林产化学与工业2012，Vol.32Issue(4)：117-122,6.
微晶纤维素在Fe3+和稀盐酸联合催化下的水解动力学研究
Hydrolysis Kinetics of Microcrystalline Cellulose Catalyzed by Fe3+ and Dilute Hydrochloric Acid
任玲兵 1曹青 1解小玲1
作者信息
- 1. 太原理工大学化学化工学院,山西太原030024
- 折叠
摘要
Abstract
The microcrystalline cellulose was hydrolyzed in the presence of 1 g/L FeCl3 and 2% hydrochloric and the hydrolysis kinetics was investigated in this study. According to the principle of minimum of residue error S between actual yields of glucose and calculated value from the established function, the objective function is selected. The results indicated that the activation energy of the hydrolysis reaction for microcrystalline cellulose and glucose can be significantly reduced due to the presence of H+ and Fe3+. For the hydrolysis reaction of microcrystalline cellulose and glucose, the activation energy is 81.70kJ/mol and 43. 85 kJ/mol, respectively. The hydrolysis constant rate of microcrystalline cellulose is 0. 041 4, 0. 073 2 and 0. 115 3 h-1 at the temperature of 130, 140 and 150℃, respectively. For glucose, it is 0. 205 3 , 0. 242 4 and 0. 356 5 h-1 at the corresponding temperatures.关键词
微晶纤维素/酸水解/Fe3+催化/动力学Key words
microcrystalline cellulose/acid hydrolysis/Fe3+ catalyze/kinetic分类
化学化工引用本文复制引用
任玲兵,曹青,解小玲..微晶纤维素在Fe3+和稀盐酸联合催化下的水解动力学研究[J].林产化学与工业,2012,32(4):117-122,6.
