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| 超临界状态下TNT-RDX-CO_2三元体系固液平衡研究 | |
| 引用本文： | 姬文苏,丁玉奎,张怀智,李金明,李惠明.超临界状态下TNT-RDX-CO_2三元体系固液平衡研究[J].含能材料,2012,20(3):306-309. |
| 作者姓名： | 姬文苏 丁玉奎 张怀智 李金明 李惠明 |
| 作者单位： | 1. 武汉军械士官学校,湖北武汉430075;军械工程学院,河北石家庄050003 2. 军械工程学院,河北石家庄,050003 3. 武汉军械士官学校,湖北武汉,430075 |
| 基金项目： | 总装预研基金项目（9140A05090410Q0401）； 军械工程学院科学研究基金项目（YJJXM10028） |
| 摘 要： | 用紫外分光光度计测定了303.0 K、308.0 K、323.0 K、338.0 K下,10.0～50.0 MPa范围内TNT和RDX混合物在超临界CO2(SC-CO2)流体中的固液平衡数据。分析了压力、温度、RDX和TNT分子间夹带效应(SE)对TNT/RDX/SC-CO2溶解度的影响。结果表明:TNT和RDX在TNT/RDX/SC-CO2三元体系中的溶解度比在TNT/SC-CO2和RDX/SC-CO2中有提高。TNT和RDX的SE值随压力增大先升后降。SE压力转变点,TNT出现在25～28 MPa区间,RD X出现在13～20 MPa区间。 |
| 关 键 词： | 物理化学 溶解度 相平衡 超临界萃取 |
| 收稿时间： | 2011/6/21 0:00:00 |
| 修稿时间： | 2011/10/10 0:00:00 |
Solid-Liquid Equilibrium of TNT/RDX/CO2 Ternary System under Supercritical Conditions |
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| JI Wen-su,DING Yu-kui,ZHANG Huai-zhi,LI Jin-ming and LI Hui-ming.Solid-Liquid Equilibrium of TNT/RDX/CO2 Ternary System under Supercritical Conditions[J].Chinese Journal of Energetic Materials,2012,20(3):306-309. | |
| Authors: | JI Wen-su DING Yu-kui ZHANG Huai-zhi LI Jin-ming and LI Hui-ming |
| Affiliation: | 1(1.Wuhan N.C.O.Academy of P.L.A.,Wuhan 430075,China;2.Ordnance Engineering College,Shijiazhuang 050003,China) |
| Abstract: | The solid-liquid equilibrium data for TNT and RDX in supercritial carbon dioxide (SC-CO2) were measured at 303.0,308.0,323.0 and 338.0 K,and over the pressures range from 10.0 MPa to 50.0 MPa by an ultraviolet-visible (UV-Vis) detector. The effects of pressure,temperature and support effect (SE) between molecules of RDX and TNT on the solubility of TNT/RDX/SC-CO2 system were analyzed. The results show that the solubility of TNT and RDX in ternary system TNT/RDX/SC-CO2 is better than that in binary systems TNT/SC-CO2 and RDX/SC-CO2. The values of SE of TNT and RDX increase first and decrease then with the pressure increasing. The pressure turning point occured over the pressure range from 25 MPa to 28 MPa for TNT and from 13 MPa to 20 MPa for RDX. |
| Keywords: | physical chemistry solubility equilibrium supercritial extraction |
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