The use of gas chromatography in determining the sorption capacity of the adsorbent

Authors

DOI:

https://doi.org/10.15587/1729-4061.2017.93460

Keywords:

gas chromatography, adsorption isotherm, adsorption capacity, adsorbent, aromatic/aromatic compound/AC

Abstract

The study specifies the characteristics of adsorbents for their subsequent use in adsorbers that are intended to trap aromatics from the juice vapour at the temperature and vacuum concentration of juices and extracts of plant materials. The paper presents our findings on the specific sorption capacities for aromatics of activated carbon BAC-A and porous polymers, such as polisorb-1, polisorb-10 and GC tenax. The experimental studies employed the dynamic method of gas chromatography with the use of the flame ionization detector. The trace curve of the adsorbate substance in the chromatogram allowed plotting adsorption isotherms and, consequently, calculating the specific capacities of adsorbents for camphor and isoamylol, as well as revealing that polysorb-1 is selective to isoamylol, whereas tenax and BAC-A – to camphor.

The experiment findings have proved the applicability of this method for different adsorbents intended for adsorption of substances in the gas phase. The obtained data on the sorption capacities of the selected adsorbents are essential to calculate adsorption systems for trapping aromatics during the concentration of juices and extracts.

Author Biographies

Ksenia Naumenko, National University of Food Technologies Vladimirska str., 68, Kyiv, Ukraine, 01601

PhD

Department of food еxpertise 

Natalia Frolova, National University of Food Technologies Vladimirska str., 68, Kyiv, Ukraine, 01601

PhD, Associate Professor

Department of Technology health products

Oksana Petrusha, National University of Food Technology Vladimirska str., 68, Kyiv, Ukraine, 01601

PhD

Department of Foodstuff Expertise

Natalia Chepel, National University of Food Technologies Vladimirska str., 68, Kyiv, Ukraine, 01601

PhD, Associate Professor

Department of Technology of milk and dairy products

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Published

2017-02-28

How to Cite

Naumenko, K., Frolova, N., Petrusha, O., & Chepel, N. (2017). The use of gas chromatography in determining the sorption capacity of the adsorbent. Eastern-European Journal of Enterprise Technologies, 1(10 (85), 70–74. https://doi.org/10.15587/1729-4061.2017.93460

Issue

Vol. 1 No. 10 (85) (2017): Ecology. Technology and Equipment of Food Production

Section

Technology and Equipment of Food Production

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Copyright (c) 2017 Ksenia Naumenko, Natalia Frolova, Oksana Petrusha, Natalia Chepel

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