Development of Gas Sensor Array for Methane Reforming Process Monitoring - Publikacja - MOST Wiedzy


Development of Gas Sensor Array for Methane Reforming Process Monitoring


The article presents a new method of monitoring and assessing the course of the dry methane reforming process with the use of a gas sensor array. Nine commercially available TGS chemical gas sensors were used to construct the array (seven metal oxide sensors and two electrochemical ones). Principal Component Regression (PCR) was used as a calibration method. The developed PCR models were used to determine the quantitative parameters of the methane reforming process: Inlet Molar Ratio (IMR) in the range 0.6–1.5, Outlet Molar Ratio (OMR) in the range 0.6–1.0, and Methane Conversion Level (MCL) in the range 80–95%. The tests were performed on model gas mixtures. The mean error in determining the IMR is 0.096 for the range of molar ratios 0.6–1.5. However, in the case of the process range (0.9–1.1), this error is 0.065, which is about 6.5% of the measured value. For the OMR, an average error of 0.008 was obtained (which gives about 0.8% of the measured value), while for the MCL, the average error was 0.8%. Obtained results are very promising. They show that the use of an array of non-selective chemical sensors together with an appropriately selected mathematical model can be used in the monitoring of commonly used industrial processes.


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Opublikowano w:
SENSORS nr 21,
ISSN: 1424-8220
Rok wydania:
Opis bibliograficzny:
Dobrzyniewski D., Szulczyński B., Dymerski T., Gębicki J.: Development of Gas Sensor Array for Methane Reforming Process Monitoring// SENSORS -Vol. 21,iss. 15 (2021), s.4983-
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/s21154983
Źródła finansowania:
  • This research was funded by the Ministry of Science and Higher Education, Poland, through the specific subsidy awarded to the Faculty of Chemistry, Gdańsk University of Technology, grant number 033878.
Politechnika Gdańska

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