JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Separation Engineering
Performance of an Internally Heat-Integrated Distillation Column (HIDiC) in Separation of Ternary Mixtures
Koichi IwakabeMasaru NakaiwaKejin HuangToshinari NakanishiAudun RøsjordeTakao OhmoriAkira EndoTakuji Yamamoto
Author information
JOURNALS RESTRICTED ACCESS

2006 Volume 39 Issue 4 Pages 417-425

Details
Abstract

This paper reports on the performance of an internally Heat-Integrated Distillation Column (HIDiC) in separation of ternary mixtures. Separation of two ternary mixtures, benzene–toluene–p-xylene and n-pentane–cyclopentane–2-methylpentane, are studied to determine the effect of the span of boiling points on the performance and the energy savings of the HIDiC. For the former mixture, the HIDiC consumes about 30% less energy than a conventional distillation column, while for the latter mixture, even a higher degree of about 50% reduction of energy consumption is achieved. Although the efficiency of the HIDiC depends heavily upon the mixtures to be separated, it has been found that the HIDiC can be a very efficient alternative for the separation of ternary mixtures provided the span of boiling points is narrow enough to allow feasible application of heat pump techniques. The internal heat integration design and system performance were also evaluated by sensitivity analysis.

Information related to the author
© 2006 The Society of Chemical Engineers, Japan
Previous article Next article
feedback
Top