Pretreatments of wheat straw with xylanase,laccase/HBT,and cellulase prior to NaOH AQ cooking decrease kappa number and increase brightness of the resultant pulp.

• 利用木聚糖酶、漆酶和纤维素酶在蒸煮前对麦草进行预处理,可降低化学浆的卡伯值,提高未漂浆的白度。