The present invention relates to a method for dissolving cellulose. The method comprises - introducing cellulosic raw material, - treating the cellulosic raw material in an enzymatic treatment process, - mixing the cellulosic raw material after the enzymatic treatment in an aqueous solution in order to obtain an aqueous intermediate product containing the cellulosic raw material of at least 3.5 wt.-%, alkali metal hydroxide between 3.5 wt.-% and 7 wt.-% and zinc salt, - freezing the intermediate product to a solid state, and - melting the frozen intermediate product. The present invention also relates to a cellulosic product obtained from a solution comprising dissolved cellulose.
|Patent number||EP2116557 A1|
|Publication status||Published - 11 Nov 2009|
|MoE publication type||Not Eligible|