微波预处理小麦秸秆工艺优化研究  

Study on Optimization of Wheat Straw by Microwave Pretreatment

作　　者：丁梁斌[1] DING Liang-bin(Xuzhou Vocational College of Bioengineering,Xuzhou 221006,China)

机构地区：[1]徐州生物工程职业技术学院,江苏徐州221006

出　　处：《安徽化工》2020年第4期43-46,共4页Anhui Chemical Industry

基　　金：徐州生物工程职业技术学院2017年科技计划项目(小麦秸秆糖化预处理工艺条件的响应面法优化;编号:2017KY04)。

摘　　要：目的:探讨微波预处理对小麦秸秆酶解效果的影响.方法:采用正交实验法,以固液比、微波功率、微波加热时间、粉碎度为因素,考查对还原糖浓度的影响.结果:液固比为20:1,物料粉碎度为80目,微波加热时间为4 min,微波加热功率为160 W时,其对应的还原糖浓度为386.61μg/mL.结论:微波预处理方法对小麦秸秆酶解效果有较为显著的影响.Objective:To investigate the effect of microwave pretreatment on enzymatic hydrolysis of wheat straw flour.Methods:The effects of solid-liquid ratio,microwave power,microwave heating time and crushing degree on reducing sugar concentration were investigated by orthogonal test.Results:When the ratio of liquid to solid was 20∶1,the comminution degree was 80 mesh,the microwave heating time was 4 min and the microwave heating power was 160 W,the corresponding reducing sugar concentration was 386.61μg/mL.Conclusion:Microwave pretreatment has significant effect on enzymatic hydrolysis of wheat straw.

关 键 词：微波 小麦秸秆 还原糖 正交实验 

分 类 号：TQ223.122[化学工程—有机化工]