THz wave sensing for petroleum industrial applications |
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Authors: | Fatemah M Al-Douseri Yunqing Chen and X-C Zhang |
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Institution: | (1) Center for THz Research, Rensselaer Polytechnic Institute, 110, 8th Street, Troy, NY 12180, USA;(2) Present address: Kuwait University-Physics Department, P.O. Box: 5969, Safat, 13060, State of Kuwait |
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Abstract: | We present the results of terahertz (THz) sensing of gasoline products. The frequency-dependent absorption coefficients, refractive
indices, and complex dielectric constants of gasoline and xylene isomers were extracted in the spectral range from 0.5–3.0
THz. The THz spectra of gasoline (#87, #89, #93) and related BTEX (benzene, toluene, ethylbenzene, and xylene) compounds were
studied by using Fourier transform infrared spectroscopy (FTIR) in the 1.5–20 THz (50–660 cm−1). The xylene isomers, which are used as antiknock agent in gasoline were determined quantitatively in gasoline in the THz
range. Our investigations show the potential of THz technology for the petroleum industrial applications. |
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Keywords: | THz time-domain spectroscopy Fourier transform spectroscopy BTEX (benzene toluene ethylbenzene and xylenes) gasoline |
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