| 氧化铁催化尿素醇解制备碳酸二甲酯反应工艺的研究 |
| |
| 引用本文： | 肖雪,郑秀君,闫鹏.氧化铁催化尿素醇解制备碳酸二甲酯反应工艺的研究[J].黑龙江工程学院学报,2011(3):41-44. |
| |
| 作者姓名： | 肖雪 郑秀君 闫鹏 |
| |
| 作者单位： | 黑龙江工程学院材料与化学工程系;东北石油大学华瑞学院化学工程系; |
| |
| 基金项目： | 黑龙江省自然科学基金面上项目(B200814) |
| |
| 摘 要： | 通过固体研磨法、溶胶一凝胶法、沉淀法和铁盐强迫水解法制备得到4种氧化铁催化剂,并对其进行尿素与甲醇反应制碳酸二甲酯(DMC)活性测定。结果表明,沉淀法制备的氧化铁催化剂的催化效果更好,并得出合成碳酸二甲酯反应的最佳工艺条件为:n(甲醇):n(尿素)=65,每68mL甲醇催化剂用量0.1g,反应温度180℃,反应时间7h。探讨由纳米氧化铁催化尿素醇解法合成DMC的反应机理,是由具有Lewis酸性的氧化铁共同活化甲醇和尿素的结果。
|
| 关 键 词： | 尿素 甲醇 碳酸二甲酯 氧化铁催化剂 |
Preparation process of iron oxide catalyst for synthesis of DMC by alcoholysis of urea |
| |
| XIAO Xue,ZHENG Xiu-jun,YAN Peng.Preparation process of iron oxide catalyst for synthesis of DMC by alcoholysis of urea[J].Journal of Heilongjiang Institute of Technology,2011(3):41-44. |
| |
| Authors: | XIAO Xue ZHENG Xiu-jun YAN Peng |
| |
| Affiliation: | XIAO Xue1,ZHENG Xiu-jun2,YAN Peng1(1.Department of Materials and Chemical Engineering,Heilongjiang Institute of Technology,Harbin 150050,China,2.Department of Chemical Engineering,Hua Rui College,Northeast Petroleum University,Harbin 150028,China) |
| |
| Abstract: | Activity of four iron oxide catalysts,prepared by solid grinding method,sol-gel method,precipitation method and molysite forced hydrolysis method,respectively,for synthesis of dimethyl carbonate(DMC) through alcoholysis of urea,was investigated.The experimental results showed that iron oxide catalyst prepared by precipitation method had better catalytic activity.And the optimal preparation conditions on synthesis of dimethyl carbonate by urea and methanol were as follows: the molar ratio of methanol/urea wa... |
| |
| Keywords: | urea methanol dimethyl carbonate iron oxide catalyst |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
