欢迎访问《林产化学与工业》，
林产化学与工业

林产化学与工业 ›› 2002, Vol. 22 ›› Issue (04): 19-22.

• 研究报告 • 上一篇    下一篇

膜反应器中木聚糖的酶水解反应

杨富国1, 方正1, 王炜2, 徐勇2, 余世袁2   

  1. 1. 中南大学, 化学化工学院, 湖南, 长沙, 410083;2. 南京林业大学, 化学工程学院, 江苏, 南京, 210037
  • 收稿日期:2002-03-04 修回日期:1900-01-01 出版日期:2002-12-30 发布日期:2002-12-30

STUDY ON ENZYMATIC HYDROLYSIS OF XYLAN IN MEMBRANE REACTOR

YANG Fu-guo1, FANG Zheng1, WANG Wei2, XU Yong2, YU Shi-yuan2   

  1. 1. College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;2. College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
  • Received:2002-03-04 Revised:1900-01-01 Online:2002-12-30 Published:2002-12-30

PDF (PC)

559

摘要： 以木聚糖为底物、木聚糖酶为催化剂,在木聚糖质量浓度为30.0g/L、操作压力16kPa、进料速度400mL/min、时间12h、pH值5.0、温度为48℃的条件下研究了超滤膜反应器中木聚糖的酶水解反应。结果表明,木聚糖的酶水解总糖得率为60.10%;未水解木聚糖聚合度为10左右,碱溶对聚合度没有影响;未水解木聚糖重新水解,总糖得率为7.50%。

关键词: 膜反应器, 木聚糖酶解, 木聚糖酶

Abstract: Hydrolysis process of xylan by xylanase in membrane reactor was studied under conditions of xylan concentration 30.0 g/L,operating pressure 16 kPa,feed rate 400 mL/min,enzymatic hydrolysis time 12 h,pH value 5.0 and 48℃.Results showed that total sugars yield from enzymatic hydrolysis xylan was 60.10%;degree of polymerization(DP) of unhydrolyzed xylan was about 10,DP was not changed by use of alkaline;total sugars yield from enzymatic hydrolysis of unhydrolyzed xylan was 7.50%.

Key words: membrane reactor, enzymatic hydrolysis of xylan, xylanase

中图分类号: 

版权所有 © 中国林业科学研究院林产化学工业研究所　苏ICP备08107184号-3