|
|||||
|
|
| 超声波协同WO_3/ZrO_2固体酸水解蔗渣工艺的优化 | |
| 引用本文： | 余先纯,李湘苏,龚铮午.超声波协同WO_3/ZrO_2固体酸水解蔗渣工艺的优化[J].安徽农业科学,2010,38(18):9776-9778. |
| 作者姓名： | 余先纯 李湘苏 龚铮午 |
| 作者单位： | 1. 岳阳职业技术学院基础部,湖南岳阳,414000;中南林业科技大学材料科学与工程学院,湖南长沙,410001 2. 南华大学教务科,湖南衡阳,421002 3. 中南林业科技大学材料科学与工程学院,湖南长沙,410001 |
| 基金项目： | 湖南省教育厅科技项目 |
| 摘 要： | 目的]采用超声波预处理协同固体酸水解蔗渣制备还原糖。方法]探讨了超声波预处理后水解温度、固体酸用量、水解时间、液固比对水解液中还原糖得率的影响。采用响应面法建立二次回归模型,并对水解工艺进行优化。结果]当水解温度97.52℃、固体酸用量5.76%、反应时间3.10 h、液固比18∶1时,还原糖的得率可达75.65%,比在相同工艺条件下未经超声波处理的得率提高了21.91%。结论]超声波预处理能够促进蔗渣的水解。 |
| 关 键 词： | 蔗渣水解 超声波预处理 固体酸 响应面法分析 |
Optimal Process of Bagasse Synergistic Hydrolysis with Ultrasonic and WO3/ZrO2 Solid Acid |
|
| YU Xian-chun et al.Optimal Process of Bagasse Synergistic Hydrolysis with Ultrasonic and WO3/ZrO2 Solid Acid[J].Journal of Anhui Agricultural Sciences,2010,38(18):9776-9778. | |
| Authors: | YU Xian-chun |
| Institution: | YU Xian-chun et al(Basis Department,Yue Yang Vocational & Technical College,Yueyang,Hunan 414000) |
| Abstract: | Objective] The aim was to study bagasse hydrolyzed with ultrasonic pretreatment and WO3/ZrO2 solid acid to prepare reducing sugar.Method] The effects of hydrolysis temperature,quality of solid acid,hydrolysis time,and liquid-solid mass ratios on the reducing sugar yield in the hydrolyzate were discussed.A quadratic regression model was founded with response surface methodology,and the process was optimized.Result] The result showed that the reducing sugar yield was 75.65%,the hydrolysis temperature was 9... |
| Keywords: | Bagasse hydrolysis Ultrasonic pretreatment Solid acid RSM analyse |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |