Quartz enhanced photoacoustic spectrometer for natural gas composition analysis

Giansergio Menduni; Andrea Zifarelli; Michele di Gioia; Marilena Giglio; Pietro Patimisco; Angelo Sampaolo; Cristoforo Marzocca; Vittorio M.N. Passaro; Vincenzo Spagnolo

doi:10.1117/12.2608868

5 March 2022 Quartz enhanced photoacoustic spectrometer for natural gas composition analysis

Giansergio Menduni, Andrea Zifarelli, Michele di Gioia, Marilena Giglio, Pietro Patimisco, Angelo Sampaolo, Cristoforo Marzocca, Vittorio M.N. Passaro, Vincenzo Spagnolo

Author Affiliations +

Proceedings Volume 12008, Photonic Instrumentation Engineering IX; 120080M (2022) https://doi.org/10.1117/12.2608868
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

In petrochemical industry, downstream operations can be optimized detecting hydrocarbons in the gas phase. Laser-based spectroscopic sensors are well suited for this application, since they proved to be highly selective, sensitive and robust. Quartz enhanced photoacoustic spectroscopy (QEPAS) is an optical technique, offering also a high level of compactness. In this work, a QEPAS sensor implementing a custom T-shaped quartz tuning fork and an interband cascade laser emitting at 3367 nm was employed to detect methane, ethane and propane in natural gas-like mixtures. The partial least square regression analysis was implemented to measure the hydrocarbons concentrations in the acquired signals.

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Citation Download Citation

Giansergio Menduni, Andrea Zifarelli, Michele di Gioia, Marilena Giglio, Pietro Patimisco, Angelo Sampaolo, Cristoforo Marzocca, Vittorio M.N. Passaro, and Vincenzo Spagnolo "Quartz enhanced photoacoustic spectrometer for natural gas composition analysis", Proc. SPIE 12008, Photonic Instrumentation Engineering IX, 120080M (5 March 2022); https://doi.org/10.1117/12.2608868

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