Effect of temperature on specific retention volumes of selected volatile organic compounds using the gas - liquid chromatographic technique revisited

Edison Muzenda, Ayo S. Afolabi

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Abstract

This paper is a continuation of our interest in the influence of temperature on specific retention volumes and the resulting infinite dilution activity coefficients. This has a direct effect in the design of absorption and stripping columns for the abatement of volatile organic compounds. The interaction of 13 volatile organic compounds (VOCs) with polydimethylsiloxane (PDMS) at varying temperatures was studied by gas liquid chromatography (GLC). Infinite dilution activity coefficients and specific retention volumes obtained in this study were found to be in agreement with those obtained from static headspace and group contribution methods by the authors as well as literature values for similar systems. Temperature variation also allows for transport calculations for different seasons. The results of this work confirm that PDMS is well suited for the scrubbing of VOCs from waste gas streams. Plots of specific retention volumes against temperature gave linear van't Hoff plots.

Original languageEnglish
Pages (from-to)729-733
Number of pages5
JournalWorld Academy of Science, Engineering and Technology
Volume70
Publication statusPublished - 2010

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Volatile organic compounds
Activity coefficients
Liquids
Polydimethylsiloxane
Gases
Dilution
Temperature
Liquid chromatography
Gas chromatography

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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