木聚糖酶预处理对杨木木片磨浆及纸浆性能的影响  

Effects of Pretreatment of Poplar Chips with Xylanase on Refining Performance and the Pulp Property

作　　者：陈夫山[1,2] 张升友[3,2] 王高升[2] 王松林[1] 

机构地区：[1]青岛科技大学化工学院,山东青岛266042 [2]天津科技大学天津市制浆造纸重点实验室,天津300457 [3]中国制浆造纸研究院,北京100020

出　　处：《中国造纸学报》2010年第1期47-51,共5页Transactions of China Pulp and Paper

基　　金：国家科技支撑项目“速生材高得率浆抄造性能的研究”(2006BAD32B05)资助

摘　　要：研究了木聚糖酶预处理对杨木木片磨浆及纸浆性能的影响,探讨了酶用量对磨浆能耗、纸浆物理性能及纤维形态的影响。结果表明,木聚糖酶预处理能够促进磨浆,降低磨浆能耗,提高纸浆质量。在酶用量为20 IU/g、时间4 h时,磨浆能耗降低12.4%,撕裂指数提高23.5%,抗张指数提高20.6%。Effects of pretreatment of poplar wood chips with xylanase,particular the xylanase dosages on the refining performances,pulp physical properties,and fiber morphology were studied.The results showed that xylanase treatment could promote refining,reduce refining energy consumption and improve pulp quality.When the xylanase dosage was 20 IU/g and the treating time was 4 hours,the energy consumption was saved by 12.4%,the tensile index was increased by 20.6%,and tear index was increased by 23.5%.

关 键 词：木聚糖酶 磨浆 物理性能 纤维形态 扫描电镜 

分 类 号：Q55[生物学—生物化学]