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Chromatographic detectors in systems of three components

Heslop, M. and Mason, G. and Buffham, B.A. (2005) Chromatographic detectors in systems of three components. Adsorption, 11 (3). pp. 67-72. ISSN 0929-5607

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Abstract

The chromatographic theory for the adsorption in binary systems has been well-established over the years. A binary mixture of known composition flows through a column packed with adsorbent. The system is then disturbed by adding a pulse of one of the pure components, and this causes a composition front to travel through the column. The retention time of this composition front is measured with a detector. This retention time can be related to the isotherm gradients of the two components. The situation is more complicated for a system of three components. In this case there are two composition fronts, and it is not easy to relate the retention times to the three isotherm gradients. In this preliminary investigation, we present a new theory to show how by using another composition detector, it is possible to evaluate the composition retention time for each component. We present some data for the ethane-ethylene-helium-13X zeolite system, and show that a simple detector based on the measurement of viscosity might be suitable.

Item type: Article
ID code: 3795
Keywords: adsorption, chromatography, chemical engineering, Chemical technology, Chemistry, Engineering (General). Civil engineering (General), Chemical Engineering(all), Chemistry(all), Surfaces and Interfaces
Subjects: Technology > Chemical technology
Science > Chemistry
Technology > Engineering (General). Civil engineering (General)
Department: Faculty of Engineering > Chemical and Process Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 04 Jul 2007
    Last modified: 04 Sep 2014 13:02
    URI: http://strathprints.strath.ac.uk/id/eprint/3795

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