
- bleaching the obtained cellulose pulp,
- wherein
- the cellulose pulp after bleaching is treated with performic acid.
1 more element
Dependencies are inferred from the claim text.