酸式盐催化玉米芯水解制取糠醛的工艺优化  

Optimization of the Process of Furfural Preparation via Catalytic Hydrolysis of Corncob by Acid Salt

作　　者：冯培良 王君[1] 李多松[1] 严丽[1] 

机构地区：[1]安徽理工大学化工学院,安徽淮南232001

出　　处：《新能源进展》2014年第4期260-263,共4页Advances in New and Renewable Energy

基　　金：安徽省教育厅基金重点项目(kj2012A084)

摘　　要：针对工业生产中采用稀硫酸催化玉米芯水解制备糠醛存在催化剂毒性大、腐蚀及污染严重等问题,本研究尝试采用酸式盐催化玉米芯水解制备糠醛。通过单因素试验研究了催化剂种类、反应时间、反应温度对糠醛得率的影响。确定了制取糠醛的最佳工艺条件为硫酸氢钠作催化剂、反应时间90 min、反应温度190℃,此条件下糠醛的得率达39.91%。Aiming at the existing problems such as high toxicity, severe corrosion and pollution of dilute sulfuric acid ascatalyst for furfural preparation in present industry, this study attempted to prepare furfural via hydrolysis of corncob usingacid salt as catalyst. The effects of catalysts type, reaction temperature, reaction time on furfural yield were investigatedthrough single factor experiments. The optimum hydrolysis technology parameters for producing furfural were obtained asfollows： hydrolysis time of 90 min, hydrolysis temperature of 190℃ and sodium hydrogen sulfate as catalyst,. Under thiscondition, the furfural yield reached 39.91%.

关 键 词：酸式盐 玉米芯 糠醛 

分 类 号：TK6[动力工程及工程热物理—生物能] TQ35[化学工程]