VAPOR-LIQUID EQUILIBRIA UNDER ELEVATED PRESSURES:PRESSURE EFFECT ON THE AZEOTROPIC MIXTURE OF ETHYLENE DIAMINE-WATER

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概要

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• Ethylene diamine-water system is known to form a maximum boiling mixture with 2O to 25 per cent by weight of water at 118.5°C8) or 118.7°C4) under atmospheric pressure. In this paper experimentally determined results for the vapor-liquid equilibrium relations under various pressures are presented and the pressure effect on azeotropism is discussed. From the results disappearance of the azeotrope was clearly shown under slightly pressurised conditions above 1.77 atm. absolute and the degree of variation in relative volatility with composition decreased with increase in pressure. Possibility of separating the mixture into its components without adding a third component was also shown from the resultant vapor-liquid equilibrium relations.

• 公益社団法人 化学工学会の論文

著者

• NAGAHAMA KUNIO

  Institute of Technology, Tokyo Metropolitan University

• HIRATA MITSUHO

  Institute of Technology, Tokyo Metropolitan University

• SUDA SEIJIRO

  Institute of Technology, Tokyo Metropolitan University

• HAKUTA TOSHIKATSU

  Institute of Technology, Tokyo Metropolitan University

関連論文

• VAPOR-LIQUID EQUILIBRIA UNDER ELEVATED PRESSURES:PRESSURE EFFECT ON THE AZEOTROPIC MIXTURE OF ETHYLENE DIAMINE-WATER

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