| 测定高压气体溶解度的装置 |
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| 引用本文： | 华超,徐世民,李鑫钢,马沛生.测定高压气体溶解度的装置[J].天津大学学报(自然科学与工程技术版),2006,39(Z1):25-30. |
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| 作者姓名： | 华超 徐世民 李鑫钢 马沛生 |
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| 作者单位： | 天津大学化工学院，天津大学精馏技术国家工程研究中心，天津大学化工学院，天津大学化工学院 天津 300072 天津大学精馏技术国家工程研究中心，天津 300072，天津 300072，天津 300072 天津大学精馏技术国家工程研究中心，天津 300072，天津 300072 |
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| 基金项目： | Supported by the Fund of China Petrochemical Corporation(X502009). |
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| 摘 要： | 建立了一套测定高压下气体在液体中溶解度的装置,该装置具有以下特点：气液相可充分混合,平衡釜通过底部活塞加压,最高测定压力可达40．0 MPa,液相在体系循环状态下取样可避免物系的二次平衡,体系死体积较小,装置恒温槽的控温精度较高(±0．1℃)．利用此装置测定了温度为298．15 K、303．15 K和压力2．0～12．0 MPa下甲烷在正己烷中的溶解度数据并与文献值相比较,从实验数据的精度和重复性考察了实验装置的可靠性,实验值和文献值的相对误差均小于2．5%,同时根据Kricheveky-Kasarnovsky(K-K)方程提出了一种从高压实验数据回归常压实验数据的方法．
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| 关 键 词： | 气体溶解度 甲烷 天然气汽车 实验装置 |
| 文章编号： | 0493-2137(2006)Suppl-0025-06 |
| 修稿时间： | 2005年12月9日 |
Apparatus of Measuring Gas Solubility Under High Pressure |
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| HUA Chao.Apparatus of Measuring Gas Solubility Under High Pressure[J].Journal of Tianjin University(Science and Technology),2006,39(Z1):25-30. |
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| Authors: | HUA Chao |
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| Abstract: | An experimental apparatus was set up for measuring gas solubility in liquid at high pressure,the characteristics of the apparatus were that the gas-liquid phase was entirely mixed;the pressure of the equili- brium cell was increased by piston;the highest pressure was 40.0 MPa;the second equilibrium of liquid was avoided while the liquid sample was obtained in mobile pipeline;the dead volume of the system was very small, etc.The literature values of methane solubility in hexane at temperatures of 298.15 K,303.15 K and pressures up to 12.0 MPa validated the precision and stability of the apparatus.The total deviation of the system was less than 2.5%.The method of fitting gas solubility at high pressure by Krichevsky-Kasarnovsky(K-K)equation was also proposed and corrected. |
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| Keywords: | gas solubility methane natural gas vehicle experimental apparatus |
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