棉籽壳提取木糖的水解工艺研究

Study on Hydrolytic Technics of Xylose Extraction from Cottonseed Husk

本研究以新疆棉籽壳为原料，通过单因素实验和正交实验对其酸水解工艺进行研究。确定了实验的最佳工艺条件，即：硫酸浓度为2％，水解温度为90℃，固液比为3：105，水解时间为4h。在最佳工艺条件下，木糖产率可达30．55％。在影响因素中，酸浓度对水解工艺的影响最大。

In this study, using Sinkiang cotton seed husk for raw materials, we research its acid hydrolysis technic through the single factor experiments and orthogonal experiments. Experiment to determine the optimum conditions：the concentration of sulfuric acid 2% ,hydrolysis temperature 90 ℃ ,the solid-liquid ratio 3：105 ,hydrolysis time 4 h. In optimum conditions,the xylose yield is up to 30.55%. In these influencing factors,the concentration of acid is the most important.