| 摘要 |
Method for manufacturing paper, cardboard and paperboard by dewatering a paper pulp on a screen in the presence of at least one cationic polymeric retention means and/or retention means system, forming sheets and drying the sheets, wherein prior to the addition of the at least one cationic polymeric retention means and/or retention means system, an endo-ß-1,4-glucanase at an amount of 0.00001 to 0.01 wt.-%, relative to the dry pulp, is dosed into the pulp.
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