摘要
超声波对废纸纤维的处理,可以扩大废纸纤维原料的应用领域。综述了超声波处理废纸纤维在提高再生纸的纸页性能、强化生产可发酵糖和乙醇、辅助纤维素纳米纤维的制备,以及提高水泥建材耐久性等方面的应用,分析了超声波功率与频率、超声波作用时间、温度和悬浮固体浓度等超声波处理过程中的影响因素,探讨了超声波处理对纤维素结晶性质、化学结构和化学反应可及性的影响。并对当前超声波处理废纸纤维研究领域存在的问题进行了分析,展望了未来的发展方向。
Ultrasound treatment of waste paper fibers enlarges the applicable fields of this kind of fibrous material.This paper reviewed the applications of ultrasonic treatment of waste paper fibers in improving the properties of recycled paper,intensifying the production of fermentable sugar and ethanol,assisting the preparation of cellulose nanofibers,and enhancing the durability of cement building materials.The influence factors of ultrasonic treatment such as power and frequency of ultrasonic,action time of ultrasonic,temperature and suspended sediment concentration were analyzed,and the influence of ultrasonic treatment on the crystalline property,chemical structure and reaction accessibility of cellulose were summarized.Finally,the existing problems were analyzed and the future research and development direction were prospected.
作者
石爽
胡芳
缪泽超
蔡合田
李得钊
SHI Shuang;HU Fang;MIAO Zechao;CAI Hetian;LI Dezhao(College of Light Industry & Textile Engineering,Qiqihar University,Qiqihar 161006,China)
出处
《林产化学与工业》
EI
CAS
CSCD
北大核心
2019年第3期17-24,共8页
Chemistry and Industry of Forest Products
基金
黑龙江省大学生创新创业训练计划项目(201810232066)
关键词
超声波
废纸纤维
空化
ultrasonic treatment
waste paper fibers
cavitation
