Biobleaching and following ECF,TCF bleachings with compound xylanase and pure xylanase separately of triploid Chinese poplar KP were studied to compare the improved bleachability.

• 用复合木聚糖酶和纯木聚糖酶分别对三倍体毛白杨KP浆进行了单段预处理及后续ECF、TCF漂白,对比研究两种木聚糖酶对三倍体毛白杨KP浆的可漂性改善效果和白度提高程度。