【摘要】 本文测定了醋-甲酸-醋酸甲酯三元体系和醋酸-甲酸、醋酸-醋酸甲酯、甲酸-醋酸甲酯三组二元系在760mmHg下的汽液平衡数据。采用Tamir等提出的考虑汽相分子缔合反应及非理想性给予校正的热力学摸型计算汽相逸度系数,液相活度糸数用Wilson方程进行热力学关联。更多还原

【Abstract】 Vapor liquid equilibrium data were determined in an Ellis still at 760 mm Hg for the binary systems acetic acid-formic acid, acetic acid-methyl acetate and formic acid-methyl acetate. A thermodynamic model proposed by Tamir and his coworker for accounting the nonideal behavior and association effect of the vapor phase was used for computing the liquid overall activity coefflcients. These were correleted with Wilson equation and the experimental results were thermodynamically consistent only when the association effects of the two acids were taken into account. The calculated values of the vapor compositions are in rather good agreements with the experimental data.更多还原