加压低温条件下H_2O-H_2O_2-C_3H_8三元体系相平衡研究  

Phase equilibrium of the ternary system H_2O-H_2O_2-C_3H_8 at pressure and low temperature

作　　者：罗鹏[1] 高长虹[1] 曹吉林[1] 

机构地区：[1]河北工业大学化工学院,天津300130

出　　处：《河北工业大学学报》2011年第6期30-33,共4页Journal of Hebei University of Technology

基　　金：国家自然科学基金(20676025);河北省自然科学基金(B2008000033)

摘　　要：为了开发低浓度过氧化氢水溶液的气体水合物浓缩新方法,在加压低温条件下,对H2O-H2O2-C3H8三元体系形成气体水合物的相平衡进行了研究.测定了不同浓度过氧化氢水溶液中添加表面活性剂时形成气体水合物的平衡温度和压力,结果表明气体水合物的平衡压力随着过氧化氢浓度增加而增大、随着温度的升高而升高.此外,还运用Chen-Guo模型对H2O-H2O2-C3H8三元体系形成气体水合物的相平衡压力进行了验算,模型计算值与实验值相吻合.In order to develop a new method of concentrating low concentration H202 solution by gas clathrate, the phase equilibrium of the ternary system H2O-H2O2-C3H8 with gas hydrate formation was carried out at pressure and low temperature. The equilibrium temperature and pressure of gas hydrate formed from different concentration superoxol were determined under condition of adding surfacants. The result showed that the equilibrium pressure was increased with the increase of the H202 concentration and temperature. Furthermore, the equilibrium pressure of gas hydrate formation in the ternary system H2O-H2O2-C3H8 was calculated on the basis of Chen-Guo thermodynamic model. The calculation results were in good accordance with the experimental results.

关 键 词：相平衡 气体水合物 丙烷 过氧化氢 Chen-Guo模型 

分 类 号：O643.12[理学—物理化学]