| Issue |
E3S Web Conf.
Volume 44, 2018
10th Conference on Interdisciplinary Problems in Environmental Protection and Engineering EKO-DOK 2018
|
|
|---|---|---|
| Article Number | 00007 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/e3sconf/20184400007 | |
| Published online | 03 July 2018 | |
BTEX compounds identification by means of gas sensors arrays
Wrocław University of Science and Technology, Faculty of Environmental Engineering, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
* Corresponding author: marek.badura@pwr.edu.pl
BTEX compounds can cause a threat to environment and human health. For this reason measurement devices are needed for rapid identification of such pollutants. The paper presents the results of recognition of mixtures of benzene, toluene, ethylbenzene and xylenes in humid air by means of two gas sensor arrays and linear discriminant analysis. Measurements were conducted during stabilization/solidification processes of contaminated soils. High classification ratios were obtained for both arrays (I: 88%–94%; II: 94%–96%). Improvement of identification was achieved when two copies of every sensor were included in analysis – classification rates reached 97.1–100%.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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