PRESSURE EFFECT AND ITS APPLICATION OF SEPARATION AZEOTROPIC MIXTURE OF ALLYL ALCOHOL AND WATER

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题名:	PRESSURE EFFECT AND ITS APPLICATION OF SEPARATION AZEOTROPIC MIXTURE OF ALLYL ALCOHOL AND WATER
作者:	LEE,LS;HUANG,SH;HUANG,JF
贡献者:	化學工程與材料工程學系
关键词:	VAPOR-LIQUID-EQUILIBRIA
日期:	1995
上传时间:	2010-06-29 17:33:17 (UTC+8)
出版者:	中央大學
摘要:	The formation of azeotrope of allyl alcohol with water causes difficulty in its recovery from aqueous solution. Owing to inadequate experimental data, the proper process to separate allyl alcohol from water might be difficult to determine. In this paper, the phase behavior of this azeotrope is further studied at atmospheric pressure of 100.23 kPa, and at reduced pressures of 42.25 and 9.60 kPa to determine the feasibility of separation by taking the advantage of pressure effect on vapor-liquid equilibrium. The experimental data collected are examined with Herington consistency test, and are fairly well correlated with Wilson, NRTL, and UNIQUAC models. The experiment results show that the azeotropic composition of this mixture is slightly affected by pressure. The theoretical and experimental approaches give fair understanding of allyl alcohol-water thermodynamic behavior, and conclude that the separation of this mixture by a consecutive two-column azeotropic distillation is not practical and even impossible. Other process such as extrative distillation may be an alternative.
關聯:	JOURNAL OF THE CHINESE INSTITUTE OF CHEMICAL ENGINEERS
显示于类别:	[化學工程與材料工程研究所] 期刊論文

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