Abstract
A technique is proposed for determining the mass fractions of products of the catalytic ethylbenzene pyrolysis reaction on a capillary column with functionalized poly(1-trimethylsilyl-1-propyne) (PTMSP/N2O). The capillary column with PTMSP/N2O selectively separates methane, ethane, ethylene, and acetylene (light C1–C2 hydrocarbons), along with benzene, toluene, ethylbenzene, and styrene (aromatic hydrocarbons). A procedure is developed to measure the mass fractions of light (C1–C2) and aromatic hydrocarbons in the gas phase. The ranges of analytical measurement are 2.9 × 10−8 to 1.2 × 10−1 mg/mL for light C1–C2 hydrocarbons and 3.5 × 10−11 to 4.0 × 10−3 mg/mL for liquid hydrocarbons. The under conditions of repeatability is 1.9–4.7%.
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ACKNOWLEDGMENTS
We thank Yu. V. Patrushev for preparing our chromatographic capillary column with functionalized poly(1-trimethylsilyl-1-propyne).
Funding
This work was performed as part of a State Task for the Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, project no. 17-117041710081-1.
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Translated by V. Glyanchenko
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Yakovleva, E.Y., ShanShan, Y. & Pai, Z.P. Procedure for Measuring the Mass Fractions of Products of the Catalytic Ethylbenzene Pyrolysis Reaction. Catal. Ind. 11, 295–300 (2019). https://doi.org/10.1134/S207005041904010X
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DOI: https://doi.org/10.1134/S207005041904010X