| 尿素与丙二醇合成碳酸丙烯酯的中试研究 |
| |
| 引用本文： | 王元,曹广安,宋振久,方云进.尿素与丙二醇合成碳酸丙烯酯的中试研究[J].化肥工业,2014(3):64-66,I0003. |
| |
| 作者姓名： | 王元 曹广安 宋振久 方云进 |
| |
| 作者单位： | [1]江苏晋煤恒盛化工股份有限公司,江苏新沂221400 [2]华东理工大学化学工程联合国家重点实验室,上海200237 |
| |
| 摘 要： | 在小试基础上,对尿素与丙二醇合成碳酸丙烯酯进行了千吨级中试研究。中试试验结果表明,在反应温度120~180℃、反应压力30~60 kPa、反应时间2~4 h、尿素与丙二醇物质的量之比1.0∶1.5、催化剂使用量为1%(质量分数)的条件下,产品碳酸丙烯酯的收率为92%~95%。在反应过程中,催化剂采用过滤的方法回收后可循环使用;反应产物经减压精馏后,产品碳酸丙烯酯的纯度为99.5%(质量分数)以上,各项质量指标均达到了优级品的要求。
|
| 关 键 词： | 尿素 丙二醇 碳酸丙烯酯 中试研究 |
Pilot-Plant Study of Synthesis of Propylene Carbonate by Using Urea and Propylene Glycol |
| |
| Wang Yuan,Cao Guangan,Song Zhenjiu,Fang Yunjin.Pilot-Plant Study of Synthesis of Propylene Carbonate by Using Urea and Propylene Glycol[J].Journal of the Chemical Fertilizer Industry,2014(3):64-66,I0003. |
| |
| Authors: | Wang Yuan Cao Guangan Song Zhenjiu Fang Yunjin |
| |
| Affiliation: | 1. Jiangsu Jinmei Hengsheng Chemical Co., Ltd. Jiangsu Xinyi 221400; 2. State Key LabOratory of Chemical Engineering, East China University of Science and Technology Shanghai 200237) |
| |
| Abstract: | Based on laboratorial scale experiment , a kiloton pilot-plant study is carried out of synthesis of propylene carbonate by using urea and propylene glycol .Pilot-plant study results show that under conditions of reaction temperature 120~180 ℃, reaction pressure 30~60 kPa , reaction time 2~4 h, molar ratio of urea to propylene glycol 1.0∶1.5, and catalyst quantity 1%（mass fraction）, recovery rate of product propylene carbonate is 92% ~95%.In reaction process, the catalyst, recovered by filtration , is reusable;after vacuum rectification of reaction product , the purity of product propylene carbonate is more than 99.5%（mass fraction）, the quality indexes meet the requirements of premium grade . |
| |
| Keywords: | urea propylene glycol propylene carbonate pilot-plant study |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
